Subject: Re: Dilog SQ706 voodoo
To: David Evans <dfevans@bbcr.uwaterloo.ca>
From: Jamie Lovick <jalovick@doof.org>
List: port-vax
Date: 04/29/1999 14:00:28
On Wed, 28 Apr 1999, David Evans wrote:
> Carl Lowenstein wrote:
> >
> > Some (PC) SCSI host adapters (controllers) use ID=0 for themselves. So
> > you can't use that ID for a drive.
> >
> > Most (workstation) SCSI host adapters use ID=7, so you don't use that ID
> > for a drive.
>
> But SGI, in fact, uses 0. What jokers...
Generally, problems with machines not booting off disks set at ID 0, are
related to the controller trying to poll the disk and boot off it, before
the disk is ready. This is more often a problem with the disk not being
spun up (expecially if the machine has just been powered up), or if the
disk isnt set to spin up, untill its talking to the bus.
These days, SCSI disks startup fairly quickly, and it is less of a
problem.
Seeya
Jamie
--
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