26 Mar
2001
26 Mar
'01
12:42 a.m.
--- Tony Duell <ard(a)p850ug1.demon.co.uk> wrote:
THere are good reasons for having a ground wire
between every signal wire
on the SCSI bus. Which you can't do if you have a DB25 connector. I think
youy can come _close_ if you use a DC37, but I've never seen that
connector used for SCSI.
I have a Tecmar external SCSI drive for the Amiga that has a DC37. Inside
is an ordinary SCSI<->MFM board and a 20Mb MFM drive, but the external
interface is a DC37.
Nor have I ever seen the DB44 (yes, it does exist)
used for SCSI, which,
being the same shell size as the DB25, would bave been an obvious choice.
I haven't seen it used for SCSI, either, but I have a flat-panel computer,
a 486DX4-100 w/PCMCIA, ISA, etc., etc., designed for hanging on a wall bracket,
that has a DB44 for external IDE - CD-ROM presumably. If I knew where to get
a connector, I'd take the time to run the pinout and add an external drive
to it (I had to do the same for the DB-25 floppy connector so I could boot
the thing off of something besides the internal disk).
-ethan
-tony
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