> > I missed the 4000 due to the shadow and the BA215 as I didn't scroll all
> > the way down. More nice toys.
> Very nice toys. I have a MV4k200 in a BA215. A very handy QBus VAX and
> it is nice to work on the BA215. No finger breaking and flor crawling
> like on the flor stand BA23.
Even worse is a rack-mount dual BA23. I used to have to pull all the
cards out and reseat them on one system. The quad-width cards had locks,
but the dual-width didn't, and I couldn't easily get to the dual-width
cards to properly reseat them with the quad-width cards in place. I
really like the BA213 and BA440. I have a 4000/500 in a BA440 at home.
> > As someone that cares for an 8820 at work,
> A 8820 still in production use?!
> I know from ragge, the NetBSD/VAX port-master, that there is a 8800 in
> north Sweden runing. AFAIK it is the machine behind ftp.luth.se, as the
> folowing picture implies:
> http://www.ludd.luth.se/gallery/ludd1-mII/ftp.luth.se_mark_IV-4.jpg
Yes, indeed. All because of licensing costs. The 8820 is their
slowest system and all it does is run that one piece of software.
Never mind the environmental and service costs are more than a
new system and license.
> > I really think the 8700 is nuts, but fun.
> Nuts are fun. ;-)
Yeah, people think I'm a nut, and my computer collection is not
nearly as large as it should be.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
I'm rebuilding an RM03 head stack (I have two crashed drives, making one
good one from the two), and I got a problem here...
Drive one has all of the heads bad except for platter 2, head 1, and
surface 3, head two. (That is, I have one good UP head, and one good DOWN
head.)
Drive two has all of the heads good, except for the heads for platter 1.
That is, I have both the UP and DOWN heads for the topmost platter dead.
The problem is, the good UP head from the first drive is the servo head,
apparently - The pigtails for this head come out on the opposite side from
the others, and it has a double-ended connection. Can this head be used
as a normal data head anyway? The pinout looks the same, except that it
has two endings, both of which look alike...
Can someone look at the RM03 prints and find this out for me? This is my
only good UP head, so if I roach it, I'm done for.
PS: Ripping the drive apart and getting the head stack out to play with
was somewhat easier than it looked like; All I had to do was get the big
magnet out of the back, have someone hold the logic cage while I undid the
drive head pigtails, undo the track 0 microswitch, disconnect the big coil
at the end of the head assembly, and pull the whole mess out the back of
the drive.
Oh, and I'll have to take pictures of the crashed heads later; They're
really impressive! The original top head for the second drive is
COMPLETELY GONE. I have both the head and the platter it crashed onto
stored upstairs to take pictures of as soon as the camera works again.
I was rummaging in the attic looking for my IBM 1130 listings, and came
across this Interdata 7/32 C Maintenance Manual. It includes detailed
schematics of the CPU, and the microcode listing. Is anyone interested in
scanning or copying this?
--
Jonathan Engdahl???????????????? Rockwell Automation
Principal Research Engineer????? 24800 Tungsten Road
Advanced Technology????????????? Euclid, OH 44117, USA
Euclid Labs????????????????????? engdahl(a)cle.ab.com 216-266-6409
"Tony Duell" wrote:
> It is worth seeing just how a processor can be built from
> gates and flip-flops (and this will hopefully remove the myth that
> there's something magical about the design of a CPU).
A good book was written about this back in the late 80s by
the bloke who taught us about digital design. I forget the title,
but the author is Peter Thewlis and the book was published by
the Oxford University Press. Takes you all the way from the
basics of how to build various flip-flops to how to build
registers and an ALU. Excellent fun :)
--al
Does anyone know how to take the rolling feet off a BA215? Its really
straightforward on the BA213 (I assume the same for the BA440) but the
BA215 has recessed hex head screws and I can't get to them. I was wondering
if there was some "preliminary" step that exposed them.
--Chuck
>Very nice toys. I have a MV4k200 in a BA215. A very handy QBus VAX and
>it is nice to work on the BA215. No finger breaking and flor crawling
>like on the flor stand BA23.
