Path: utzoo!utgpu!watmath!clyde!att!osu-cis!killer!pollux!dalsqnt!usl!usl-pc!jpdres10
From: jpdres10@usl-pc.usl.edu (Green Eric Lee)
Newsgroups: comp.sys.amiga
Subject: Re: ST225 HD advice needed
Keywords: st225 hardrive seagate wedge
Message-ID: <163@usl-pc.usl.edu>
Date: 10 Jan 89 23:26:06 GMT
References: <1268@ndmath.UUCP>
Organization: Univ. of Southwestern La., Lafayette
Lines: 36

In message <1268@ndmath.UUCP>, rsn@ndmath.UUCP (Ross Niebergall) says:
>I recently aquired a Seagate ST225 hardrive and an IBM 1501492 controller
>and I am interested in hooking this up to an Amiga 500.  I think that

Probably the cheapest way to do it is
    a) a C. Ltd. SCSI slap-on-the-side controller (around $180 or so
mail-order), and 
    b) an Adaptec 4000 SCSI-to-ST506 converter (around $80 from a
number of vendors in Computer Shopper).
    You will also have to make up a custom ribbon cable to go from the
C. Ltd.'s internal header connector to the Adaptec 4000's header
connection. The C. Ltd. comes with a standard Macintosh cable (DB25 to
Centronics-style), which I don't think works for the Adaptec. 

Another note: You'll need an external case with power supply. You can
buy those out of Computer Shopper for around $70-$80, or you may be
able to scavenge them locally (e.g., I have a dead Commodore SFD-1001
disk drive, and an old IBM Astec 130w supply that my brother's company
threw away when they upgraded to a heftier supply).

Good luck. It should be apparent, by now, that the disk drive
mechanism is the least of costs when building a hard disk subsystem
for the A-500 or A-1000.

Note: You can use the standard Amiga 500 power supply with the SCSI
controller (although it will not, of course, power the hard drive).
But I recommend not using an external floppy drive if you do so, since
the A500 power supply will only barely power a stock A-500 with two
floppies.  The internal floppy plus the external hard drive should
suffice, eh? Of course, if you scrap the A-500 power supply and wire
in a surplus IBM supply instead... anybody have a source for those
funky square 6-pin DINs that Commodore uses?

--
Eric Lee Green                            P.O. Box 92191, Lafayette, LA 70509
   {uunet!dalsqnt,killer}!usl!elg