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Article #19717

How do I connect a second disk to a Seagate ST22R?

#19717
From: Nikolaus R. Haus
Date: Mon, 25 Jan 1993 13:47
34 lines
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Hello, netlanders!

I just re-inherited (it's a brief story, but I still don't feel like telling
it) a MiniScribe 20Mb FlashCard hard disk. I have a Seagate ST22R controller
in my system, and a Maxtor disk already hooked up. I would like to use the
Seagate controller for both drives (it's 16-bit: the controller that comes
with the MiniScribe has an 8-bit interface).

So, maybe I'm doing something dumb, but I can't seem to get this to work. 
I detached my Maxtor and hooked up the MiniScribe as C:, and the SeaGate 
BIOS ran me through the format no problem. This concluded my test of whether 
the controller could talk to the disk at all (it can).

Next, I crammed a new plug on the cable running out of J2 (the big connector)
on the controller so that I could connect it to 'J1 on both drives', as the 
seagate manual sez to do. I didn't put any twists or anything in the cable.
I hooked the little connector of the MiniScribe to J4 on the controller, and 
figured I was all set.

Not so. Both drives acted in sync, indicating to me that the controller 
thought they were both drive C:. 

So, I tried the floppy cable instead of the big HD cable, figuring that the
twist in the cable might have something to do with it. If I use just my 
Maxtor on the untwisted connector, all is well. With the MiniScribe hooked
up to the twisted connector, same problem as before.

So. Can anyone tell me how to get two disks hooked up to my Seagate 
ST22R?

Thanks for yer help!

-nik
Technical Details
Message-ID: <1993Jan25.134717.7993@philabs.philips.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!scifi!acheron!philabs!nrh

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Newsgroups: comp.sys.ibm.pc.hardware
Path: arc1-ca.pugleaf.net!sparky!uunet!scifi!acheron!philabs!nrh
From: nrh@philabs.philips.com (Nikolaus R. Haus)
Subject: How do I connect a second disk to a Seagate ST22R?
Message-ID: <1993Jan25.134717.7993@philabs.philips.com>
Originator: nrh@philcat1
Keywords: second hard disk seagate st22r
Sender: news@philabs.philips.com (Mr. C. News)
Reply-To: nrh@philabs.philips.com (Nikolaus R. Haus)
Organization: Philips Laboratories, Briarcliff, NY 10510
Date: Mon, 25 Jan 1993 13:47:17 GMT
Lines: 36