Liam Proven wrote:
On 23 March 2013 17:29, Holm Tiffe <holm at
freibergnet.de> wrote:
Hi all,
I've got some ugly dirty VAXstation lately, an 3100/M76 and two
3100/M38 (if I remember correctly).
I've cleaned the M76 and got it to work. Inside is an 200MB RZ24 Disk
ans since I want to boot some Unix this is pretty small.
I have a bunch of IBM DCAS3330 4Gig disks that where a good fit I think,
but there is a problem with the System disk size on the VS3100..
The limit is coming from using six byte SCSI commands instead of the then
byte versions in the boot software. I googled a litte and found this:
:Yes. It's a limitation imposed by the boot
ROMs. Just ran into it
:(again!) a few weeks back and DEC reminded me yet again. Some confusion
:exists because -- I think -- some models of the 3100 were
:field-upgradable to have a new ROM set capable of supported >1 GB boot
disk.
No member of the *VAXstation* 3100 series support system disks larger
than 1.073 gigabytes, and there are no ROM upgrades available.
There are some members of the *MicroVAX* 3100 series that support or
can have console ROMs upgraded to support system disks larger than
1.073 gigabytes.
I do have KA43 V1.2 Bootroms in the M76, so the question is:
Are there newer ROM versions than 1.2 und is there support for larger
System disks? Burning Roms is no problem. Does someone have a newer
firmware version?
I know that I can use the 200MB Disk to boot and use the larger for data,
but at least I do have a mechanical problem here, I had to make some
plastic Bumpers to mount the additional disk in the VS3100 on the lathe.
I would better use the RZ24 in one of my PDP 11's...
I think that I have a spare 1GB SCSI disk, maybe two. Free for the
cost of postage. Shouldn't be too much from UK???DE, if I use surface
post.
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Yes Liam, From UK to germany it is doable, I'll happily pay for the
shipping.
Please drop me a mail with payment instructions, Paypal?
Regards,
Holm
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