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Thread: DIY eGPU experiences [version 2.0]

      
   
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    Kopi Lowak cafe nando4's Avatar
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    DIY eGPU experiences [version 2.0]

    Began Aug-2009 at notebookreview (NBR). At 2.8million hits on 10-Sep-2012 was banned by Lenovo advocate ZaZ over HP comments -> moved to T|I. NBR, a eGPU saboteur, ignore DMCA/copyright takedowns. Pls consider ceasing eGPU/all discussion at NBR as protest.

    THIS PAGE IS A RUNNING SUMMARY OF THIS LONG THREAD. >> SEARCH << this thread.
    experiences [2.0]

    N
    E
    W
    S

    (07-29-2014) i5-4258U 2.4 +GTX780@32Gbps-TB2-SLI impl
    (07-11-2014) i7-2720QM 2.2 +GTX670@x1.2Opt impl (EC)
    (07-06-2014) US$200 AKiTiO Thunder2 PCIe Box
    (07-05-2014) [Performance] Desktop vs eGPU - GTX770 + R9 270x
    (07-01-2014) i7-4702MQ 2.2 + Quadro K2000 @x1.2Opt impl (EC)
    (06-30-2014) T9600 2.8 +GTX550Ti@x1 impl
    (06-28-2014) i5-2450M 2.5 +GTX670@x1.2Opt impl (mPCIe)
    (06-25-2014) i7-4700HQ@2.6 +GTX680@10Gbps-TB1 impl
    (06-24-2014) P8600@3.33 +GTX770/R9-280X@x2/x1 impl
    (06-12-2014) i7-4800MQ 2.7 +GTX770/R9-280X impl (EC)
    (06-05-2014) US$68 ThunderboltEX II PCIe-eGPU adapter mod
    (05-20-2014) i7-640M 2.8 +GTX660Ti@x1.Opt impl (mPCIe)
    Important Notices

    11-6-2013: Recommend purchase a GTX660 or GTX560Ti over a GTX750/GTX650 series if PCI space is tight. The GTX750/GTX650-series has the unusual requirement of 256MB+32MB of PCI space making them more difficult to accomodate. This differs to the other NVidia cards that require 128MB+32MB+16MB. I've had over three DIY eGPU users resorting to a DSDT override in order to accomodate a GTX750/GTX650.

    Project saboteurs who interposed themselves in this community-driven project, halting the creative opportunities that pluggable, affordable eGPU graphics/processing provides.

    Spoiler















































    GETTING STARTED >>>
     
    IntroductionA brief introduction with the story of the solution.

    Pros and Cons

    A summary of the pros and cons of a DIY eGPU

    Pre purchase FAQ

    Answers to questions before you commit

    First steps
    Parts/software/info for a successful installation

    Performance: AMD versus NVIDIA benchmark results

    Compares AMD and NVIDIA perf on the same sys

    Performance: Scaling Analysis

    Compare performance over x1, x1E, x1.Opt, x2, x2E links

    Implementations: Examples and Leaderboard
    PC and Macbook eGPU implementations by users

    Implementations: older Macbook

    Implementations on older core2duo Macs

    Implementations: CUDA/OpenCL

    Implementations using the GPU for applications+computation

    Implementations: non-video

    Non-video implementations: soundcards atm

    Non English eGPU forums

    eGPU forums in non-English speaking locales

    Archived news

    Misc other articles





    INTRODUCTION >>>

    This thread serves as a roadmap for those who wish to attach an external Graphics Processing Unit (eGPU) to a notebook/laptop computer. Connection may be achieved through an ExpressCard, mPCIe slot, or Thunderbolt port.This thread is a place for users to share installation and performance details for others to duplicate or reference.

    * SimoxTav's Video game benchmarking* Graw/TWE/MafiaII12" Len.X201t+HD5770* StarcraftII13"_Dell_M1330+GTX460* Star Trek Online15"_Macbook Pro+GT240
    Gaming videos running on an eGPU implementationUS$70 PE4L-EC2C (expresscard) or PE4L-PM3N (mPCIe) products$91 PE4H-EC2C (expresscard) or PE4H-PM3N (mPCIe) productsHP 2560P GTX560Ti @x1.2Opt DIY eGPU impl playing NFS Shift on the internal LCDSony VPC-Z11 running 3 displays: 1 via onboard graphics, 2 via eGPUHP 2510P: [mPCIe] Swap wifi card via underside covers
    Note: For those running Windows 7, you can install the eGPU without rebooting your system. Simply and the turn the system to standby system and attach the PE4L. Your system will return to its desktop presets once it detects the PE4L. You will immediately see a significant upgrade in the performance.

    For example. a Inspiron 1440 using the x1E tweak saw 3dmark06 go from 866 to 9551. RE5 benchmark went from an unplayable 4.1FPS to a very playabe 60.9FPS. The HP 2560P's x1.2Opt link saw 3dmark06 increase over 4 times to 18340 and RE5 gave an average of 148.3FPS(!!), even allowing the internal LCD to be driven by the eGPU.


    PROS AND CONS >>>

    Pros

    • Inexpensive: US$92-shipped PE4L with HD5770+120W=$200, GTS450+120W=$160, GTX460-1GB+430W=$210, GT430+72W=$130, HD5670+72W=$140. Add $66 for a x2 capable kit using a PE4H.

    • can be used on any system with an accessible expresscard OR mPCIe slot

    • has inexpensive eGPU  enclosure examples if you want an enclosure

    • 10 times or more increase in video performance

    • can have Internal LCD-only setup: NVIDIA Optimus or Ultramon/Chung-Gun method.

