I am helping to gather original documents and/or artifacts concerning the
Remington Rand 409-series computers for the Remington Rand museum being set
up in Rowayton, CT. The models of interest are the 409-2 and the 409-2R.
These are tube, punch-card, and programming panel machines from the 1950s.
We are interested in documenting the location of all surviving artifacts,
but also would like to acquire particularly interesting items by donation
or purchase.
We are looking specifically for anything related to the programming of
these machines, such as the programming panels, programming manuals, or the
programming jumper wires. Photographs or drawings of programming panels
(originals or reproduced in third-party publications), with or without
programs wired on them, also would be of interest.
If you have any of the above, or have more general items such as Remington
Rand brand computer tubes or punch cards, whether or not you wish to sell
or donate them, please e-mail me at:
egendorf(a)mit.edu.
Thanks.
> -----Original Message-----
> From: Mike [mailto:dogas@bellsouth.net]
> finally being shuffled here. It was an adventure over miles
> with a car on
> the verge of catrastrophe, filled to the brim. Anyway,
> here's my recent
> 'new finds' list...
[snip]
> Apple Lisa w/widget&software & Macintosh Portable
Wonderful computers. I've been working on restoring one, myself. Need a
new cable for the internal HD (Or at least a new connector to plug into the
HD port)
Mine is a conglomeration of Mac XL (the newer model that wasn't compatible
with Lisa OS) and Lisa parts. I believe the Lisa IO board is toasted, so
that came from the XL (Which was functional but physically trashed)
Incidentally, please let me know if you find a way to make a bootable backup
of Lisa OS or Macworks. :) (Not that I'll be backing Macworks up until I fix
the internal drive cable)
[snip]
> AT&T UnixPC and hd drive and software
These are great. I picked up one of these from a university I used to
attend. It was about to get trashed, and somebody I knew at the time picked
it up along with the seven or so others that were going out of style.
Software and everything. I managed to get the SVR3.0 development kit
working with the R3.5 OS that I've got. It's pretty functional at this
point.
Since then, I've located a brand new one at a local computer store (really),
and acquired that for my SO. We've even still got the original box. :)
She has since gotten some original manuals.
I also have a friend who picked one up a the scrap yard for near nothing.
...had a sign taped to it that says "will not play games, good for
programmers."
I think they were serious.
[chop]
Regards,
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
-----Original Message-----
From: SUPRDAVE(a)aol.com [mailto:SUPRDAVE@aol.com]
> In a message dated 11/25/2001 2:02:51 PM Eastern Standard Time,
gehrich(a)tampabay.rr.com writes:
>> Does anybody have any idea of the value of a brand new in boxes Adam
computer?
> like the old saying goes, it's worth whatever someone will pay for it.
How many cassette drives do they have?
Personally, I'd be willing to pay something like $20 us for one, plus
shipping. You may or may not be able to get more elsewhere.
Contact me by mail if you're selling. ;) I have a CPU box, and a keyboard.
It would be worth that money to me so that I could get an original power
supply and cables.
Regards,
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
> -----Original Message-----
> From: Jeffrey H. Ingber [mailto:jhingber@ix.netcom.com]
> clicks (the mouse is good, and tested with an older Mac). The mouse I
> have has a more 'square' mouse button as opposed to the long, thin
> 'rectanguar' mouse button sometimes seen with these machines:
[snip]
> mouse I have. There are no 'receptacles' to catch the thumbscrews on
> the mouse, and there ins't the ususal metal 'band' around the D-Sub
> connector on the motherboard. It's either not supposed to be
> there, or
> it acts as a ground and is missing. I suspect this why the mouse
> doesn't register button clicks but I'm not sure.
>
> I'll relace the connector with a new one, but only if I'm sure this is
> the problem.
The mouse is compatible. I have one plugged into my Lisa, but here's the
deal with the serial port:
It seems that the Lisa mouse setup was a little strange. The port was
covered by a plastic "hood," which attached to the back of the case by
snapping into two little holes. One hole on each side of the port. This
covers the metal "ring" that you're looking for. (I assume the Mac mouse is
also looking for it ;)
If you've got the mouse plugged in, chances are good you'll yank the hood
off when you try to unplug the mouse. Otherwise, you will snap the plastic
catches on this hood when/if you try to remove it, AFAIK.
You should be able to take a flat screwdriver, and put it in-between the
plastic hood and the case, and pry out on the plastic. It should pop right
out.
This will also make it much easier to plug/unplug the mouse. :)
Regards,
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
CP/M marks a file delete by changing the first byte of the directory
record with E5h to replace a value of 00 to less than 040h. It also
does so for every file extent for that file in the directory.
