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  Author  Subject: Re: Compaq prosignia vs
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Posted on 05-06-2003 09:10 p.m. ET  reply

Original Poster: Mark Krentel

> I bought a tower Compaq Prosignia VS and found there to be no hard drive. I
> tried installing hd'd i had and they have too small of a connection, where
> can i buy one that will work for cheap?

Compaq machines (especially ones for business clients) often come with
builtin SCSI controllers, and I'm guessing that's your problem. Count
the number of pins on the connector. 40 pins on a 2" wide ribbon
cable is IDE (10 pins/inch in two rows), 50 pins on a 2.5" ribbon
cable is narrow SCSI (also 10 pins/inch in two rows), and 68 tiny pins
on a small D-shaped connector is wide SCSI. Ironically, wide SCSI
uses a smaller cable than regular SCSI or IDE, even though it has more
pins.

Anyway, depending on the machine, you likely have a builtin SCSI
controller on the mobo and you may or may not have IDE controllers.
Of course, you have to match the disk (and all devices) to the
controller, although you can put normal SCSI devices on a wide cable
with an adapter.

So, if the board only has a SCSI controller, then you'll either need
to get an IDE controller card or else use a SCSI disk.

And Dennis is right that Compaq machines often put half of their BIOS
on a 32 meg DOS partition at the beginning of the disk. If this is
that type of machine, you'll need to download a zip file of about 4
floppies before you can get into the BIOS. It's quite a mess.

--Mark

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