    • provides additional HDMI video+audio, s-video and VGA out

    • provides dual-link DVI connection for 2560x1600 LCDs

    • allows multi-monitor connectivity:
      • AMD Eyefinity to provide up to 3 LCDs attached to any HD54xx or better card.

      • Drive up to 6 LCDs to using a HD7xxx or better card supporting Eyefinity 2.0

      • AMD FirePro 2450, 2450x1, and 2460 to drive up to 4 monitors from a low power card

      • NVIDIA Surround can connect up to 4 simultaneous LCDs.


    • easy, on-demand attachment without a reboot if running Win7

    • can be reused after a system upgrade, or shared amongst multiple systems

    • see an extra 30-60% in performance when attached to an expresscard 2.0 system, or do a x2 1.0 setup

    • provides an additional USB port when connected to expresscard slot

    • Time-share your desktop video card b/w your desktop and notebook system.

    • perform CUDA/OpenCL processing for applications that support it like Adobe CS5/Premiere [NVIDIA graphics only]

    • ability to use physX/hybrid physX & game detail

    • components can become a stepping stone to a full deskop system if want higher performance


    Cons


    • requires a 12V PSU to drive the desktop eGPU

    • requires an external LCD/CRT/TV to connect to display at highest FPS  

    • may require booting DIY eGPU Setup 1.x from a disk image or USB stick to overcome error 12 issues

    • restricted bandwidth: a x1/x2/x4 link represents 1/16, 1/8 or 1/4 the bandwidth of a x16 slot.

    PRE PURCHASE FAQ >>>

    1. How does a DIY eGPU differ from a Villagetronic ViDock?

    Spoiler



    2. How can I check if my notebook is compatible with an eGPU?

    Spoiler



    3. I don't have an ExpressCard slot. Can I still do use a eGPU?

    Spoiler



    4. Can I make this work using just my notebook's LCD display?

    Spoiler



    5. (Performance) What affects the performance of a eGPU?

    Spoiler



    6. (Performance) Can my system do a PE4H x2 or x4 link as shown in PCIe Scaling Analysis?

    Spoiler



    7. (Performance) What recommended candidate notebooks should I buy for best performance?

    Spoiler



    8. (Performance) Can I do a SLI/Crossfire implementation combining mPCIe+mPCIe or EC+mPCIe ports?

    Spoiler



    9. (Performance) How could manufacturers make eGPU x2 2.0 notebooks?

    Spoiler



    10. My system has switchable graphics. Can I still do install a DIY eGPU?

    Spoiler



    11. My Villagetronic ViDock product isn't working. Can you help?

    Spoiler



    12. Can I solder my own adapter to host an eGPU instead of buying one from BPlus, Redtrontech, Villagetronic?

    Spoiler



    13. What do I need to run the fastest x1.2Opt link shown in the implementations?

    Spoiler



    14. I have no expresscard slot. Can I use my wifi mPCIe slot to host the eGPU and still have internal wifi?

    Spoiler



    FIRST STEPS >>>

    See Techradar's How to make an external laptop graphics adaptor article for an overview.

    1. What parts do I need and where can I buy them?

    Spoiler



    2. Which video card do you recommend for best performance on my system?

    This will be determined by your chipset, if additional ports available for x2 linkage and whether you have Intel 4500MHD, HD, HD3000 or HD4000 graphics. The matrix below makes recommendations based on the system chipset with:

    -LIME recommend NVIDIA Fermi/Keplar (GT430 or better) solution for best performance

    -RED recommend AMD HD5750 or better solution for best performance

    -CYAN choose based on preferred performance bias: DX9 (AMD HD5750 or better) or DX10/DX11 (NVIDIA Fermi/Keplar). Though specifically for x1 1.0 I recommend a system upgrade to a better performing candidate as users find uneven & choppy performance. Thunderbolt users may still elect NVidia Optimus solution (if have an iGPU) as then can then render the image to the internal LCD. Refer to Performance: AMD versus NVIDIA benchmark results to help you decide. If not sure then suggest a NVIDIA Fermi/Keplar solution which on balance gives better overall performance and has the option of x1.Opt with the right notebook. Note: if the NVIDIA x1.Opt driver was unlocked to allow primary video cards other than Intel 4500MHD/HD/HD3000/HD4000 plus it engaged with x2 links then I would recommend only NVIDIA solutions.


















































































































































    I/O Chipset


     


    PCIe 1.0 (2.5GT/s) lanes


     


    PCIe 2.0 (5GT/s) lanes


     


    PCIe 3.0 (~10GT/s) lanes


    x1

    x1E

    x1.Opt

    x2/x4

    x2E

    x2.Opt

    x1

    x1.2Opt

    x2/x4 (TB)

    x1

    x1.3Opt

    x2/x4 (TB)

    AMD RS*

    Y1

    N

    N

    ?

    N

    N

    N

    N

    N

    N

    N

    N

    NVIDIA MCP*

    Y1

    N

    N

    ?

