Steven M. Schweda wrote:
> From: shadoooo
>
>> The 3100 has some problem to boot the OS. Thre disks (two RZ23) seems
>> to work, but if I boot it, only the first row of text presenting VMS
>> 5.3 appears, then the system seems to search something on all other
>> SCSI devices connected, in sequence, until an HALT error appears...
>
> Sounds as if your hardware is not all that it should be.
>
> Is that a MicroVAX 3100 or a VAXstation 3100?
>
> No matter how old the VMS version, I would look for a nice 1GB SCSI
> disk to use instead of an RZ23. If your RZ23's still work, you can
> always find them new homes in some old Macintoshes, where 100MB would
> look big.
>
> I would not bother with any VMS version older than V5.5-2, which is
> the last of the V5 series. If you think that CD images of V5.4,
> V5.5(-2), or something newer might be useful, send me some e-mail.
>
> ------------------------------------------------------------------------
>
> Steven M. Schweda sms@antinode-info
> 382 South Warwick Street (+1) 651-699-9818
> Saint Paul MN 55105-2547

???????

ISTR that MicroVAX 3100s have some restrictions on the size of disks
they will boot from. Before you waste big bucks on GB SCSI disks, check
out what's supported. I think you can use just about anything for data
but there are restrictions in the firmware that limit the size disk you
can boot from. Actually, it's not the size per se, but everything you
need to boot the system must be in the FIRST X megabytes of the disk.

On Thu, 09 Oct 2008 18:16:14 -0700, Richard B. Gilbert
wrote:

> Steven M. Schweda wrote:
>> From: shadoooo
>>
>>> The 3100 has some problem to boot the OS. Thre disks (two RZ23) seems
>>> to work, but if I boot it, only the first row of text presenting VMS
>>> 5.3 appears, then the system seems to search something on all other
>>> SCSI devices connected, in sequence, until an HALT error appears...
>> Sounds as if your hardware is not all that it should be.
>> Is that a MicroVAX 3100 or a VAXstation 3100?
>> No matter how old the VMS version, I would look for a nice 1GB SCSI
>> disk to use instead of an RZ23. If your RZ23's still work, you can
>> always find them new homes in some old Macintoshes, where 100MB would
>> look big.
>> I would not bother with any VMS version older than V5.5-2, which is
>> the last of the V5 series. If you think that CD images of V5.4,
>> V5.5(-2), or something newer might be useful, send me some e-mail.
>>
>> ------------------------------------------------------------------------
>> Steven M. Schweda sms@antinode-info
>> 382 South Warwick Street (+1) 651-699-9818
>> Saint Paul MN 55105-2547
>
> ???????
>
> ISTR that MicroVAX 3100s have some restrictions on the size of disks
> they will boot from. Before you waste big bucks on GB SCSI disks, check
> out what's supported. I think you can use just about anything for data
> but there are restrictions in the firmware that limit the size disk you
> can boot from. Actually, it's not the size per se, but everything you
> need to boot the system must be in the FIRST X megabytes of the disk.

This comes up from time to time and as I recall (I think Hoff responded to
this)
there is an address field in the ROM that isn't wide enough so it will
overwrite
itself for anything larger. I have a patched ROM that I got from Wolfgang
Moeller
but you would have to have the ability to burn some PROMs that are likely
no longer
available.

google for Moeller VAX ROM


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