Aluzcz

All problems solved with buying used Geforce GTX 660 for just $130, please delete this thread I will start a new thread(guide) about my experiences with this particular card.

After some more reading(reading is your friend) i discovered old post from Tech Inferno Fan which is answering everything Since I already have working case with ATX psu, well its rather bench but it works even though that its bulky I completely abandoned all plans for small slim eGPU setup powered by GTX750, since my eGPU project its also on a budget(otherwise i can just go for a PC) I will go for used GTX 660 which is here in CZ for same price as new GTX 750, with this I will also save on the additional SW&HW needed, which would otherwise be case for the egpu, 12V PSU, additional drive. As I already tested this solution before i know that it will work straight out of the box and that it will work well. Later on I will hopefully post some guide.

Update: So GTX 750 with 2GB of ram from Gigabyte didn't helped and error 12 still present, strange since GTX 660 worked without any issues, but meh i guess it won't be because of how much memory is allocated on the card itself but because of ht GPU. Unfortunately this Gigabyte unite is little big bulky and have 6pin external connector which is not fitting my idea of small car with will fit into small itx box and it will be powered by pcmci and small 12V adapter. So tomorrow I'm starting again with Gainward card with just 1gig or ram, im not expecting any improvements but at-least it will hopefully fit in to the box. And last but not least I started to play with the DSDT on my HP since we considered Lenovo to be hard to modify, unfortunetly on HP 2540p im facing different issue, after i load the DSDT, modify it and compile its showing more then 200 errors, after fixing the errors there are still 149 errors present, since this is my business laptop which is also locked with bitlocker i will not give it a shot since then its pain it the ass to run the system restore which is quite possible considering so much errors. My next approach is that i ordered caddy for additional drive which is interchangeable with the dvd drive, after i will get my hands on this and after i will put additional drive in this laptop i will try to play with the DSDT little more, if it will not work i will most probably give up on this idea an simply buy the "setup 1.x" sw which wont be hassle to install on my own not bitlocked drive.

Good to know that I'm not just soo lame but that other with Lenovo laptops are also suffering from same issues related to DSDT. I will try to bypass the DSDT issue with exchanging the VGA because i didn't experienced error code 12 with VGA which had 2GB of memory, hopefully I will be right with that, then i will post some guide for Lenovo users which have similar laptops we do.

Either we both are doing something wrong all the time - your idea of the wrong compiler have sense, or our particular Lenovo models are somehow not able to use this fix.

Hi, thank you a lot for the simplified guide! Unfortunately its not working for me and I'm getting blue screens each time i load the settings and restart, screenshots and vid below. I don't know what em i doing wrong, I'm following the guide to the letter. For the first time i was checking the copy pasted code and added spaces since they were missing, no luck for the second time i just copy pasted the code, compiled it, fixed the errors ,exported it and loaded but again same issue. Please find my dsdt.dsl file as well with the screenshots of the bluescreens attached. To make things simple, you can find below how it looks like when i copy paste the Qword, i guess i either overlooking something or that its not possible to run the override on the lenovo as per the BSOD statement. DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, // Granularity 0xFED40000, // Range Minimum 0xFED4BFFF, // Range Maximum 0x00000000, // Translation Offset 0x0000C000, // Length ,, _Y26, 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) }) CreateDWordField (_CRS, \_SB.PCI0._Y19._LEN, C0LN) // _LEN: Length CreateDWordField (_CRS, \_SB.PCI0._Y1A._LEN, C4LN) // _LEN: Length CreateDWordField (_CRS, \_SB.PCI0._Y1B._LEN, C8LN) // _LEN: Length CreateDWordField (_CRS, \_SB.PCI0._Y1C._LEN, CCLN) // _LEN: Length CreateDWordField (_CRS, \_SB.PCI0._Y1D._LEN, D0LN) // _LEN: Lengt Full data with screenshots below [ATTACH=CONFIG]12396[/ATTACH][ATTACH=CONFIG]12397[/ATTACH] From eGPU

My last question, I observed that the GTX660 which worked without any issues had 2GB or ram, can this play a role? Since the GTX750 have only 1GB or ram?

Ok I was quite tired when i was writing this since it was very early morning here when i posted this, so i will wrap this up: 1. Does it work for me to run the eGPU on the old Lenovo T400s? 2. Does it worth a try to try different brand of the VGA? 3. Does it worth for me to try "setup 1.x" sw, this loops back to the question number 1. since I'm very unsure that it will work on my business laptop.