A completely empty directory by default contained the E5h mark
as formatters back tehn used that as the data fill on a freshly
formatted disk.
Allison
-----Original Message-----
From: John Foust <jfoust(a)threedee.com>
To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org>
Date: Monday, November 26, 2001 9:30 AM
Subject: Re: Inaccessible CP/M programs in Altair32
>
>When CP/M deleted a file, did it just put a zero
>at the start of the filename (like DOS), or did it erase the
>entire field? Perhaps Rich saw deleted files...
>
>- John
>
>
>> Now speaking of handhelds, does anyone remember playing the handheld
>> pinball game? I can't think of the name of it right now...
>
>Oh yeah. I remember that. But my recollection is as vague as yours
>because I can't remember any details.
Wildfire? Black thing with pinball shape and display. I had that
(probably still do in my parents basement... we all moved out and
abondoned all our junk there... hehehe). I seem to recall mine doesn't
work anymore... I think it shorted out when I used an atari 2600 power
adaptor to give it DC power. Probably something I can fix these days,
just hadn't given it much thought until now.
-chris
<http://www.mythtech.net>
Correct save for CP/M only used 0-15 for the V2.x and ZCPR extended
this to 0-31. The areas were not protected directly from each other but
were logically seperate. It made file management easier on a logical
volutme without a heirarchial (non flat) directory structure.
FYI: the byte used to carry user is the 0th of the 32 bytes in a directory
entry. Values (byte) 0E5h, 0FFh, 0FEh are reserved for erased(e5),
deleted(Fx).
To add to this the high order bits of the file name 8.3 are reserved for
control/ Those bits control RO, system(invisible) and other status
items. All file names were 7bit ascii. ZCPR and other utility programs
extended and used those bits for things like archive status abd public
files(accessable from any user #).
Allison
-----Original Message-----
From: George Leo Rachor Jr. <george(a)racsys.rt.rain.com>
To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org>
Date: Monday, November 26, 2001 1:45 AM
Subject: Re: Inaccessible CP/M programs in Altair32
>I'm not an expert in Altair CP/M but I do remember one other aspect. It
>wasn't password protection but I do remember the concept of differnt user
>#'s. It wasn't complicated but somthing like user #'s 1-8. Once you
>were that user I seem to remember only the files belonging to that user
>showing up...
>
>Might be a dead end... Just a thought...
>
>George Rachor
>
>=========================================================
>George L. Rachor Jr. george(a)rachors.com
>Hillsboro, Oregon http://rachors.com
>United States of America Amateur Radio : KD7DCX
>
>On Sun, 25 Nov 2001, Jim Battle wrote:
>
>> At 10:06 PM 11/25/01 -0500, you wrote:
>> >Hi:
>> >
>> > I'm making progress with using CP/M under Altair32, but I have
>> > one newbie
>> >question since I don't have much experience with CP/M.
>> >
>> > The disk image I have shows one program in the directory,
>> > STAT.COM. Running
>> >STAT tells me that there is about 167k free (on a 330k disk). Looking at
the
>> >disk image file with a hex file editor reveals that there's more
programs on
>> >the disk.
>> >
>> > I seem to remember something about password protection on a
CP/M
>> > disk. How
>> >do I get around this so that I can see what else is on this image?
>>
>> It isn't password protection. Files can be marked as "system" files, so
>> that they don't show up when you do a "DIR". I think "STAT *.* $DIR"
will
>> revert all hidden files back to normal.
>>
>> -----
>> Jim Battle == frustum(a)pacbell.net
>>
>>
>
>
Hi:
I'm making progress with using CP/M under Altair32, but I have one newbie
question since I don't have much experience with CP/M.
The disk image I have shows one program in the directory, STAT.COM. Running
STAT tells me that there is about 167k free (on a 330k disk). Looking at the
disk image file with a hex file editor reveals that there's more programs on
the disk.
I seem to remember something about password protection on a CP/M disk. How
do I get around this so that I can see what else is on this image?
Thanks.
Rich
Rich Cini
Collector of classic computers
Build Master for the Altair32 Emulation Project
Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/
/************************************************************/
Hi,
I'm looking on the web page, but the archives end in September.
I deleted some messages of today/yesterday by mistake....
regards,
chris
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> Anyone know where there is a scanned or web version of the SMC HDC9224
> data sheet and pinout?
Try a search on http://www.freetradezone.com
for something containing hdc9224 and you'll
find the datasheet (four times). The App Notes
both look useful too.
Note - freetradezone is about to stop being free,
so don't hang about!
Antonio
arcarlini(a)iee.org
