Commodore Colt (was Re: My Collection)

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Sat Apr 14 15:23:22 2001

--- Eric Chomko <chomko_at_greenbelt.com> wrote:
> I have a WD 40AP, which is an external HD with two female DB-25 connectors
> (SCSI?) on it.

Possibly. What's the connection to the drive? If it's 50-pin, in all
likelyhood, it's narrow SCSI.

> The rotating selector switch is from 0-F (all single hex digits, 16 in all,
> twice what a Mac has -weird SCSI?).

I've seen external SCSI devices (SCSI ethernet, for example) that used
the second set of numbers to enable termination - 9 = SCSI ID 1 with
termination enabled.

> Could this device be what the C Colt can use?

Colts used internal 8-bit IDE drives (X suffix). It has 40 pins, just
like an AT IDE drive, but different at the register level (AT IDE emulates
a WD-1003 controller; I don't know what XT IDE emulates).

You can stick an 8-bit MFM/RLL controller in a Colt and go that route,
too.

-ethan


=====
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Received on Sat Apr 14 2001 - 15:23:22 BST

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