Re: Old KTX need help

Re: Old KTX need help

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Posted by Henry on February 18, 2002 at 22:49:42:

In Reply to: Old KTX need help posted by Terry on February 18, 2002 at 19:33:33:

: I have an old Pentuim KTX computer and everytime I start it up it would present the following:
: I would then go through to the CMOS Setup but I'm not sure what to do, I have noticed that the time is incorrect and so I would change to the present time and save on exit. I would then go through to start up again and the following message appears:
: - NO A/: PRESENT (or something to this affect)

: I am still able to get through to Window 95 startup but 5 mins into startup and then the mouse would stop moving and the PC would appear to lockup and so I would restart and then find that nothing would happen on screen.
: I'm hoping that someone may be able to assist me as to where I should start to fix this problem.

When your PC loses significant time when the power is OFF - your CMOS battery is weak or bad and you need to replace it; your other symptoms have the same cause.

1. Change the CMOS battery if it is in a holder and you can remove it.
2. If your battery is soldered to the board check the manual for an auxiliary battery header and install an auxiliary battery (if possible). You may be able to rig an auxiliary battery - CAREFUL with the polarity - with rubber bands and tape. If you can find someone with board repair skills you can install a battery holder in place of the soldered in battery - CAREFUL with voltage match, too.
3. If you cannot find a battery it is probably hidden in a Real Time Clock module, popular with early Pentium mainboards. That would be about a 28+/- pin chip about 3 times as thick as any other chip on the board. Could be Dallas, Houston Tech, Odin, Benchmarq or others - check your board and post the chip number (like DS12887A, HT12888A, ...) - there may be hope, but maybe not, too.

Hope this helps,

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