Alternate way to clear CMOS on CUSL2 (no battery pull, no shorting)!

CamaroGuy

Senior member
Jun 3, 2000
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I tried to do a quick search to see if this has been mentioned already, and I didn't find it. So...

I heard a rumor from some guys here at work that when we get a "No Post" on our beloved CUSL2, instead of clearing the CMOS by pulling the battery or shorting the on-board thingies, one can power on the system while holding down the INSERT key to do the trick.

Sure enough, when I flashed to 1002 final and didn't get video, I turned the machine off, held down the INSERT key, and turned it back on. It booted right up with default settings. Also, I tried to overclock a little more agresively with the new BIOS and after going too far so that I didn't get a POST, I did the INSERT key thing, and it came right back for me.

Hope this helps.

-CamaroGuy

 

toph99

Diamond Member
Aug 25, 2000
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i thought the CUSL2 was suppost to recognize a failed overclock attempt and automatically revert to defaul settings? is this true?
 

ceraph

Member
Aug 4, 2000
74
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Wha?

Unplug the power supply?

That doesn't do anything to the BIOS settings -- they're stored in the battery that's on the motherboard.

I'm not sure about the Insert key thing, although I suppose I'll try that whenever I decided to flash my 1001.A BIOS.
 

ginfest

Golden Member
Feb 22, 2000
1,927
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Pull the power cord off the back. Press and hold the power button for 5 seconds or so to drain the capacitors. Then boot to BIOS. I've done it, it works. Also, I've found that when originally flashing to the 1002.xxx BIOS from the stock 1001a, I had the "no video" symptom(cured by the above), after flashing to 1002.005/1002.007, and back to the 1002 final, the no video didn't re-occur.
And during any boot, pressing the "insert" key will revert the CPU speed to default.
Mike G
 

fishoil

Junior Member
Jul 7, 2000
16
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Well mine will reboot all by itself if I take up to high at a lower clock speed.......no pulling the plug should be needed.......it does take a 30 to 40 seconds to do it...
 

fow99

Senior member
Aug 16, 2000
510
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I am not sure this will work for you but it did work for my old Gigabyte BXC


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