Re: SCSI adapter shot?
wmreinemer_at_tns.net
Date: 07/14/05
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Date: 14 Jul 2005 11:18:54 -0700
Haines Brown wrote:
> I have three SCSI disks attached to an Adaptec 39160. All disks have
> bootloaders set up, but BIOS or the adapter chooses to boot the third
> disk on the bus (the BIOS gives each disk the same description, and so
> can't juggle their order there and am not sure how I would tell it to
> first probe for a bootloader on one disk rather than another).
>
> I ran into a problem that with two disks, instead of the bootloader
> loading after the scsi device scan, I get just a blinking line; with
> the third, I get garbage. I hear the drive being accessed, and so
> presume the bootloader is being sought, but it apparently the adapter
> can't pass it back to the BIOS (if that what's supposed to happen).
>
> I can boot from a floppy OK, and so assume that the problem is not in
> the motherboard BIOS (board is only three years old), but in the
> adapter's BIOS.
>
> I get the same result when I boot each disk by itself. I've done
> nothing with hardware, and the problem just poped up when I last had
> to reboot.
>
> I can try the alternate bus of the two, but whether or not that
> suceeds, does it look like an adapter problem? If so, how would I
> check it out (other than hardware substitutions)?
> --
>
> Haines Brown
> KB1GRM
**
The boot device on the scsi bus is asigned in the scsi adaper bios.
each scsi device needs a unique address. The adapter bios can be
accessed by <ctrl>+a during computer bootup.
Walt R.
**
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