Posted 01 June 2011 - 09:19 AM
Thanks for the reply,
Funnily enough, I thought it should be ok as well.
I tried to start in safe mode but had a list of files quickly scrolling down the screen, then nothing.
I think what I'll do first is revert back to the earlier Motherboard first an see what happens.
The reason I changed the motherboard from the M2N32 WS Pro in the first place was that lately the machine needed a few presses of the start button on the case to start up properly. On normal operation the fans would start up at high rpm, then reduce as the machine booted. From that time the machine operation has been fine.
What has recently been happening is that the fan rpm doesn't reduce, and the thing just hangs-up. This then requires a manual switch-off by holding the button in for a couple of seconds or more to turn off the machine, then restarting. After about thirty attempts, all would boot-up normally. Sometimes, if I press the button, the machine would power-off, then as soon as I let it go the machine tries to powers-up immediately; but there's no consistency about it.
As I had the M2N32SLI Deluxe as a spare I'd thought I would try that, but that's just dug me a deeper hole to climb out of.
The power supply was changed about four months ago so I'd expect that to be ok, when I last looked the last time I booted into the BIOS the following voltages were observed:
Vcore voltage: 1.37V
3.3V voltage: 3.26V
5V voltage: 4.86V
12V voltage: 11.84V
When I originally assembled the system five years ago I had a similar problem with the machine constantly rebooting itself. The only way I was able to stop this was to increase the RAM voltage to 2.05 volts. From that day to this the machine has been very stable - until now.
Maybe the RAM is on it's way out?
Will advise what happens when I swap back.
Thanks, and kind regards,