    N

    N

    N

    N

    N

    N

    N

    N

    Intel ICH7M

    Y

    Y3

    N

    Y5

    Y4

    N

    N

    N

    N

    N

    N

    N

    Intel ICH8M

    Y

    Y3

    N

    Y5

    Y4

    N

    N

    N

    N

    N

    N

    N

    Intel ICH9M

    Y

    Y3

    Y2

    Y5

    Y4

    N2

    N

    N

    N

    N

    N

    N

    Intel Series-5(1st-gen i-core)

    Y

    N

    Y2

    Y5

    N

    N2

    N

    N

    N

    N

    N

    N

    Intel Series-6(2nd-gen i-core)

    Y

    N

    Y2

    N6

    N

    N26

    Y

    Y2

    Y6

    N

    N

    N

    Intel Series-7(3rd-gen i-core)

    Y

    N

    Y2

    N6

    N

    N26

    Y

    Y2

    Y6

    N7

    N7

    Y6
    Left-to-right: slowest-to-fastest with NVIDIA x1.Opt and x2 delivering similiar performance

    1 provides full duplex performance equivalent to x1E on Intel chipsets.
    2 Optimus tweak engages only when Intel 4500MHD/HD/HD3000/HD4000 primary graphics AND x1 link is detected, improving mostly DX9 performance by 20-333% with some DX10 improvements as well. Provides ability for the internal LCD to render games running on the external GPU.
    3 x1E tweak uses a x2 link on port1, 3 or 5 with a single lane for 15-30% more perf (AMD/non-Fermi|Keplar NVIDIA only).
    4 x2E tweak use two lanes of a x4 link, [port1+2] as EC+mPCIe or mPCIe+mPCIe for 30-60% more perf (AMD/non-Fermi|Keplar NVIDIA only).
    5 x2=combining expresscard+mPCIe or mPCIe+mPCIe slots [p1+2], [p3+4], [p5+6] or [p7+8]; x4=[p1+2+3+4] or [p5+6+7+8].
    6Series-6/7: Only for Thunderbolt-equipped notebooks. Trying to combine mPCIe+expresscard slots no longer possible as Intel now locking the link width in the flash descriptor. Requires advanced bios hacking to configure x2 link, cannot be done using Setup 1.x.
    7: would only be possible if the expresscard slot was wired to the northbridge which runs pci-e 3.0. All expresscard slots so far have been using the southbridge which is currently limited to pci-e 2.0. So we can say this is not possible.
    ? Don't know if non-Intel chipsets can do x2 links.


    If going AMD, recommend a HD5xxx+ series card over a HD4xxx series due to their more efficient usage of PCIe bandwidth. Benchmarks would predict a HD5670 to outperform a HD4870.

    Avoid twin-gpu cards like a HD6970/GTX590 since they require 2x256MB PCIe space windows which might be difficult to accomodate.

    Examples based on power consumption requirements
    • 12V/75W adapter: HD5670, unplugged HD5750, NVIDIA GT430.
    • 12v/80w: specific HD5750 units. See comment here, implemented here.
    • 12V/120W: GTS450 described here using DC adapter that is shared between notebook and eGPU
    • 12V/203W xbox360 PSU: GTX460
    • ATX PSU: AMD HD68xx, NVIDIA GTX4xx/GTX5xx

    See also Suggested NVIDIA Setups.

    3. Is it possible to get an enclosure?

    A good thread to see some professional designed enclosures is at redback79's DIY enclosure project. There are others for sale or examples to build on your own, for example:


    jacobsson's 3D model, BPlus' $60 DIY Box, Remko78's low profile, surrealix's laser-cut acrylic, fatpolomanjr's cardboard box, celli's IKEA drawer, Elmopol's XB360, Joss27's 5.25" SCSI box, Wolf Tohsaka's Livebox Mini, timohour's floppy holder, fr0z3n's carry-it, Fujian stand/enclosure, airzone (1U), Kallogan (192W AC), hlgr, aodioxp, SimoxTav, #1, sprtnbsblplya, Agent9, Lurifax (mini ITX), kizwan (Aero QX2000, mITX), the endless +XB360 PSU, max_headroom and Oddious (1U), lightnica (JuiceBox), pengy_666's 5.25" drive enclosure, 12V/120W "portable", pimped-up (xb360) which is similar to Building an eGPU (CUDA).

    4. What software setup do I need to make this work?

    Spoiler



    5. I'm using an ATX power supply to power my graphics card. How do I switch it on?

    Spoiler



    6. What cable connects PE4L/PE4H to EC2C/PM3N and is it replaceable?

    Spoiler



    7. [mPCIe] What can I do to make it easier to connect the mini hdmi cable to the PM3N?

    Spoiler



    8. Why does my video card fail with an error 12: cannot allocate resources in Device Manager? See Troubleshooting FAQ - Q3.


    PERFORMANCE >>>

    AMD versus NVIDIA back-to-back benchmark results

    GTX560Ti vs GTX660 @x1.2Opt (int vs ext) (i5-2540M 2.6, bjorm)
    HD7770@x1 vs x1E (P8400-2.26, damir001 inc PCISpeedTest)
    HD7870 vs GTX660 at all expresscard/mPCIe bandwidths available (i5-3320M 2.6, nando4)
    HD6970@x4 2.0 vs GTX460@x4 2.0 vs x16 2.0 (i5-2400 3.1, tomshardware)
    GTX670@x1.2Opt vs GTX560Ti (i7-2820QM 2.3, carage)
    HD5850@x1.2 vs GTX460@x1.2Opt (i7-2630QM 2.0, timohour)
    NVS4200M vs GTX560Ti@x1.2Opt (i7-2670QM, Tom_ger)
    GTX680@x1.2Opt vs x1.1Opt and GTX580 versus GTX680@x1.1Opt (i5-2520M 2.5, arsenal243)
    GTX480 versus GTX560Ti@x1Opt (i7-620M 2.66, Mikjoa)
    GTX460-1GB versus GTX560Ti @x1.1Opt (i5-2520M 2.5, Warwickeo)
    GTS450 versus GTX460 @x1.Opt (i7-640M 2.80, docusyn)
    HD5750 versus GTX470 on x1, x1.Opt and x2 links (i5-430M 2.26, nando4)
    HD5750 versus GTX460 on x1 and x1E links (T9300-2.5, ithildin)
    HD5750 versus GTX470 on x1, x1E, x1.Opt and x2 links (T6600-2.2/T2050-1.6/U7600-1.2, nando4)

