name='Freak' said:It could be the HDD starting to die. As it has dropped an UDMA mode.
Go to devmgmt.msc and change it.
how?
name='Toxcity' said:Is SLI enabled? Since you are running a GX2.
Oh, and make sure the SLI setting in CoD2 is enabled too.![]()
it's enabled.

also tried r_multigpu 1 in game
name='Youngie1337' said:Check your HDD using Speedfan mate.
The overall fitness for this drive is 98%.
The overall performance for this drive is 90%.
Code:
10 Raw Read Error Rate 200 0 Very good
10 Spin Up Time 176 2200 Very good
10 Start/Stop Count 100 828 Very good
10 Reallocated Sector Count 200 0 Very good
1 Seek Error Rate 100 0 Normal
0 Power On Hours Count 92 6031 Watch
Warning: Power On Hours Count is below the average limits (94-100).
10 Spin Retry Count 100 0 Very good
10 Calibration Retry Count 100 0 Very good
10 Power Cycle Count 100 812 Very good
10 Power Off Retract Count 200 270 Very good
10 Load Cycle Count 200 828 Very good
10 Reallocated Event Count 200 0 Very good
10 Current Pending Sector 200 0 Very good
10 Offline Uncorrectable Sector Count 200 0 Very good
10 Ultra DMA CRC Error Rate 200 0 Very good
10 Write Error Rate 200 0 Very good