then you probably need a bigger divider or loosen the timings and not to thread steal or anything to you have to make a bootable floppy/cd for memtest or can't you just run it off the desktop
The 3500LL pro memory and the ASUS A8NSLI32 motherboard have been tested and matched to work together according to ASUS and corsair, so I doubt the fact its that I am using PC-3500 memory.