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Fri, 11 Sep 1998 08:58:40 -0400 |
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At 07:54 AM 9/11/1998 Will Stephenson wrote:
>
>I have a client with a Dell Pentium Pro 200 server with CD-ROM, sound card,
>64 MB RAM, 2 GB HD, internal Zip drive (IDE). Works like a charm, except for
>the keyboard. Once in a while (no discernable consistency), the keyboard
>stops working. Unplugging it and plugging it back in seems to reenergize it
>(strangely enough). We got a new keyboard from Dell, and though it seemed to
>happen less frequently for a while, it's doing it more again.
Will:
It could be marginal signal/power to the keyboard or
a faulty Keyboard BIOS (on the motherboard).
First, test the power supply with a DMM.
Next test voltage on the keyboard port (pin 5 on a
DIN port, pin 4 on a mini-DIN; but use a reference
chart). If voltage is low try a smaller, more energy
efficient keyboard.
If you have warranty coverage, ask Dell to replace
the motherboard and/or the power supply. If it is
your client's dime, try replacing the Keyboard
BIOS first (part, about $10).
Regards,
John Chin
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