AT&T 7300

From: Neil Cherry <ncherry_at_home.net>
Date: Sun Oct 29 07:23:58 2000

Joe wrote:
>
> 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.

You could also boot a systems disk and mount / . Once it was mounted you would
use vi to edit the /etc/passwd file.

> >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), I also have the
hardware manual.

-- 
Linux Home Automation           Neil Cherry             ncherry_at_home.net
http://members.home.net/ncherry                         (Text only)
http://meltingpot.fortunecity.com/lightsey/52           (Graphics)
http://linuxha.sourceforge.net/				(SourceForge)
Received on Sun Oct 29 2000 - 07:23:58 GMT

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