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Article #14060

Re: What 486motherboards work with Buslogic 542B SCSI

#14060
From: Chuck Forsberg
Date: Fri, 01 Jan 1993 20:59
30 lines
1842 bytes
In article <1993Jan1.115712.1440@news.cs.indiana.edu> "Michael Squires" <mikes@moose.cs.indiana.edu> writes:
>In article <926@gdx.UUCP> jay@gdx.UUCP (Jay Snyder) writes:
>>
>>
>>When I use it under SCO Xenix (2.3.2GT + UFN + xnx339), everything
>>works fine until I load X (Roell's -- ported by Per Linquist).  Then
>>it crashes within minutes.
>>
>>This is also the case with non-GT Xenix on the same board (which is
>>non-scsi, and in theory, shouldn't even try to access the board).
>
>This suggests that you have memory problems, caused either by marginal
>SIMMs or a motherboard with ringing/noise on the memory bus.  In either
>case only substitution will find the problem if this is true.
>
>I've never found a diagnostic package that would test things as well
>as just booting and installing SCO UNIX.

Not so long ago I went thru several motherboards in search of
one that operated properly with more than 16MB main memory.  I
never found an ISA board that would pass a through memory test
program, let alone Unix under load.

I ended up with an EISA motherboard.  The EISA motherboard has
been running ODT with 32 MB for some time.
-- 
Chuck Forsberg WA7KGX          ...!tektronix!reed!omen!caf 
Author of YMODEM, ZMODEM, Professional-YAM, ZCOMM, and DSZ
  Omen Technology Inc    "The High Reliability Software"
17505-V NW Sauvie IS RD   Portland OR 97231   503-621-3406
Technical Details
Message-ID: <1993Jan01.205952.10674@omen.UUCP>
Path: arc1-ca.pugleaf.net!sparky!uunet!omen!caf
References: <926@gdx.UUCP> <1993Jan1.115712.1440@news.cs.indiana.edu>

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Newsgroups: comp.sys.ibm.pc,comp.sys.ibm.pc.hardware,comp.unix.xenix.sco
Path: arc1-ca.pugleaf.net!sparky!uunet!omen!caf
From: caf@omen.UUCP (Chuck Forsberg)
Subject: Re: What 486motherboards work with Buslogic 542B SCSI
Organization: Omen Technology INC, Portland Rain Forest
Date: Fri, 01 Jan 1993 20:59:52 GMT
Message-ID: <1993Jan01.205952.10674@omen.UUCP>
References: <926@gdx.UUCP> <1993Jan1.115712.1440@news.cs.indiana.edu>
Lines: 30