Since this past weekend, when I turn on my dual-boot (Windows XP and Fedora Core 7) PC, I get:
AMD BootBlock V1.0
BIOS ROM checksum error
Reading Drive A:
Insert system disk and press Enter
I have tried to clear CMOS, tried to load MS DOS (both 5.0 and 6.2.2) from floppy disk but I see the same error message. [...]