Help needed with SMD-4 (7053) controller

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Article #11941

#11941

From: joe van andel
Date: Wed, 05 Apr 1989 02:49

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H E L P !

Thru some miscommunication, I am the `proud' owner of a Sun SMD-4
controller for my Sun 4/260, and a Fujitsu M2372K 688 Meg disk drive, with
NO apparent way to connect them.  The drive is an Sigma cabinet, with a
power supply.  The connectors are as shown:

		Cabinet					SMD-4 (7053)
Control:	60 pin 3M 2 row (ribbon) conn		62 pin 3 row 'D' conn
Data:		2 - 26 pin 3M 2 row (ribbon)		50 pin 3 row 'D' conn

Does anyone know the pinouts on an SMD-4 controller?  Could I build a
straight thru ribbon cable, and simply shift the cable to not connect some
unused pins?  Has anyone looked inside a Sun disk cabinet, attached to a
7053 controller?  Are the connections straight thru to the drive(s)?  Can
anyone recommend a 3rd party cable supplier?

Sun uses this same drive, but puts it in their own cabinet, with their own
'D' connectors.  I probably should have ordered a 451, or a Xylogics 753,
but I didn't, so does anyone have any suggestions?

Thanks in advance.  If there is interest, I'll summarize any responses.

	Joe VanAndel  		Internet:vanandel@toadwar.ucar.edu
	NCAR - RSG  			
	P.O Box 3000		Fax:	 303-497-2044
	Boulder, CO 80307-3000	Voice:	 303-497-2071

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From: vanandel@toadwar.ucar.edu (joe van andel)
Newsgroups: comp.sys.sun
Subject: Help needed with SMD-4 (7053) controller
Keywords: Hardware
Message-ID: <8903231703.AA00382@toadwar.UCAR.EDU>
Date: 5 Apr 89 02:49:26 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
Lines: 27
Approved: Sun-Spots@rice.edu
Original-Date: Thu, 23 Mar 89 12:03:51 est
X-Sun-Spots-Digest: Volume 7, Issue 226, message 6 of 12