I recently bought an inspiron 1501 with 1GB DDR2 533 but when I runned memtest86 it shows that I have a DDR 199 @ 90 mhz. What it could be?
BTW I use Ubuntu as main OS and XP as game OS. I have also runned "rightmark memory analyzer" on XP and it shows the same.
I've had similar readings with certain versions of cpu-z. I wouldn't worry about it if your system is stable. If these readings are from the bios, you can flash it, just be careful. I've had 2 or 3 dead boards in 15 years of flashing.