    Scaling Analysis

    HD5870@x2 1.0 vs x16 2.0 (i7-720QM/i7-3820, kizwan)
    HD7970 versus GTX680: pci-e scaling x4, x8, x16 @pci-e 1.0, 2.0 and 3.0
    HD7970: pci-e 3.0 x2, x4, x8, x16 scaling
    GTX580: x1.2Opt vs x1.1Opt +30% overclock & (i7-2920XM 2.4, Khenglish)
    GTX560Ti: x1.2Opt vs x1.1Opt [internal LCD vs external LCD] (i5-2540M 2.6, nando4)
    HD5850: x16, x4, x2, x1 (~i7-2820QM, timohour)
    HD5870: x2 versus x1 (i7-720QM 1.6, kizwan)
    GTX580+GTX460: x2 vs x1 vs GTX260M (P8700-2.53, mangos47)
    GTX460@x1.Opt scaling analysis internal vs external LCD, +25% PCIe, +40% GPU core O/C (L9600@2.90, nando4)
    GTX460@x2 scaling analysis +20% cpu, +20% PCIe, ~20% GPU (T9400-2.53, khenglish)
    HD5750: x1 versus x1E (T9300-2.5, ithildin)

    MACBOOK >>>

    04-03-2011 MacBook 17 T7600-2.33 with X1600 + HD6850 implemented with Win7/32
    11-10-2010 Mac Mini T7200-2.0 + HD5450 implemented with Win7.
    11-05-2010 MBP 17" T2600-2.16 with X1600 + GT240M result with Win7.
    9-27-2010 MBP 15" Unibody T7500-2.2, 6GB RAM with 8600M GT+HD4650/HD5770-7LCDs impl. & & & with Win7.
    8-11-2010 MBP 15" Unibody T7500-2.2 with 8600M GT + HD4870 implemented with Win7 and MacOS 10.6

    For MacOS DIY eGPU implementations see DIY eGPU MacOS Experiences.

    CUDA/OPENCL APPLICATIONS >>>
    Octane Render: 10x faster than CPU-based rendering.
    Badaboom: CUDA based video transcoding

    NON-VIDEO PCI-E CARDS >>>
    Creative SB X-Fi Titanium desktop sound card via the ExpressCard slot. See details.

    NON ENGLISH eGPU FORUMS >>>



    ARCHIVED NEWS >>>




    Acknowledgements Many thank yous to all the members who have shared their DIY eGPU experiences for others to be able to learn from and duplicate. Special thanks to SimoxTav for the artistic touches.
    Last edited by nando4; 07-28-2014 at 07:28 PM.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  2. The Following 35 Users Say Thank You to nando4 For This Useful Post:

    0x158e (11-02-2012),angerthosenear (01-12-2014),bjorm (07-29-2013),colmeirin (09-05-2013),coolioboy23 (12-18-2013),coyote (07-03-2013),dagazette93 (02-11-2013),Encrypted11 (02-15-2013),ergoon (12-05-2012),fzrashid (02-18-2013),iloveb00bs (09-21-2012),J95 (08-01-2013),jacobsson (09-01-2013),kaladeth (11-20-2013),lukedays (01-12-2013),mental2 (09-21-2012),Michael (09-20-2012),Michael So (07-07-2013),MikjoA (09-30-2012),mw86 (09-20-2012),neon7153 (07-05-2013),Omnius (12-13-2012),Psychotoxic (09-23-2012),Renovatio (02-01-2013),SoNic67 (07-16-2014),Splitframe (05-16-2013),Suoah (10-19-2012),supergrass (01-05-2013),svl7 (09-22-2012),Tenkes (06-30-2013),timohour (04-02-2013),unreal25 (09-21-2012),useafo (11-27-2012),Wes Lawrence (09-21-2012),Xonar (09-19-2012)

  3. #2
    Kopi Lowak cafe nando4's Avatar
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    Implementations moved to a dedicated thread: Implementations: Thunderbolt, expresscard and mPCIe eGPUs .
    Last edited by nando4; 05-20-2014 at 03:58 PM.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  4. The Following 28 Users Say Thank You to nando4 For This Useful Post:

    angerthosenear (01-12-2014),bjorm (11-17-2013),chaomera888 (11-24-2013),colmeirin (09-05-2013),coruja (01-20-2013),coyote (12-07-2013),dagazette93 (02-11-2013),dinomax (03-04-2014),gothic860 (06-05-2013),jacobsson (09-01-2013),lapytopy (08-28-2013),MacGamer404 (12-16-2012),Michael So (07-07-2013),MikjoA (09-30-2012),miro_gt (12-26-2012),moral hazard (12-28-2012),mw86 (09-27-2012),MystPhysX (10-23-2012),nak1017 (11-05-2013),Omnius (12-13-2012),Psychotoxic (09-23-2012),Splitframe (05-16-2013),sugin (10-04-2013),supergrass (01-05-2013),svl7 (09-23-2012),Tenkes (06-30-2013),timohour (04-02-2013),Xonar (09-25-2012)

  5. #3
    More Pixels! mw86's Avatar
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    Ran out of thanks yesterday! You are beyond awesome Nando4. Great work!
    UnlockM18xBIOS Alienware M18x R1

    Spoiler


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    Amazing Nando4!!!

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    hey nando4, sucks to see what happened over at NBR...i think i may stay here for a bit...and thanks for your help thru khenglish! you rock! thanks!!!

