Not entirely certain its on topic.. if it is, its just barely..
Anyone know much about'm? In particularly, sources of electronic
hardware documentation? (Service Guide?)
I just got handed one, along w/ a AIX 5.1 media set.. Now I get to go
have fun.. Course, it would be nice to know exactly what bits I'm
pulling out of it, as I poke at its innards. .
Speaking of Google, googling for the above subject turns up a few
billion memory dealers, and a few SpecInt pages. :-(
David
Hey guys
Did DEC ever produce SNMP management software for Windows? I'm drawing a
blank on 'managing' my DEChub90 as [the GPL software i've got for Linux
doesn't have the right MIBs loaded/I don't understand SNMP very much at
all] - and I was thinking that DEC's own software would make it easier.
Any links, or recommendations for a Windows/Linux/Java SNMP browser?
alex/melt
here we go again..
> > > And please don't forget our LGP-30 here.
> > Never heard of this thing. What and where is it?
> Hmmm... then you haven't heard of Mel either?
Mel? As "Mel The Programmer"? Yes I remember Mel, but I didn't remember
the name of the machine.
--
http://www.wps.com/projects/LGP-21/mel-the-programmer.html
Got any pictures ?
> They're 3U type cards with 68000-10 CPUs and are marked
> MATRIX MS-CPU-02C.
Cheers,
Lee.
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I have just got an apollo 735 (couldn't resist it for 9 pound on ebay).
It has 96mb ram, 2 1gb hard drives, a framebuffer with a stereo +rgb
ports and what I think is a 99mhz processor. All is looking good except
it has no power supply. Anyone know where I can get such a beast. It
looks quite big if it fills up the mising hole, the machine already
weighs a ton it must be pretty heavy with it in.
Thanks
Dan
Dear Mr. Feldman,
I ran across the classic computer dialog searching for what became of Otrona
Advanced Systems. Tony, who wrote the message, appears sure that Otrona had
gone out of business. Can we ask him when Otrona went out of business? I
study private companies and their histories and this is an important early
one. I would be most grateful for even an approximate shut down date.
Susan Woodward
Sand Hill Econometrics
www.sandhillecon.com <http://www.sandhillecon.com/>
Hey all,
Has anybody out there written drivers for the WD1793 floppy
disk controller chip? I've been doing that for fun, and have
hit on a very strange problem with the 'read track' command.
It seems to work just fine, returning a stream of bytes that
includes the data for each sector, until it finds a byte with
a value of $29 (or 29H, if you prefer). From that point up
to the next address mark, it gets garbled data. No other data
value seems to have any odd effect. 'Read sector' returns
the right data with no weirdness.
It is extremely consistent; using read-sector and write-sector,
I can add/move/remove bytes with that value, and get the same
result every time: read-track returns garbled from the $29 up
to the next address mark.
At first I thought it was just losing synchronization, because
the address mark (at which it synchronizes) puts it back on
track. But the garbling seems weirder than just out-of-sync.
After the $29 byte, it seems to be OR-ing the byte with itself
shifted right one bit, and then inverting that. More precisely,
it seems to be doing something like this (in 'C' notation):
found_29 = 0;
while ( /* whatever */ ) {
input = get_input(); // input from disk
if ( got_address_mark() ) found_29 = 0;
if (found_29) {
carry = (prev_input & 1) << 7;
output( ~ ( input | carry | (input>>1) ) );
} else if (input == 0x29) {
found_29 = 1;
output( 0x14 );
continue;
} else {
output( input );
}
prev_input = input;
}
In case it's relevant, it is a Radio Shack Color Computer 2,
with a standard controller cartridge. (The label has wandered
off, so I'm not sure whether it is the older or newer model of
controller.)
I don't suppose anyone would care to venture an explanation?
Anyone? Anyone? ....
Cheers,
Bill.
__________________________________
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I found a board with several of these yesterday. Can anyone id them? I've
searched the net and all I can find are sellers with no names or
descriptions of what the ICs are. Chip directory comes up empty. They're
24 pin ICs with white ceramic bodies and gold lids and legs. They're marked
"93448-DC" and "F 7633".
Joe
I was out driving today and noticed a pile of stuff sitting under a
"Free" sign. One of the items caught my eye because of the dials, knobs
and round screen on the front.
It turned out to be a Heathkit OM-3 Oscilloscope (1958 vintage according
to my limited Googling - which DID turn up relevant results.)
It's missing a couple of the plastic caps to the banana jacks on the
front, but is otherwise complete. I powered it up and it seems to work
(An adjustable horizontal line appears on the CRT, anyway.)
Not bad for a street corner find.
So, does anyone have any info; docs or otherwise?
Erik Klein
www.vintage-computer.comwww.vintage-computer.com/vcforum
The Vintage Computer Forum
On 26 Mar 2004 at 23:50, Bill McDermith wrote:
> Keys wrote:
> > Went to a school auction and picked up the following:
> > HP 3000 model 922LX
>
> Never heard of a 3000 with this model number -- sure it
> wasn't a hp 300?
That was one of the low-end PA-RISC 3000s (as opposed to the "classic"
TTL/ECL 3000s). I have an HP datasheet for it (5952-0976, Dec-1989).
> That would be about the size of a breadbox (or a terminal) -- the 3000
> is _much_ larger (several racks)...
29.5 x 14.8 x 27.9 inches and 244 pounds, according to the 922LX sheet.
-- Dave
