[2688] in RedHat Linux List
Re: Question about SCSI devices
daemon@ATHENA.MIT.EDU (Allen Francom)
Tue Nov 5 00:33:56 1996
Date: Tue, 5 Nov 1996 10:50:39 -0800 (PST)
From: Allen Francom <afrancom@numedics.transport.com>
To: redhat-list@redhat.com
cc: Red Hat <redhat-list@redhat.com>
In-Reply-To: <327EA5AD.7BA6409F@netwalk.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
I hate SCSI !
Actually, it works pretty good until you get the one adapter that isn't
supported !
I have Adaptec 2940 for a monkey.
These, and perhaps yours require a special compilation option.
Additionally, there are numerous FAQ's, many of which cover Adaptec.
I know that some need a firmware upgrade.
Of course, if yours works when it is alone, then maybe there is a
hardware conflict. If you can't talk to it at all, then there is
probably an answer burried in the SCSI HOW-TO (new one) regarding your
particular adapter.
Do you need to have the tape on a different controller ? They are
low overhead devices...
Also, there are sometimes kernel boot time parameters that have been
known to actually work sometimes, like changing the base io address, or
IRQ of the adapter in /etc/lilo.conf for the given kernel image...
Sometimes this doesn't work when a driver ignores 'em...
If one of those topics doesn't do it, then I'm out. Sorry for lack
of specific fix...
THX
-AEF
On Mon, 4 Nov 1996, J. Allen Crider wrote:
> I have a question about getting all of my SCSI devices recognized by
> Linux. My hardware configuration is as follows:
>
> Gateway 2000 P5-90 with 64 MB RAM
> 2 EIDE hard drives
> BusLogic BT-958 SCSI adapter
> Adaptec AHA-1542CF SCSI adapter
> 2 SCSI hard drives, both connected to BT-958
> 3 Plextor CD-ROM drives (2 on BT-958 and 1 on AHA-1542CF)
> SyQuest EZ135 external SCSI connected to BT-958
> DAT tape backup unit connected to AHA-1542CF
>
> I am running the official Red Hat Linux 4.0 with a few packages from
> Caldera Network Desktop installed (primarily the font server and
> backup software) and most of the updates from the Red Hat ftp site. I
> have tried recompiling the kernel, but I am currently running the
> kernel installed by the Red Hat installation program. All of the
> devices connected to the BT-958 are recognized and working well, but
> the AHA-1542CF and devices connected to it are apparently not being
> recognized. This is especially critical since my TBU is on the
> AHA-1542CF, and, less importantly, the CD-ROM drive connected to the
> AHA-1542CF is the only one connected to my sound card as the others
> are installed in an external SCSI tower, so I am unable to play audio
> CDs through the sound card.
>
> If anyone can tell me how to get these other devices recognized, I
> would really appreciate it.
>
> J. Allen Crider
> Reynoldsburg, Ohio
> acrider@netwalk.com
>
>
> --
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