Re: EIDE Seagate ST31720A: no cache

Steve Kump (skump@inch.com)
Sat, 19 Jul 1997 15:31:08 -0400

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> I've just checked on the drive in question, ie the Seagate ST31720A, and
> the technical specifications from the company state that the hard drive
> has in fact a 128K cache buffer.
>
> I got this from the Seagate homepage at
>
> http://www.seagate.com/cgi-bin/view.cgi?/at/st31720a.txt
>
> So there is no "problem" with the drive. Interesting, though. A similar
> problem occurs on the probing of certain Quantum models of EIDE drives.
> Anyone faced similar problems with other drives ?

I get the same thing with a Panasonic LK-MC686BP Atapi CD-Rom (detected
as a CR-585). Kernel and hdparm report BuffSize=0kB while the specs
say it has 128kB cache. Works fine, in any case, I get over 1.5MB/s
transfers (non-cached).

--
Steve Kump <skump@inch.com>

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