>Date: Wed, 7 Sep 2005 13:42:39 -0400
>From: "Teo Zenios" <teoz at neo.rr.com>
>Subject: Re: 64 pin SIMM (Mac IIFX) Specs?
>Are you planning on selling 16MB SIMMs or just making a few
> for personal satisfaction?
If I can make it work without being too big a pain, I'll probably
sell some as well. There seems to be a strong (but small) demand
>from folks who love their IIFXs.
At this point I'm not even certain that I can make the circuit boards
reliably and affordably. On the other hand, until a couple of weeks
ago I couldn't even find .047" copper clad board. Finding a source
of that is what got me going.
Jeff Walther
If you're going to exhibit at VCF 8.0 then now is the time to register
your exhibit:
http://www.vintage.org/2005/main/exhibit.php
--
Sellam Ismail Vintage Computer Festival
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Hi All,
I'm trying to convert a couple of USA spec. HP 7914 hard drives to UK spec.
This involves not only changing the input tappings from 110 Volts to 240
volts but also changing the main drive pulley and drive belt to compensate
for 60 Hz / 50 Hz mains frequency difference.
Machining up a revised (larger) pulley isn't a problem but finding the drive
belt is proving difficult. Is there anyone on list that has the necessary
parts (perhaps a scrapped drive in the UK)?
I think that the parts are common for the 7911, 7912 and 7914 drives - the
HP part number for the belt and pulley are - 07912-20013 (pulley) and
07912-40018 (drive belt).
Does anyone have experience of these drives? The pair that I have are quite
grubby on the outside, have probably been knocked about a bit in transit
but have had the spindles locked and the head leaver in the 'locked'
position - is it likely that they will still work?
Peter Brown
On Sat, 10 Sep 2005 shoppa_classiccmp at trailing-edge.com (Tim Shoppa) wrote:
> VAX6000 systems are probably the ultimate in over-engineering for
> reliability and although they've got a lot fewer boards than a 11/780
> they still have some BI-bus contact reliability issues despite a
> much slicker edge connector and less age.
You haven't worked on the 86x0 systems, I can hear...
The 6000 series are a joke in comparision.
The 86x0 systems are designed to continue to work even when chips
actually don't work. Those faults are logged, alternate signal paths are
activated, and the board should be scheduled for replacement at the next
normal PM. So yes, there are double sets of registers, paths, and
whatnots, so that most faults actually don't stop the machine from
running.
Johnny
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at update.uu.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
I found a pile of these things this morning. They are made by Odetics
in Anaheim Ca. After I got home with them I realized that they are for the
space shuttle. Does anyone know anything about them? I THINK they use a
tape drive inside. I haven't opened one up yet but I saw the remains of a
tape drive at the same place and I think it was the guts out of one of these.
Joe
I didn't want to post this, cause it wasn't on-topic & all according to
some...Would someone be interested in a early 80's VAX 8550 w/peripherals?
If someone is interested in the below please contact me off list. I may be
interested in the TU/A81. I'm guessing from the sound of it that he doesn't
have the computer console for the 8550.
Jay West
--------------------
I got this unit (and the others soon to be described) from a
liquidation. Right now, I am more interested in moving them than making
money on them. I would greatly prefer that someone pick them up rather
than ship them but I will accommodate any type of shipping.
Digital TA81
Digital TU81
Digital VAX 8550
Digital H8C40
SC008 - AC
64AMA-YE
There are a few more items but I cannot find a serial number on them.
They are cabinet-like like the VAX.
Although there is one monitor, everything else is cabinet size. That
means no manuals, disks or software that I can see. I haven't really
dug into them to see what's in them.
Everything is located in Chattanooga Tennessee.
Thanks for the help. I would much rather a collector get these than
selling them for scrap.
I just acquired a TEAC MT-2ST tape drive with an Genoa System QIC-02
ISA 8-Bit Adapter and was wondering if anyone here perhaps had a
manual for either the card and/or the drive itself ?
For your information, this drive is 5,25" in format and takes normal
cassettes, thought it was a pretty nice find.
Stefan.
-------------------------------------------------------
http://www.computer-museum.net
My personality is that of an introvert, so I tend to lurk here and "in the
real world" too (I'm the quiet one in company meetings). I think I last
posted on this list a couple of years ago (until today anyway).
For the record, since I didn't respond to the previously mentioned age
survey...I'm 42, married, got my B.Sc. in Computer Science in the 1980s,
and I have a collection of VAX and PDP-11 systems in my basement that I
power up regularily, and a random bunch of Radio-Shack, Commodore, and
early IBM-Compatibles that I power up a few times a year, as well as a
SIMH HP2000F system that I love to tinker with since it was the first
system that I ever worked on back in the 1970s.
(I'd love to have a "real" HP2000F, but I think my wife would object to
any more stuff in the basement... SIMH & TS10 are a big help there)
...and I'm currently on a Mac mini running OSX 10.4 telnetted into a SUN
system and using PINE to email this to the list!
Thomas Dzubin
Calgary, Saskatoon, or Vancouver CANADA
The mouse cursor on this laptop (an aging Thinkpad) keeps on moving by
itself - presumably the hardware side of it's the same on all laptops
with a mouse nipple though. Anyone know if it's worth me trying to get
underneath the keyboard to fix it (I assume it's a dirt-related problem)
or is the problem more likely to be some sort of obscure software issue?
(I have no idea when mouse nipples first appeared on laptops, but I
imagine they're on topic just :-)
cheers
Jules