Then I already posted long time ago about my experience with eGPU, it was mainly with HP EliteBook 2540p@GTX 660 and this setup worked flawlessly! Unfortunately the card wasn't mine and i had to return it, then i got stucked with my old ATI HD4770 with had some issues with the more powerful EliteBook with i7 cpu but it worked on my older Lenovo T400s, so i was using it from time to time but since the overall power of this setup was so low at the end i wasn't using this combo too much. Now Now, after some time passed I decided that I would like to play some games again and after reading everything on the internets about some decent gaming HW or Laptops with good power/money value i decided to resurrect my old eGPU idea. So i done some comparison and bought Gefore GTX 750 from MSI which was good for the money on our marked and it also appeared that it will compliment to the i7 cpu as well. Struggle starts After I today returned home with the card i started immediately geeking with the eGPU setup, unfortunately i wasn't lucky with my business/company HP EliteBook 2540p, after some trolling around and reading about the code 12 issue i took one of the 2gb memory modules out(total is 2x2GB) and things slowly started to work even thou that the PCIE slot on this laptop with this particular card works in mysterious ways, if the card is inserted and egpu powered card is not recognized, if the egpu is hotplugged card its not recognized, but when its hotplugged for 2nd time its recognizing the card well, but it runs kinda a doggy, when i tried to run first strike benchmark it was taking ages to load and then it was complete slide show, when i started the cloud gate benchmark it loaded fast and it was also running decently, total score was 7150 which is in comparison to the score of the same card on desktop system which is scoring in this benchmark aroun 14500, about a half, So apart of the performance and doggyness issues when kinda hard to connect the egpu, everything works apart of the fact that i have to run on half of the memory, which is to be honest useless especially if you want to use it for gaming. Struggle code 12 After i have struggled with my more powerful company laptop I wanted to test the setup on my personal Lenovo T400s, fortunately on this laptop each time i connect the card its recognized instantly, drivers were loaded and everything went very smoothly apart of the fact that my personal laptop have also more then 4GB of ram to be exact twice as much 2x4GB so I'm getting the code 12 error all the time and so far i wasn't successful to get this card work on my personal laptop. The Misson The mission is to get the card MSI GTX 750 or any other similar working on the EliteBook 2540p since is the most powerful laptop i have and because i can use the optimus feature on it , backup plan is to get this working on the Lenovo but not sure if the value of the whole setup egpu+card will worth the performance. Summary Since i was able to run the GTX 660 on both of my laptops i was expecting the same from the GTX 750, unfortunately this is not the case and the new card is not working of both of them(if they have full memory installed) from what i have read i think one of the solutions could be the "setup 1.x" SW and i don't have any issues to paying for this SW but I have different issues, first i would prefer a solution when the HW will just work like in the previous case of GTX660, i call this clean HW solution so I ask is it possible if i will buy the card from different vendor, for instance Asus/Gigabyte/Gainward, is there a chance this will fix my issue? My current card is just few hours new so I have still some time to exchange it for a different one. Second issue which i have with the "setup 1.x" solution is that I'm not sure that it will work on my company laptop since i have bit-locker and other security sw installed there. Bottom line As I said i think its preferable to run the egpu setup on the HP since its more powerful but if it wont be possible, will it make sense to still run it on the Lenovo, do think it makes sense to try some different brands of similar card with same chip or should i try the "setup 1.x" sw? If you would still recommend would be possible to get a "Demo" copy from the vendor to test it on the preferred HP laptop because I fear that it will not work due the bitlocker and security sw of course in case it will work as expected i will pay for it ASAP. Some tech specs HP EliteBook 2540p <dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Processor</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">Intel® Core i7 CPU L 640 @ 2.13GHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Reported stock core clock</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,134 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Maximum turbo core clock</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,926 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Physical / logical processors</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">1 / 4</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);"># of cores</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2 </dd> <dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Operating system</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">64-bit Windows 7 (6.1.7601)</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Motherboard</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">Hewlett-Packard 7008</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Memory</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">4,096 MB</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Module 1</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,048 MB Samsung DDR3 @ 667 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Module 2</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,048 MB Kingston DDR3 @ 667 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Hard drive model</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">120 GB KINGSTON SKC380S3120G</dd> Lenovo T400s <dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Processor</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">Intel Core 2 Duo Processor SP9400</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Reported stock core clock</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,400 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Maximum turbo core clock</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2,525 MHz</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Physical / logical processors</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">1 / 2</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);"># of cores</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">2</dd> <dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Operating system</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">64-bit Windows 7 (6.1.7601)</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Motherboard</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">LENOVO 2808D9G</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Memory</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">8,084 MB</dd><dt style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-weight: bold; font-family: 'Droid Sans', sans-serif; vertical-align: baseline; clear: left; float: left; width: 259.4375px; color: rgb(51, 51, 51); line-height: 21px; background-color: rgb(240, 240, 240);">Hard drive model</dt><dd style="margin: 0px; padding: 9px 14.8125px 8px; border-width: 2px 0px 0px; border-top-style: solid; border-top-color: rgb(255, 255, 255); font-family: 'Droid Sans', sans-serif; vertical-align: baseline; float: left; width: 422.5px; color: rgb(68, 68, 68); line-height: 21px; background-color: rgb(240, 240, 240);">128 GB TOSHIBA THNS128GG4BAAA-N</dd> And at least one 3dmark result NVIDIA GeForce GTX 750 video card benchmark result - Intel® Core i7 CPU L 640 @ 2.13GHz,Hewlett-Packard 7008 Few offtopic hints and questions and my curiosity 1. This ITX case would make a great case for a eGPU and GTX 750x card, since the 750 series are low consumption it would then just require some cheap ac/dc adapter IX-01B (Compact Series / Mini ITX Tower / miniITX) If i will make the card work at the end will i promise i will keep you posted about this case usage possibility for eGPU. 2. Is now anywhere some reference/user manual for the egpu board? When i bought it i was only able to get the datasheet I'm particularly interested about switch 4 and 6, from what i understand switch 4 is a PCIE x mode switch, and switch 6 is a bios delay switch, but what are the values on them? I have also seen some setups which were maybe using the USB port to power the eGPU, is it actually possible, howto achieve this if possible? from what i have also found on this russian site Опыт Ñборки eGPU и его взаимодейÑтвие Ñ Ð½Ð¾ÑƒÑ‚Ð±ÑƒÐºÐ¾Ð¼ - ВерÑÐ¸Ñ Ð´Ð»Ñ Ð¿ÐµÑ‡Ð°Ñ‚Ð¸ - PVSM.RU, is the pin numbered 7, used to connect to the swex/switch board, is it actually necessary or whats the catch here? My setup is that ATX PSU is connected to the swex switch board on one end by the 5V fdd connector to the eGPU on the ether end, why should i connect the board by the additional cable?

