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From: g91b8566@cs.ru.ac.za (Arne Bier)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Max performance with AHA-1542CF and ST31230N
Date: 17 Jul 95 19:58:05 GMT
Organization: Computer Science Department, Rhodes University
Lines: 31
Message-ID: <g91b8566.806011085@omega>
NNTP-Posting-Host: omega.ru.ac.za
Summary: get max performance out of SCSI setup
Keywords: AHA-1542CF,ST31230N,performance
X-Newsreader: NN version 6.5.0 (NOV)
I would like to know if anyone has successfully made use of the 'fast' 10MB/s
transfer rates of an AHA-1542CF SCSI-2 adapter under FreeBSD.
Our system looks like this:
Cyrix 486Dx2 66
16 MB RAM
EISA/VLB
AHA-1542CF
Seagate ST31230N 1.06 MB SCSI-2
FreeBSD 2.0.5
The AHA's setup is currently setup for 5MB/s transfer and Sync Negotiation
and FAST SCSI options are set to 'no'.
Is the ST-31230N capable of handling more than 5MB/s and Sync Negotiation etc?
.ie has anyone sucessfully done it under FreeBSD 2.0.5 ? The BIOS warns that
"most systems don't handle >5MB and that data may be lost etc".
I have been looking for a detailed source on Seagate drives but so far all
I've found is
bite.db.uth.tmc.edu:/computer_info/technical/hd/Seagate
which lists lots of technical details except the stuff that I'm looking for!
Any help appreciated :)
--
Arne Bier +---------------------------------------+
| csar@cs.ru.ac.za |
Computer Science | http://www.rucus.ru.ac.za/~arne/ |
Rhodes University, South Africa +---------------------------------------+