Al, I'm curious - do you have any idea how many (if any) known
specimens of these Foxboro are still around?
--
This is the only one I know of. Sellam may know if the CHM
has one.
I don't think there were ever more than 100 made.
So yesterday (or was it the day before) I won the following Sage II computer on
ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5218919241
The seller wanted $35 for shipping, but being local, I knew I'd have an
advantage since I can just pick it up.
I never used one, but I recall them as being pretty sexy for the time. The
machine comes with no documentation. Fortunately, even though the auction
didn't mention disks, the the two floppy drives have whatever is necessary to
boot into UCSD p-system pascal.
I've written a fair amount of Pascal, including my own Modula subset compiler,
but it wasn't using the P-system. I've found some online references and I've
ordered a couple books on it.
Once I figure out how to, I'll make copies of my two very dusty and grimy, but
working, boot disks. If anybody else on this list needs the same, I'd be happy
to make a copy for you too. Just let me know.
EBay searches have not turned up any manuals for this machine. Other O/Ss other
than the p-System were used by this machine, eg, CP/M 68K. If anybody has docs,
software, or pointers to same, I'd appreciate references to it.
All in all, a good $22 ebay purchase.
Thanks.
>Curiousity for the day - is there any difference between the use of disk
>and disc when describing floppy drives, hard drives etc.?
>
>The majority of people seem to use disc, but the use of one or the other
>doesn't seem to be a regional thing.
>
>I just wondered if one is technically right and the other wrong when it
>comes to computing...
Although all the "technical" answers others have given are likely
correct... I really suspect the majority of modern computer users use the
terms because of the following:
Disk = short for diskette, refers to floppies, and when a hard drive is
called a "disk" is used for that as well simply because that is what
floppies were called at the time hard drives became cheaper and more
mainstream.
Disc = CD or DVD. Not short of anything per se, but is taken right off
the offical Compact Disc logo. For whatever reason, Sony et al decided to
use "disc" for CDs. That is the way the packages and logos are written
for CDs and now usually for DVDs as well.
Nothing more complex or deep rooted then that. People use the spelling
they see on the packages in front of them. Floppies almost always say
"Disk" and CDs always (it is part of the offical logo) say "Disc". From
there, users interchange them from time to time because they simply don't
know what is correct or even why each are the way they are.
-chris
<http://www.mythtech.net>
> HP 9000/300 manuals!!!? Bring 'em on! Especially 9000/340 and up
models.
Anything that new is likely to be content-free.
The 2xx series was moderately well documented (schems for the DIO
interfaces,
even) But by the mid-80's, HP had gone to board-swapper level docs in
their
CE manuals.
> Al Kossow said:
> Everything that I had scanned from Decitek and Remex is up now at
> http://www.bitsavers.org/pdf/decitek
> http://www.bitsavers.org/pdf/remex
Al, thanks again for the wealth of information that you have
taken the time to place on bitsavers. We couldn't make it
without you!
Ashley
I finally allocated another day to spend on the 11/45. Unfortunately, I must
say I'm not sure if it's sick or not, hopefully someone can help.
First, none of the blinking lights programs I've seen blink the lights. I
can store and retrieve the program correctly, but when I put 1000 on the
switches and hit load address then run, it goes into run mode but no lights
blink (with any display switch setting). Halt makes the processor halt.
Here's what I did:
1000 005000 start: clr r0
1002 005200 inc r0
1004 006100 loop: rol r0
1006 000005 reset
1010 000775 br loop
On this program I put 1000 in the switches, hit load address, then run.
Address lights constantly show 1010, Data lights are blank, and the Run
light is on. Data Paths setting shows 0, bus register setting shows 5, uaddr
shows 177774.
Another test... if I store a 5007 (clr pc) in location 0 and start the
processor at location 0, the address lights show all 0's, the data lights
show 2, and the following lights are lit - pause, master, kernel. I also
tried this with location 0 set to 777 (br .) and get the exact same results.
More info... just after power up, the address lights show 20, the data
lights show 21043 (data paths). Master & Kernel are on. The uaddress setting
shows 177570.
So... I decided to go back to basics and check all the power points at the
pins on the backplane. Here's what I found:
A02A2 0
A06A2 4.931
A10A1 4.931
A26A2 4.931
A19A2 0
A16A2 0
A21A2 0
E02B2 -15
A17V2 0
A22V2 0
A17U2 0
A22U2 0
F17C1 0
E15A1 16
E01B1 9
Since my machine only has regulators at B, C, D, E, and F, I suspect the 0
volt readings above are ok. All the 5 volt test points have a very clear .2v
sawtooth pattern (which looks fairly smooth at 5v). Since one manual says
the ripple limit is .15, and another manual says the ripple limit is .20, I
suspect I'm ok there. The ripple on -15, 16, and 9 I can't see any
noticeable.
And by the way... the cpu cardset was borrowed from another listmember and
tested before I received it so I don't think it's something wrong with the
cpu cardset itself.
Any thoughts?
Jay West