  8. #6
    Kopi Lowak cafe nando4's Avatar
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    [Posted 3-14-2012 in DIY eGPU experiences (NBR). Relocated to T|I due to being banned by Lenovo fan ZaZ]

    no more 4GB+ issues: use a DSDT override to extend the root bridge into 36-bit space (Windows 7/8 only - MacOS/Linux are unaffected)

    36-bit DSDT override user contribution repository>>>

    Below are the contributed DSDT overrides created using the details of this post. Linked here to easily find them.

    Dell: Latitude E4300, E4310 (nando4), E6400 (dummyaccount), Studio 1557 (kizwan)
    Samsung: 400B2B (xxlukexx)

    BIOS-configured 36-bit root bridges found on Dell Inspiron 1440/1525 (core2duo), Dell Vostro 1015 (core2duo)

    Introduction>>>

    This problem and solution is only relevant to Windows operating systems. MacOS ignores the root bridge and can allocate in 64-bit space as kizwan found here. Linux has a "noCRS" kernel parameter to ignore the root bridge boundaries so the OS can also also allocate in full 64-bit pci-e space.

    A small number of problematic systems like the Dell Latitude Ex410 series, Samsung Series-4, Sony F-Series and MSI CRx20 have insufficient free 32-bit PCI space to accomodate a eGPU if have 4GB or more of RAM installed. They can't use Setup 1.x's PCI compaction to create sufficient space because they either have TOLUD=3.5GB, or a lower TOLUD like 3.25GB but with an unmovable systemboard device occupying candidate free pci space making it unusable.

    Refer to Pre-Purchase FAQ #2(>> 2. How can I check if my notebook is compatible with an eGPU?) for details on how to check your TOLUD.

    Perform a DSDT override or a in-memory DSDT substitution?

    NOTE: Win8 doesn't allow a registry DSDT override as described below unless test signing is enabled for the Windows bootloader (bcdedit) as described here. An alternative to disabling testsigning in Win8 is to do a Win8: Perform a DSDT substitution within Setup 1.x to overcome TOLUD issues. Win7 users who don't want to do the registry override can also do the that DSDT substitution.

    Need a 36-bit root bridge DSDT override

    Update 2-9-2014 - Using a DSDT Editor to simply the patching process:

    Spoiler


    See Guide: DSDT Override, Simultaneous iGPU + dGPU + eGPU , user angerthosenear's alternative simplified instructions to those presented below.

    I happened to run into one of these problematic systems - a Dell E4310 with TOLUD=3.5G, which can be maxxed out at 16GB of RAM. It's too nice an ultraportable to be need to resort to 3GB of RAM to use an eGPU. So I set of in pursuit of how to add a DIY eGPU to it which is documented below. The same solution can be applied to any 3-gens old PM965 chipsets (2007) or newer system. They have a 64-bit CPU and chipset so are fully PAE/64-bit compatible. This fix could also be applied for systems that would otherwise require Setup 1.x's PCI compaction to free up 32-bit PCI space, making it a nice way of fixing a number of problems.

    The solution requires the eGPU to be hosted in 36-bit PCI space. However, just using Setup 1.x's 36-bit PCI compaction on the eGPU to relocate it in such space will see the eGPU still give an error 12 in Device Manager. Why is that?

    Avlan confirmed that the 32-bit root bridge definition limited allocation only to 32-bit space. The fix being a modified DSDT loaded as a registry override that extends the root bridge (ACPI PNP0A08 or PNP0A03 device) into 36-bit space. Avlan's fix was cryptic so wasn't attempted on other systems.

    After a bit of digging I found the QWORDMemory DSDT static resource entry can be used to easily extend root bridge entry into 36-bit space.

    Ref: [Qemu-devel] [PATCH 6/6] 64bit PCI range in _CRS table plus two examples at virtualbox and Coreboot.

    Example 36-bit root bridge DSDT override>>>

    We can do extend the E4310's root bridge into 36-bit space with the following steps. The iasl and asl tools used plus the modified E4310 DSDT table are in DELL-36b-root-bridge.rar.

    NOTE: kizwan expands steps 1-3 here. Useful if you need more assistance with these steps. Kizwan also provides a video tutorial here.

    1. Identify the resources used by the PNP0A08 or PNP0A03 devices in Windows. This can be found by perusing Device Manager->Resources by connection->Memory. Then check the last PCI BUS entry. Eg:

    Spoiler

    2. Capture the DSDT table using:
    Code:
    iasl -g
    3. Open the resultant [].dsl file and look for the PNP0A08/PNP0A03 'DWordMemory' resource entries. Under the last DWordMemory entry in that area, add a 'QWordMemory' (64-bit) entry such as the one in RED below. I ensure that I stay in the 36-bit range (< 64GB) so the location is compatible with the PAE-capable Win7 32-bit. I also chose a location above 48GB so we won't have issues with maxxed out memory. The range chosen was 48.5GB to 56.25GB.
    Code:
    DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite,
       0x00000000,         // Granularity
       0x000A0000,         // Range Minimum
       0x000BFFFF,         // Range Maximum
       0x00000000,         // Translation Offset
       0x00020000,         // Length
       ,, , AddressRangeMemory, TypeStatic)
    
    QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite,
       0x0000000000000000, // Granularity
       0x0000000C20000000, // Range Minimum,  set it to 48.5GB
       0x0000000E0FFFFFFF, // Range Maximum,  set it to 56.25GB
       0x0000000000000000, // Translation Offset
       0x00000001F0000000, // Length calculated by Range Max - Range Min.
       ,, , AddressRangeMemory, TypeStatic)
    4. Create a [].aml file with the 'iasl [].dsl' compiler directive. It may fail to compile because of of some minor syntax errors in the dsl file. Those will need to be corrected with common fixes explained in How to fixed DSDT errors? (kizwan). It may help to try a newer IASL version 5.0 iasl-win-20120320.zip and ask for guidance at tonymacx86.com DSDT forums. DSDT editting alone could have it's own forum. Then try compiling your DSDT again.
    Code:
    iasl E4310.dsl
    5. Loading the [].aml file into into the registry as a DSDT override using 'asl /loadtable [].aml'. You must be an admin user for this to be successful.
    Code:
    asl /loadtable E4310.aml
    6. Check you now have a 36-bit PCI BUS (> 0x100000000) entry in Device Manager->Resources by Connection->Memory as shown below:

    Spoiler

    7. While my PE4L 2.1 isn't working atm, so I can't confirm it on the E4310, I can say the same fix was done on a Dell E4300 and Win7 did automatically allocate the eGPU into the 36-bit space. If you still see error 12 then there are two options to pursue:

    i) Re plug'n'play the devices. Go into Device Manager -> Video cards, delete the eGPU. Also go into Device Manager -> System devices and delete the PCI Express Root Port x entries.

    Upon restarting the system, halt Win7 startup with F8, attach and power on your eGPU and then proceed to load Win7. Win7 should now be clever enough to re-allocate the eGPU into 36-bit space upon realizing there is insufficient 32-bit space to host it.

    Can go one step further and delete your eGPU NVidia/ATiAMD driver, restart the system and reload it. That may help as well.

    (ii) Hard allocate the eGPU into 36-bit PCI space before booting Win7 using Setup 1.30. Select PCI compaction->Endpoint=56.25GB (36-bit) and then select Run compact. When prompted for the scope select eGPU.

    The result will be similar to that shown in the spoiler in step 6 above, but with the eGPU rather then the Intel HD iGPU being in 36-bit PCI space. Can then proceed to automate this by editting your %DRV%:\config\startup.bat (or V:\config\startup.bat in windows) so can just select the Automated startup via startup.bat Setup 1.x bootitem and have it do everything for you:
    Code:
    call speedup lbacache
    call vidwait 300
    call vidinit -d %eGPU%
    call pci
    call chainload mbr
    Testing results>>>

    * Dell E4310 (nando4): SUCCESS! I relocated the Intel HD iGPU into 36-bit space using Setup 1.x as shown in step 6 above freeing 256MB of contiguous 32-bit space to host an eGPU, so it will definitely work. Plus there is plenty of 36-bit space for the eGPU too. Unfortunately my PE4L 2.1 isn't working so I can't show the iGPU+eGPU both being active but it will work

    * Dell Studio 1557 (Kizwan): SUCCESS! His HD5870 successfully relocated to 36-bit pci-e space.

    FAQ>>>


    1. When do I need to hotplug my eGPU to overcome the error12 with a DSDT override?(kizwan)
    Quote Originally Posted by kizwan View Post
    To anyone who tried DSDT override but still unable to overcome the Error Code 12, try connect/power ON eGPU at "Starting Windows" screen, exactly when you see the windows logo animation. When you see the "Starting Windows" screen & the four dots emerged to form a windows logo, it is when windows loaded the DSDT override.
    2. How to clean the DSDT override properly? (kizwan)

    (*We will need to delete DSDT key in registry)
    Code:
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSetXXX\services\ACPI\Parameters\DSDT
    
    * where XXX are 001, 002, 003 & so on.
    
    and
    
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ACPI\Parameters\DSDT
    I didn't really tested whether deleting "DSDT" key in ControlSetXXX (XXX are 001, 002, 003 & so on) really necessary but I will test this when I test your latest Setup 1.x. For sure deleting "DSDT" key in CurrentControlSet is necessary. You can access registry via command line. So, you can put it in .bat file.
    Last edited by nando4; 05-08-2014 at 05:15 PM.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  9. The Following 6 Users Say Thank You to nando4 For This Useful Post:

    angerthosenear (01-12-2014),coyote (12-07-2013),Michael So (07-07-2013),Psychotoxic (09-23-2012),supergrass (01-05-2013),svl7 (09-22-2012)

  10. #7
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    DIY eGPU updates

    [Posted 6-7-2011 in DIY eGPU experiences (NBR). Relocated to T|I due to being banned by Lenovo fan ZaZ]

    Thunderbolt, MXM, USB 3.0, PCIe 2.0 eGPU update (Series-6+ chipsets)

    Updates from BPlus

    Future x2 2.0 eGPUs via M.2/NGFF (mSATA) slot

    I wrote to BPlus earlier this week:

    > Further to my request to get a socketted mPCIe Gen2 solution, consider too that Apple's 2013 MBA has a x2 2.0 pcie SSD slot.
    > If other manufacturers do the same AND give a second drive (2.5" 7mm/9.5mm), then that x2 2.0 slot could be used in the same
    > way for eGPU connectivity as mPCIe has been used in the past. 10Gbps would match current Thunderbolt speed.
    >
    > Critical in getting a workable solution there would be a socketted Gen2 cable for a PE4L/PE4H. At least that it is socketed on one
    > end (the mPCIe end). Please do your best to try to make it happen!
    >

    Masaharu @ Bplus replied:

    Silicon Power T20 is Thunderbolt to SSD solution, soon be released;
    Silicon Power Presents Superior Thunderbolt Series at IDF 2013 | techPowerUp

    T20 may have PCIe SSD, such as SanDisk A110 PCIe SSD;
    SanDisk A110 PCIe Solid State Drive

    In this case, PCIe X16 graphic card might be replaced from PCIe SSD by using M.2 / NGFF to PCIe adapter.
    6-15-2013: Masaharu about the new Gen2 compliant PCIEMM-060B detachable cables

    Spoiler


    03-27-2013: Masaharu's reply requesting MXM3 product

    Spoiler

    12-14-2012: Masaharu's reply to x1 jumper request on next TH05 revision

    Spoiler


    12-14-2012: Masaharu on new product that mixes best of current PE4L 2.1 and PE4H 2.4 feature set

    Spoiler



    11-25-2012: Masaharu on x4 2.0 Thunderbolt device ETA

    Spoiler


    10-01-2012: Masaharu on x4 2.0 Thunderbolt TH05 device

    Spoiler


    9-26-2012: Masaharu on PE4L-L060A being pci-e 1.x only!

