IT Employment
by lordinfidel
A rule of thumb with motherboards...
If you have to change a component on it more than once, then you need to look at the motherboard.
It's normal for the cmos battery to eventually go dead, but if you put another "fresh, new" one in and it does the same thing. Then you need to look at replacing the mother board.
It's like, "I put in a sound card in slot one, and it burnt up, so I put another one in the same slot and the same thing happened, well then the slot is bad/hence the MB is bad."
It happens.
by guruofdos
Are you sure the replacement battery is ok?!! Daft question, I know, but I'VE done it myself!!
If you have access to a multimeter, measure the terminal voltage of the (unconnected) battery. It should read 3.6v as a MINIMUM (assuming you have the fairly standard CR2032 coin cell) and it is 'fresh'. If you can (and it may require some ingenuity...do it with the bobo OUT of the case!!) measure the voltage in-situ, and it has dropped significantly (i.e., below 3.3v) then the battery is either faulty OR the motherboard has a fault in the CMOS back-up circuitry. If that is the case....new mobo is the only practical answer to cure the problem (unless you are an EXPERT on soldering on multilayer PCBS) or alternatively, if changing the mobo is not feasible, you'll have to leave the power on so the CMOS doesn't lose it's settings.
The SIS you refer to is just the chip-set....SIS do not make mobo's. I'm willing to guess it may be a PC Chips Mobo....sorry, but you pays ya money and takes yachoice!!!!!
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