On Saturday 27 April 2002 08:52 pm, ME wrote: > On Sat, 27 Apr 2002, Ryan wrote: > > After it's been off AC, I go to turn it on, and it whines about a CMOS > > checksum error, and my settings have been reset to thier defaults. > > Is this a home-built system, or made by a vendor? > > If built by a local vendor or by a buddy, then I would suspect power > supply and/or how it is connected to the motherboard.
Local vendor > How old is the system? (I seem to recall you said 2 or 3 years, but am not > sure.) About a year and a half, motherboard was replaced 6 months ago > On a related question, if on a power strip, what happens if you leave the > power strip "on" but halt the computer and reboot "sfot reboot via > control-alt-delete? Not a problem > How about leave plugged in, and AC on, put cycle the > power switch? How about power down, unplug, plug in, power on? It lost my CMOS settings after an hour when a car hit a power line last week, was fine when off for a few seconds. > About how much time off of AC is required for this to happen? (Right away > or hours or ?) > > > Leaving it soft-off overnight didn't cause me any problems. > > Is soft-off the same as "standby mode" where it is sleeping, or "sleep > mode" where it is low power, but in use or suspend mode where an image of > memory is written to disk, and then upon powering up the image is read > into memory toa llow the machine to pick up where it left off? Soft off == PSU on, plugged in, but fully powered down. (it cold boots when i turn it back on) > We still have: > power (we ruled out the battery itself, but the socket for the battery, or > the power supply and feed to the mb are possible too.) > CMOS/BIOS chip(s) (failure) > connection of chip to board > motherboard failure/short (This includes setting a jumper to reset flash > BIOS to factory configs - possible. Look for it. If set, unset.) I gotta dig up my manual. if the reset jumper is set I'll scream. How would you sugguest checking the others? > What I can think of right now. Cant remember others. :-( > > There may be others, but power seems a good place to check. > (Other lister reader welcome to make additions. :-) _______________________________________________ vox-tech mailing list [EMAIL PROTECTED] http://lists.lugod.org/mailman/listinfo/vox-tech
