Re: VaxStation 3100 Replacement Disk
From: Hans Vlems (hvlems.nieuw_at_zonnet.nl)
Date: 09/05/03
- Previous message: Ben Myers: "Re: Alpha XL266 startup problem"
- In reply to: Chris Scheers: "Re: VaxStation 3100 Replacement Disk"
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Date: Fri, 5 Sep 2003 21:12:13 +0200
"Chris Scheers" <chris@applied-synergy.com> schreef in bericht
news:3F579895.B4E64E0F@applied-synergy.com...
> Hans Vlems wrote:
> >
> > "Wolfgang Rupp" <spamtrap@coredump.at> schreef in bericht
> > news:bj578s$fjq41$2@ID-3131.news.uni-berlin.de...
> > > Randy Park <rjpark@mindspring.nospaam.com> wrote:
> > > > VaxStations 3100/30
> > >
> > > Any SCSI disk <=1GB should do. Beware! 3100/20-76 have a bug that
prevent
> > > them from booting larger than 1GB disks under VMS. I forget what
exactly
> > > it is, but some logical wrap-around causes the boot loader to hickup.
> > >
> > > There is always the HP parts exchange, but that tends to be expensive
for
> > > disks (not so for KGPSA, though, I was positively surprised).
> > >
> > It is not a matter of a bug but rather a design limitation in the boot
rom's
> > in the 3100's that is causing this problem. The system will boot but if
one
> > or more parts of the bootstrap software happen to live above the 1 GB
limit
> > then VMB cannot locate the software. As long as you are sure all
relevant
> > VMS software lives below 1 GB then a 3100 will happily boot from a 4 GB
> > disk.
> >
> > Hans
>
> There is one other caveat:
>
> Make sure that your dump file is in the lower 1GB. I believe that the
> ROM routines are also used to write the dump file.
>
> You also need to be careful if the dump file gets extended.
>
Correct. Because of all these little things to remember it is perhaps just
as safe to pronounce that booting from a disk over 1.05 GB is just not
possible. It is perhaps not entirely technically correct but it is for sure
the safest way to go...
- Previous message: Ben Myers: "Re: Alpha XL266 startup problem"
- In reply to: Chris Scheers: "Re: VaxStation 3100 Replacement Disk"
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