ESV@PSUVM.BITNET (CAC) (11/10/89)
I need some help with a no slot clock in my PC compatible transportable.
Its one of those clock chips in a socket that sits under your bios, with
a lithium battery as part of the socket. It seems either the battery is
going dead or it just won't power the clock chip because it loses track of
the time (don't we all sometimes) defeating the purpose of having a clock.
The problem is that instead of being plugged into the bios socket on the
motherboard, its piggybacked soldered on the top of the bios, which as
luck would have it, is also soldered to the motherboard.
Now, I could buy a new no-slot clock and install it but I feel just a
teenie bit afraid of taking a soldering iron to my bios. Don't get me
wrong, I like to live on the edge just as much as the next guy, my hard
disk is an RLL formatted MFM drive working just fine (for now). But I
just can't bring myself to take an ungrounded iron to a rom, not having
much luck de-soldering 14 and 16 pin chips.
What I'd like to do is attach another battery, (lithium or whatever) onto
the power pins of the clock chip and remote said battery to a convenient
place in my computer. What I need to know is if anyone knows:
1) What voltage battery these things typically use, (3,5,7...)
2) Which pins on the clock chip are for power
The chip is made by Dallas Semiconductor.
If anyone could give me an address or phone # of Dallas Semiconductor
it would help since the documentation does not include either.
Please E-mail response to:
ESV@psuvm.bitnet
Thanks in advance!
Andrew Coll ESV@psuvm.bitnet