    Spoiler


    7-07-2012: Masaharu on TH05 TB progress (x2 2.0!!, no DP-to-internal LCD), KZ-B21/KZ-B26 mPCIe products

    Spoiler

    6-07-2012 BPlus Computex 2012 Thunderbolt/eGPU products

    6-05-2012 NEW! US$92-shipped PE4L-PM060A (mPCIe 2.0)

    5-29-2012: Masaharu on PE4L 2.1b product listing and mPCIe PE4L-PM060A 2.1 availability

    Spoiler

    5-22-2012: Masaharu Thunderbolt, mPCIe products and pci-e 3.0 compliant cables

    Spoiler

    5-18-2012: Masaharu - mPCIe pci-e 2.0 product with detachable cable available

    Spoiler

    5-02-2012: Masaharu - mPCIe pci-e 2.0 product sample available

    Spoiler

    3-11-2012: Masaharu responds to PCI-E 3.0 compliance request

    Spoiler

    3-7-2012: Masaharu on PE4L 2.1 manufacturing improvements

    Spoiler

    3-2-2012: Masaharu RE EC2C end reinforcement of PE4L 2.1/PE4H 3.0

    Spoiler

    3-1-2012: Masaharu RE socketted mPCIe pci-e 2.0 product desired

    Spoiler

    2-19-2012: Masaharu RE mPCIe products and PE4H 3.0+enclosure

    Spoiler

    2-10-2012: Masaharu RE Pictures of sample PE4H 3.0

    Spoiler

    2-2-2012: Masaharu RE PE4H 3.0 features, REQUEST higher power PE4L jack (no go)

    Spoiler

    01-21-2012: PE4L 2.1 (pci-e 2.0) will be available on Feb-20-2012 as a US$70+shipping engineering sample. Detailed photos of one are here.

    1-20-2012: Masaharu from BPlus response to 12V bypass for PE4H DC jack + PE4H 3.0 arrival

    Spoiler

    1-19-2012: Masaharu from BPlus response on cable length and some other requests

    Spoiler

    1-17-2012: Masaharu from BPlus finalizes the pci-e 2.0 compliant PE4L 2.1 pricing

    Spoiler

    1-17-2012: nando4 response requesting lower PE4L 2.1 price for next 6 months

    Spoiler

    1-17-2012: Masaharu from BPlus clarified PE4L 2.1 pricing and requests optimized cable length

    Spoiler

    1-16-2012: Reply from nando4 to Masaharu at BPlus last message below about pricing

    Spoiler

    1-16-2012: Update from Masaharu at BPlus

    Spoiler

    1-10-2012: Update from Masaharu at BPlus

    Spoiler

    12-22-2011: Update from Masaharu at BPlus

    Spoiler

    12-19-2011: Update from Masaharu at BPlus

    Spoiler

    12-07-2011: Update from Masaharu at BPlus

    Spoiler

    11-18-2011: Update from Masaharu at BPlus

    Spoiler

    11-11-2011: Masaharu about products inc USB 3.0 no go

    Spoiler

    10-12-2011: Aaron Yang (source)

    Spoiler

    9-21-2011: GerryChen

    Spoiler

    9-3-2011: GerryChen summary: using a active transmitter/receiver pair for reliable pci-e 2.0 transmission over copper.

    Spoiler

    8-4-2011: new flat cables are now available. BPlus allude to the mini HDMI cable as being the culprit preventing pci-e 2.0 signalling.

    Spoiler

    Who has pci-e 2.0 compliant cabling?


    · BPlus: PE4L 2.1 (avail 20th Feb) and PE4H 3.0 are pci-e 2.0 compliant.
    · BPlus: a PE3A+riser is pci-e compliant, as is a modded PE3A. The latter is a cableless solution with the eGPU butted right up against the expresscard slot.


    · bplus are now developing an active transmitter/receiver pair for reliable pci-e 2.0 transmission over copper. Their previous attempt at a new flat cable only allowed pci-e 1.0 over a longer length as shown. It uses a mini HDMI connector. Interested parties could try a $15 NXG active HDMI cable via two HDMI<->mHDMI adapters, noting that pin18 provides power with HDMI transmitting 5V and the EC2C/PM3N transmitting 3.3V which might be an issue. <-- doesn't work. Khenglish is in the process of obtaining a short mini HDMI to mini HDMI adapter to try instead of the cable. <- doesn't work.


    · Netstor's TurboBox-mini has pci-e 2.0 compliant cabling.


    · Apple's $50 Thunderbolt cable is the only one certified to do pci-e 2.0 signalling on copper due to being active in nature. It uses a mini Displayport connector

    Thunderbolt Products Updated 4-22-2012

    MSI GUS II: availability/pricing is unknown but rumored to be $199 with 150W PSU.

