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bogosj13 · 09-06-2003, 10:40 AM

I recently got a motherboard/chip from a friend, and I installed it in my box with my old harddrives and RAM. I turned the machine on, and everything was working fine. Everything worked for a few weeks, but then the machine needed to be rebooted, and it wouldn't reboot.

I reboot the machine, and it constantly beeps from the internal speaker, three beeps at a time. If I turn the machine off, open the case, and put the jumper to reset the CMOS, then put the jumper back, I can get the machine to turn back on, once. If it needs to reboot, it fails turning on again, continually beeping.

When I reset the CMOS, and reboot the machine, I note on the screen "CMOS Checksum error - Using Defaults" or something along those lines. The clock is always set at Jan 1, 2001. I've switched out the battery with one I know is functional, I can't think of anything else that would be causing this. Any suggestions?

09-06-2003, 10:40 AM	#1 (permalink)
bogosj13 Upright	CMOS problem I recently got a motherboard/chip from a friend, and I installed it in my box with my old harddrives and RAM. I turned the machine on, and everything was working fine. Everything worked for a few weeks, but then the machine needed to be rebooted, and it wouldn't reboot. I reboot the machine, and it constantly beeps from the internal speaker, three beeps at a time. If I turn the machine off, open the case, and put the jumper to reset the CMOS, then put the jumper back, I can get the machine to turn back on, once. If it needs to reboot, it fails turning on again, continually beeping. When I reset the CMOS, and reboot the machine, I note on the screen "CMOS Checksum error - Using Defaults" or something along those lines. The clock is always set at Jan 1, 2001. I've switched out the battery with one I know is functional, I can't think of anything else that would be causing this. Any suggestions?