Can confirm running optimus with Diablo 3 on internal display, with just approx 10% lower performance.

Great thread, really looking forward! I'm for: full x16 slot with lock detachable mhdmi cable some small sexy, half diy case would be awesome since im using optimus quite often

I have last question regarding the geforce gtx 750, since the card is just powered by the pcie slot and it doesn't have any connector pro the external PSU, will it work on PE4L 2.1? In other words is the short PE4L 2.1 capable supply the full power of the pcie which should be 75w but for gtx 750 it should be enough between 55-60w, still, will the short PE4L 2.1 supply this demand?

Any luck with the GTX 750 working at most of its potential ? Can you please post some benchmarks? I'm also interested of buying this card, most probably from gigabyte or msi.

Ok since I'm a bit confused by the x1 speeds and on what em i currently running here is a screen shit from the GPU-Z, also note that the 660 was recognized as a second VGA, intel HD as a primary one. Basically is this the best setting i can go with or is there still some place for improvement? Because i see that even with eGPU are people getting much better scores in benchmarks then i do. I was also running some benchmarks again and in 3d mark 06 i get only 13916 http://www.3dmark.com/3dm06/17576890 So i still feel like something is not completely right edit3: I have done some reading and since I'm using the latest driver its maybe not supporting the optimus anymore, can somebody point me to some modded drivers for the gtx 660 and another question if i will buy the gtx 750, what then? Its a new card which is on the market just for a while and not so many drivers are supporting it so far. edit4: I just succesfully tested 3d mark / first strike on the internal display, 3d mark 06 was showing some errors but first strike worked and here is the score 3044 WHICH IS JUST 500 POINTS LOWER FROM MY PREVIOUS RUN ON THE LCD SO I GUESS THE OPTIMUS WAS ENGAGED. http://www.3dmark.com/3dm/2886888

Year have passed and I'm back geeking around with my PE4L 2.1. I'm tying to run eGPU on my hp elitebook 2540p. Currently I'm celebrating success with nvidia GTX 660 3dmark 11 results here NVIDIA GeForce GTX 660 video card benchmark result - Intel® Core i7 CPU L 640 @ 2.13GHz,Hewlett-Packard 7008 But if i will take in the account that I'm running this on quite powerful setup, i7 cpu, 4gigs of ram, SSD, im not completely satisfied becasue this setup give me basically half of what the card is capable of otherwise its running with GTX 660 without any issues at all, without any opt tweaks or modded drivers all stock. And my question is, is there a chance to improve my performance with the opt mod? I was also trying to run my old ATI 4770 on the HP setup but in this case without any luck at all, mostly the system will not find the card, and if it will find it drivers will not catch up and if the drivers will catch up it says that there are no enough resources, i believe error 12 which is kind a strange to me cos on my previous setup with Lenovo this card worked(and still works well), in this case my question is how to get the card work, shoud i get the Opt mod, or? Bottom line, currently i have just a ATI 4770, nvidia GTX 660 is a borrowed card and I have to return it, I can buy it as well but i think this cars is a little overpower for my setup and my games(mainly Diablo3 currently) My main question is, now since i cant get the ATI 4770 working on the HP and i have to return the GTX 660, which card i should buy and how should i set it up? My main issue is that the HP is business bitlocked so i cant use the OPT mod from nando even if i wont to. My current Plan is to get the nvidia gtx 750 which is fairly cheap and run it like the 660 without any mods, which should and give me fair power, do you agree guys? Suggestions much appreciated.