I have noticed that your card is running x4 Gen 2.0. Thanks for taking the time to test and reply guys :up: Thanks for the information, what is concerning is that Rampage Formula does not have this issue, yet you flashed your BIOS to a Rampage Formula and you still have this issue :( For some reason ATi cards do not report information like nVidia cards (such as memory usage, etc) The GTX 295 corresponds with tests performed on 9800GX and GTX 295 Single PCB whereby the NF200 reports PCI-E 2.0 to the GPU's and the driver.ĪTi cards appear unaffected, unless you use HWinfo32 (or some other program that measures PCI-E Bandwidth). What we see here is that your GTX 275 and GTX 285 are running in PCI-E 1.1 mode. I have the GTX 275, GTX 285, GTX 295 as shown below: My board is a Maximus Formula X38 that flash to a Rampage Formula. Does it only affect to Nvidia card but not ATI? Hi John, so you're saying that even though GPU-Z shows the bus interface at x16, it only runs at PCI-E 1.1 x16 but not PCI-E 2.0 x16? I have some screenshots and hopefully they help.
Please if you have the time could you take a screenshot of GPU-Z showing your card's PCI-E transfer rate and put this alongside a CPU-Z screenshot showing what motherboard and what BIOS revision you are running. I and a few other users have been constantly trying to get this issue resolved, but motherboard vendors are not very helpful.ġ) PCI-E Gen 2.0 has been disabled on X38/x48/X58 boards with a certain undisclosed, yet confirmed by nVidia SMBIOS bug in Intel BIOSes as of April 2009.Ģ) Intel DX38BT motherboard with BIOS 2006 is NOT effected by the PCI-E Gen 2.0 bug, apparently this contains a fix.ģ) DMI information on ASUS X38 boards is odd, says our PCI-E16 slots are empty?!Ĥ) Intel resolved a Slot mismatch issue on their boards in July 2009 stating it resolved a PCI-E Gen 2.0 issue.ĥ) Most X48 boards are unaffected, and even fewer X58 boards have this bug.Ħ) nVidia 9800GX2 and GTX295 do not appear to show this bug as their NF200 chips report the PCI-E link speed direct to the GPU's Where here the board does present itself as a Gen 2.0 board, the card only runs at Gen 1.1 On gigabyte boards the symptoms are slightly different. This GTX 285 is only operating PCI-E 1.1 x16 on an X38 based motherboard (ASUS P5E3). The symptoms of the PCI-E Gen 2.0 bug are that your graphics card only operates at PCI-E Gen 1.1 mode. In collaboration with a number of users on the nVidia forums () and ASUS forums I am trying to collect data as to what boards are effected by the notorious PCI-E Gen 2.0 bug which appears to be effecting Dual PCI-E 16 Intel Boards and nVidia cards.
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