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Article #12959

Re: CDC 9720-1230 experience

#12959
From: ekrell
Date: Tue, 16 May 1989 17:43
15 lines
1245 bytes
>#1:  You cannot use the SUN XD7053, you need a Xylogics 753 certified for
>the 3.0 transfer rate.  The SUN controllers don't always have drivers
>which are fast enough for the 3.0 rate.

I'm using a SUN SMD-4 (the 7053) with a CDC 9720-1230 drive and I've never
had any problems, so the SMD-4 does handle 3 MB/s transfer rates.  I know
the documentation for the SMD-4 says that it will only support up to 2.4
transfer rates, but I called SUN technical support and they said it really
does support 3.0 transfer rates.  I guess the most convincing argument is
the fact that it works fine.


Eduardo Krell                   AT&T Bell Laboratories, Murray Hill, NJ

UUCP: {att,decvax,ucbvax}!ulysses!ekrell  Internet: ekrell@ulysses.att.com
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From: ekrell@ulysses.att.com
Newsgroups: comp.sys.sun
Subject: Re: CDC 9720-1230 experience
Keywords: Hardware
Message-ID: <8905161743.AA23974@hector.homer.nj.att.com>
Date: 16 May 89 17:43:47 GMT
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Organization: AT&T Bell Laboratories
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X-Sun-Spots-Digest: Volume 7, Issue 297, message 2 of 18