8 Jul
2002
8 Jul
'02
2:21 p.m.
Still playing with my Professional 3xx boxes. Managed to clean one
memory board of 8264 chips; will populate with 50256s when I locate
my bag of 16 pin sockets. On the software side, I managed to get
my RD51 with Pro/Venix 1.0 up and running on a 640KB Pro350. It was
a gift some years ago; the donor even brought it by my house - no
pickup! He didn't recall the root password, so I stuck it in the back
of the basement and only recently dug it out.
So... even though I have the manuals, it's not obvious how to get
a Pro to enter single-user mode. Any suggestions? Barring that,
I suppose I could wipe and re-install, but I'd like to poke around
to see what's on the disk first.
Thanks,
-ethan
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8 Jul
8 Jul
2:21 p.m.
If you truly succeed in upgrading the memory board from 64K to 256K
chips, be sure to let us know. I seem to recall that it's impossible!
(The required signals aren't on the board?).
Are you sure it's Pro/Venix and not Venix/Pro? (If it's Venix/Pro,
the root password may be "gnomes".) If you do have floppies for
Pro/Venix, again please let us know. I don't know of any surviving
Version 1 Pro/Venix floppies. (Venix/Pro is easily available on the
'Net.) Version 1 Pro/Venix floppies should be put in the Ancient
Unix archive.
Dave
Ethan Dicks wrote:
Still playing with my Professional 3xx boxes. Managed to clean one
memory board of 8264 chips; will populate with 50256s when I locate
my bag of 16 pin sockets. On the software side, I managed to get
my RD51 with Pro/Venix 1.0 up and running on a 640KB Pro350. It was
a gift some years ago; the donor even brought it by my house - no
pickup! He didn't recall the root password, so I stuck it in the back
of the basement and only recently dug it out.
So... even though I have the manuals, it's not obvious how to get
a Pro to enter single-user mode. Any suggestions? Barring that,
I suppose I could wipe and re-install, but I'd like to poke around
to see what's on the disk first.
Thanks,
-ethan
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--
David C. Jenner
djenner(a)earthlink.net
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9:22 p.m.
--- "David C. Jenner" <djenner(a)earthlink.net> wrote:
If you truly succeed in upgrading the memory board
from 64K to 256K
chips, be sure to let us know. I seem to recall that it's impossible!
(The required signals aren't on the board?).
According to the Pro FAQ, it's possible. There's a "W1" and
"W2"
jumper you have to populate (marked on the top of the board). I
presume that's the missing address line (i.e., it's NC for 64kbit
chips and connected for 256kbit chips).
As I said, I've cleaned off the old chips. I haven't found my bag
of machined pin sockets that I bought at Dayton. Should be close
to the top of the pile, though. As a side note, does anyone have
a good source for surplus/inexpensive machined pin IC sockets? I'd
be happy with just the pins (they were sold in strips, but I forget
the brand name). I lack 8-pin, 14-pin and 16-pin sockets. I have
a quantity of 20-pin sockets and a pad or two of 22-pin "skinny DIPs"
that were surplus from Software Results (PAL sockets). Wouldn't mind
some 40-pin sockets, either.
Are you sure it's Pro/Venix and not Venix/Pro?
No. Not sure. You are probably right. I don't think it's anything
rare and special.
(If it's Venix/Pro, the root password may be
"gnomes".)
I know about that password (googling for "venix root password" will
find it). It didn't work. :-( I'm back to either finding a way
to single-user mode or wiping and re-installing the OS.
-ethan
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