Abit SG-80 Motherboard "pc graphics card computers tablets" Questions

BOOT falilure after RAM installation HISTORY: Every time when the computer was powered up, there was a message "CMOS battery low" and F1/F2 selection for proceeding. ACCIDENT: I replaced a memory chip

PC, here's what it takes: 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit) 16 GB available hard disk space (32-bit) or 20 GB (64-bit

...PC). I took the mobo out of the case and stripped in down so that there wasn't even a CPU in it. I tried to boot on the bench and got the same conditions. Regardless of what components I addded ...