29 Oct
2000
29 Oct
'00
1:30 a.m.
At 08:23 AM 10/29/00 -0500, Neil wrote:
OK I knew it was something like that. The point is that there a number
of mods that you can do to them to add bigger and more drives, more
reliaable fans, etc. There is (or was) a lot of mods and info about them
scattered around the net. I still check the AT&T news-groups but they're
pretty much dead now.
Do you have the logic equations for the PAL? I don't think I have them
but I recently got a PAL programmer so I could roll my own if I had the
equations.
Joe wrote:
You could also boot a systems disk and mount / . Once it was mounted you
would
At 11:58 PM 10/28/00 -0400, Neil wrote:
>The 7300/3B1 was capable of running SYSV R3.1, I had a 3B1 with 3.2
I seemed
to recal being able to reset all the passwords via the menu
system so as long as you could get in you could reset all the passwords.
Correct, I seem to remember that TUTOR, ADMIN and INSTALL would get you
into any machine that hadn't had the OS fixed. One of mine has the OS
fixed and I still haven't figured out how to get into it but I haven't
tried very hard either since I have two with the "broken" OS. use vi to edit the /etc/passwd file.
Yes, IF you have a systems disk! I didn't get any docs or disks till I
had collected four or five of the machines even then the first systems disk
that I got was corrupted and wouldn't boot. I don't know if I ever got a
working systems disk.
> >Oh, I also still have the 8 head mods to the hard drive system. You would
> >swap in a 2010 for the WD1010 and solder on this mod to get the extra
head.
Replacing the WD1010 with a 2010 allowed you to use a hard drive with 8
heads and a resulting larger capacity. I think there were also some mods to
increase the data transfer rate too. WD2010s are widely available on
surplus/scrap disk drive controllers. This mod and many others used to be
posted on the net. I think I have them all archived, let me know if you
have trouble finding them and I'll E-mail them to you.
As some else pointed out, the WD2010 got you the extra cylinders (2048)
the other mod (a pal, which I have) got you the extra head bit.
BTW: I also archived various messages
(dead tree format),
That's an interesting term. I've never heard that before.
I also have the
hardware manual.
I'd like to get a copy of that. Someone was supposed to be putting it on
CD-disk several years ago and I bought a copy but never got it. I have a
number of other manuals for the 7300 and I think I may have the
developement software. I need to go through the stuff and make a list of
what I have.
Joe