Re: Need to replace my CMOS battery on my 10/18/96-i430VX-10031996C-00 motherboard

Re: Need to replace my CMOS battery on my 10/18/96-i430VX-10031996C-00 motherboard

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Posted by Henry on March 01, 2002 at 21:52:54:

In Reply to: Need to replace my CMOS battery on my 10/18/96-i430VX-10031996C-00 motherboard posted by Sharon Ballgae on March 01, 2002 at 12:11:13:

: My CMOS on my 10/18/96-i430VX-10031996C-00 motherboard is bad. How can I replace the CMOS battery on this motherboard? It is not a normal, CMOS battery, which can be easily replaced. It seems the CMOS battery might be in the realtime clock, which is soldered on the motherboard.

: If this is the case, how do I replace or recharge the CMOS battery on this motherboard? Is there a way to flash/recharge the CMOS battery somehow?

: Any support on this would be greatly appreciated Henry!

: Sharon Ballgae

If you can't find an onboard battery it is almost certainly hidden (possibly encapsulated) in your Real Time Clock module. Your alternatives will depend on the RTC module you have and if the board maker (PC Chips) planned ahead. Please post the RTC chip number (like DS12887, HT12888B, VT82885N, ...); RTC makers included Dallas Semiconductor, Houston Tech, Odin, Benchmarq, VIA and others.

If you are lucky you have an onboard (probably) four-pin header (row of pins) with one pin (key) missing that is intended for you to install an auxiliary CMOS battery. Check your mainboard manual and inspect the board carefully, especially around the RTC module.

Some of the older RTC chips were not Y2K compliant; they are no longer available but there are Y2K compliant subs for some of them (they usually require a BIOS update to use the sub).

If we can't find a cheap fix you will spend your money more wisely on a mainboard upgrade - even if it is just a late model Socket 7 board, same form factor as you have now. Cheapest fix is just ignore it and reset your CMOS every time you start the PC; run on a UPS. One fellow just leaves his PC on constantly - no problem!

Hope this helps and please post your RTC mmodule number(s) - also - how are your board repair (desoldering and resoldering) skills?.

Good Luck,

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