[4736] in linux-scsi channel archive
Re: SCA (-2 or -3) drives?
daemon@ATHENA.MIT.EDU (Jon Lewis)
Sun Sep 27 20:09:54 1998
Date: Sun, 27 Sep 1998 20:24:01 -0400 (EDT)
From: Jon Lewis <jlewis@inorganic5.fdt.net>
Reply-To: Jon Lewis <jlewis@inorganic5.fdt.net>
To: Brendan Miller <brmiller@wco.com>
cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <19980927124710.10300@xenon.kudzu.gammalink.com>
On Sun, 27 Sep 1998, Brendan Miller wrote:
> What's the deal with the SCA 80-pin connector drives? Will they work
> in a PC with the 80-50 or 80-68 adapter? Is this a safe thing if the
> "microcode" on the drive is not specifically for a Sun or some other
> beast?
>
> It is frequent that I see 80-pin SCA-2 or SCA-3 drives for sale cheap,
My guess is that since the SCA drives are typically not used in PCs, when
a drive model is discontinued, there's a limited market for it, and so you
see them showing up at places like onsale.com going for what seem to be
pretty good deals. I bought some Seagate ST15230W drives at onsale and
found the following. One was DOA (returned it for refund and bought
another the next day). They didn't include adaptors, so I had to find
them and paid maybe $20 each for them.
I don't know if its typical of SCA drives, or if the ST15230W is odd, but
the ST15230W has no built in termination...so I had to put a terminator on
the internal SCSI cable after the drive. The adaptor I got has both
68-pin and 50-pin interfaces, and I used the 50 since I had cables
available. I've got it in a P100 with 64mb and a NCR875J.
-------Sequential Output-------- ---Sequential Input-- --Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
100 2933 65.6 3092 19.0 1457 17.2 3109 70.1 4094 18.8 81.7 3.6
Not exactly a speed demon, but it works and isn't IDE :)
------------------------------------------------------------------
Jon Lewis <jlewis@fdt.net> | Spammers will be winnuked or
Network Administrator | drawn and quartered...whichever
Florida Digital Turnpike | is more convenient.
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