hi,
On Wed, Sep 19, 2001 at 04:59:48PM -0400, Dan Veeneman wrote:
> I've got four DG AV 4300's sitting in the next room. Each of them has a QIC
> tape drive. I got them without documentation and I haven't had time yet to
> even boot them up.
>
> If someone has instructions on how to break into root I'd be happy to try it
> out, and/or if there's a way to read the NVRAM without booting the OS I'll
> be happy to try that, too.
after pressing 'on/off' button, during startup hold 'reset' button on the back
side, it will fall into firmware. then you should be able to boot into single
user mode from harddisk typing:
b ncsc(sd(0),0) -s
this worked fine for me, i had the same problem some time ago.
ncsc is scsi controller, if you are not sure which one you have, you could try
to run tests in firmware, it will show it to you. (i am not sure if 4300 is
not using icsc one)
i have AV 530 and AV 4300, but no OS at this time (i am waiting for DG/UX
media). if i could help later, i'll be glad to do it.
> BTW, I'd love to trade the 4300's for classic HP gear...
what about donate one to NetBSD m88k-port developers (work is in progress)? :)
btw. i have another problem. i have Sony GDM-1601/8 monitor (shipped by Data
General with own logo) connected to my AV 530 with graphics card by 3 BNC RGB
cable made from standard 50ohm coaxial cables (i know there should be 75ohm
ones, but i just wanted to try it). i am not sure if 3 cables are enough
because that monitor has 5 BNC connectors (2 additional ones for horizontal
and vertical sync). i tried to find any docs but without success (no info
about 1601/8, just 1601 and 1601/6). problem is that picture on monitor looks
like with higher frequency than monitor can handle or without some sync, lines
are shifted to each other and it is shaking a bit. i hoped that sync on green
was enogh but now i am not sure. graphics card i have is some data general 8
B/P GRAPHICS CARD shipped with that AV 530 (monitor was probably used with
another machine).
any help will be appreciated.. thanks
bye,
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Received on Thu Sep 20 2001 - 08:12:02 BST