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Still issues with PCIe 02/03/2013
With the exception of the PCIe issues (256mb memory BAR for the K5000, PCIe 2.0/3.0 dynamic handling) the motherboard works ok. When the display is detected for Quadro K5000 and GTX 6XX series cards the platform is rock stable past POST.
Sadly (ignoring the previous obnoxious comment RE: you're doing something wrong), i've been in a month long discussion between ASUS, nVidia, PNY and EVGA regarding poor coding practices which have lead the SBIOS to a number of display detection issues. Rest assured there are alot of people out there with this problem. The K5000 issues are related to a 256mb Memory BAR resource allocation problem at POST (Q-Code B2). With the help of a PNY tech, I have adjusted the memory BAR down to 128mb which then worked flawlessly - proving the resource allocation issue. I also have the Tesla K20 GPGPU - sadly though nVidia's drivers aren't up to scratch yet, resulting in a BSOD/spontaneous reboot once a day with this board. GTX issues are related to PCIe lane speed handling (2.0/3.0). EVGA have released a fix which locks the speed, solving this as the SBIOS has not accommodated this feature as of yet. All of the above has been acknowledged by the respective vendors as well.
Benson, please go check the ROG non-Intel thread for further information. Yes your techs have been able to successfully mimic some results, but not all. The K5000 issue still exists. The GTX issues still exist for any cards not made by ASUS, meaning your techs have probably locked the dynamic handling of PCIe lane speeds. I've been given the 3402 test SBIOS, however this still has not resolved the issue and may be some months out - at least until enough customers complain that the "buck passing" stops.
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