    US$400 MLogic MLink Thunderbolt pci-e expansion: Available in July 2012 . Red Rocket version starting at $800. NAB 2012 - M Logic on Vimeo

    OWC Thunderbolt PCIe x4 Expander Box ~ single slot chassis at 4x. OWC will be Nabbing Some Attention at NAB. | Other World Computing Blog

    Sonnet Thunderbolt Echo Express: Available in June 2012. $800 for 150W chassis, $600 for 100W chassis

    US$979 Magma Thunderbolt product - ExpressBox 3T: Pre-order on the product pre-order page.

    Netstor's Thunderbolt product - TurboBox : Available soon according to the discussion page.

    Villagetronic Thunderbolt product: Is being developed. External Thunderbolt PCI Expansion Chassis and Hub in Development - Mac Rumors. Do NOTE, their CEO indicates on their facebook page that Intel would not provide Villagetronic a development kit.

    Which systems have or will have Thunderbolt ports?

    * Apple MBA/MBP 2011
    * Sony Z2 -> it's a proprietory Lightpeak port
    * Lenovo S430 : the first PC notebook announced to be released with a Thunderbolt port
    * Asus and Acer will have TB port systems in Q1-Q2 2012
    * Intel Working on Standardized Thunderbolt Docking System for PCs - Mac Rumors

    USB 3.0 Products - PLXtech's USB3.0 to pci-e adapter has been demonstrated working with a desktop video card attached to a USB 3.0 port here.

    11-11-2011: Masaharu- USB 3.0 is no go

    Spoiler

    10-14-2011: GerryChen
    Subject: USB 3.0 PE4L/PE4H development?

    We still co-work with PLXtech to develop video card to USB3.0 solution this year. Modify video card driver is needed. Eva-Kit already released Oct/2011.

    Last edited by nando4; 09-23-2013 at 03:41 AM.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  11. The Following 4 Users Say Thank You to nando4 For This Useful Post:

    coyote (12-07-2013),Michael So (07-07-2013),MikjoA (09-30-2012),MystPhysX (10-23-2012)

  12. #8
    Kopi Lowak cafe nando4's Avatar
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    Moved to DSDT override post.
    Last edited by nando4; 09-13-2013 at 05:02 PM.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  13. The Following User Says Thank You to nando4 For This Useful Post:

    Michael So (07-07-2013)

  14. #9
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    Quote Originally Posted by nando4 View Post
    Thank you for letting users know. The patch for Setup 1.10b5 is an interim fix and is now included in the new page DIY eGPU Setup 1.x . Those fixes are rolled into the development version of Setup 1.11a with a stack of others. It's release is pending more fixes/updates to compact whose author will be working with an iGPU+dGPU+eGPU rig soon so will be seeing long outstanding bugs and features requested firsthand. Trying also to organize a way to get a 2011+ Macbook too so could tweak the software to work on it too. Looks like Thunderbolt systems still encounter error 12.

    Can you remind me of the system in question here? Are you using expresscard/mPCIe, PE4H/PE4L version? The method I've found was always successful in detecting the eGPU being:

    1. Disconnect and power off the eGPU from the notebook.
    2. Boot Setup 1.1x
    3. Power on the eGPU.
    4. Hotplug the EC2C (expresscard) or PM3N (mPCIe). A variation of this if using PE4H 2.4 or PE4L 1.5 is to leave the EC2C in the expresscard slot throughout steps 1-3 above but just attach the mHDMI cable to it with the powered eGPU to get it detected.

    Some systems do not boot with the eGPU powered and attached. That's a great troubleshooting step to confirm the hardware itself works as the bios sees it and doesn't like it. I believe the Troubleshooting FAQ will be up in the next day or two. It has pretty much the same steps as I list above for getting an eGPU detected.
    This is actually another system. My dgpu in my last system totally crashed and i was no longer able to see any video output...

    this system is a fujitsu lifebook n3430 that i got from a friend.
    Win XP Media Center Edition SP3
    Intel T2300 @ 1.66 GHz
    512 RAM (i know it sucks - is it even enough RAM)
    integrated intel video

    egpu is GTX 460SE, connected through PE4L-EC2C with Corsair CX430 psu


    Actually, i have tried all of the methods you have listed (in setup 1.x help menus) including the one above. nothing has worked. before it actually worked when the egpu was plugged in before i turned on the laptop, but i'm not sure what happened. do i need to get more memory? the laptop can support up to 2gb.

  15. #10
    Kopi Lowak cafe nando4's Avatar
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    Quote Originally Posted by mental2 View Post
    egpu is GTX 460SE, connected through PE4L-EC2C with Corsair CX430 psu


    Actually, i have tried all of the methods you have listed (in setup 1.x help menus) including the one above. nothing has worked. before it actually worked when the egpu was plugged in before i turned on the laptop, but i'm not sure what happened. do i need to get more memory? the laptop can support up to 2gb.
    Memory won't be an issue until after the eGPU is detected if you have error 12 appearing. If none of the methods listed got the eGPU detected then it would likely be a hardware problem. Either the PE4L, video card, mHDMI cable or power/PSU or expresscard. If you have another system with an expresscard slot handy I'd connect it up and see if it's detected. Another highly likely issue is the mHDMI cable if you have a PE4L 1.5 or older. I had a few mHDMI get faulty after repeated uses/bends. Swapping at least the ends might get some results but better would be swapping with a complete new mHDMI cable.
    DIY eGPUeGPU candidate notebooksHP C2D DualIDA BIOS12.5" HP 2570P with i7-3740QM@3.87Ghz

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4L 2.1b) weapon of choice:

    GTX770@x1.2Opt 3dmkGPU:06/10/11/13-fs=30508/32251/9842/7487
    R9 280X@x1.2     3dmkGPU:06/10/11/13-fs=28904/31964/9721/7314

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@x2.2 DIY eGPU (TH05) 3dmkGPU:06/10/11=18569/24363/7810

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

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