I accidentally deleted the message before I read it completely, so
I don't know what you said after commenting about the VUPs rating
for the 7650, but the 7650 is about 155 VUPs, not 175, according
the table I got from DEC. The 7610 is 35 VUPs, and each processor
adds 30VUPs. You lose the rest due to overhead.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
I picked up two each of the toner cart kit and the
user maintenance kits, at $2 each. They're available
at that cost plus shipping. New in box, unused.
- John
> 68882 is right for 68030 & 68020. 68881 only foir 68020.
> (talking about hardware, no software)
My memory is that the parts were interchangable in hardware
(presuming
the speed was OK) but the performance was better at a given speed
for the 68882 over the 68881.
They are.
Lee.
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I know this is off-topic, but earlier there was some discussion that
included comments about people buying the Tru64 hobbyist kit. If
anyone has the Tru64 V5.1 CD set, I need to get an ISO image of the
Associated Products CD 1 of 2. I damaged my CD.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
> My memory is that the parts were interchangable in hardware (presuming
> the speed was OK) but the performance was better at a given speed
> for the 68882 over the 68881. I never did any rendering on my Amigas,
> so my use of the floating point was rather limited. I skipped over
> the '020 when I was heavily into Amigas, leaping from a massively
> expanded A1000 (Rejuvinator, Spirit InBoard, Microbotics Starboard w/Star-
> Drive, ROM switcher, etc.) to an A3000/25.
I had a Mac II, which used a 68881. I remember the 68882 being sold by
some people as a speed-up for the Mac II.
I bought a 68851 MMU so I could run A/UX on my Mac II. The 68851 added
functionality necessary for A/UX but did slow down memory access slightly.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
good reputation, don't know how expensive...
http://www.discinterchange.com/
they claim to be able to read media
>from the following machines...
Wang OIS
Wang PC IWP
Wang PC running WP Plus
Wang VS (WPS Archive Disc)
Wang VS Alliance
Wang WITA
Wang WP Plus High Density
Wang WP Plus OIS, Wangwriter
Wang WPS
Wangwriter
Bradley Slavik
r--
I own an AV-400, and a 412. In addition,
I have enough parts to turn my 400 into a
AV-530.
The 400 could be a single or dual processor
machine, mine uses a 'stock' framebuffer.
There used to be a page that had some of
the NV-RAM info on it; I'll have to see
if I have it stashed away somewhere.
Do you have the DG/UX install CD/Tape?
Jeff
On Tue, 18 Sep 2001 01:47:02 -0400 (EDT) "r. 'bear' stricklin"
<red(a)bears.org> writes:
>
> I'm looking for list members who own functioning M88k-series DG
> Aviion
> machines for a research base, so I can finish resurrecting my 310CD.
> I
> need some NVRAM information.
>
> Let me know if you have one; include the model and graphics type, or
> at
> least as much as you know about either.
>
> I'll follow up with more information in a week or so, depending on
> what
> kind of response I get.
>
> Thanks, I'd really appreciate it it!
>
>
> ok
> r.
>
________________________________________________________________
GET INTERNET ACCESS FROM JUNO!
Juno offers FREE or PREMIUM Internet access for less!
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On Sep 17, 23:33, Mike Kenzie wrote:
> On another list someone mentioned that a PDP11 ran at about the same
> speed as a 486-66.
>
> I don't have a 486-66 but do have a PDP11/34 in the garage so I
> suggested that if a 486-66 could be found we could have a race.
I don't think an 11/34 or similar would come anywhere close to a 486DX2-66
in terms of processor speed. More like a slow 286. The real advantage of
a mini was the architecture, which was designed to reap the benefit of
multiple intelligent DMA subsystems and perhaps multiple busses. The same
is true now, comparing expensive SGI kit with fast Pentiums -- you only see
the advantage on specific tasks, like certain kinds of rendering.
> Any suggestions for a fair race?
Something that reflects the sort of use a mini would be put to; something
with multiuple users or at least multiple processes, and a healthy mix of
I/O. A Dhrystone test is definitely not what I'm thinking of :-)
--
Pete Peter Turnbull
Network Manager
University of York
What's the rev of the manual? I might need it depending on the rev.
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
> Can you let us have some more info?
It's one of the biggest Amateur Radio events of the year (and, as such, has
quite a high computer-related content)
Two days (Friday and Saturday*) at the
Donnington International Exhibition Centre
Donnington Park
Castle Donnington
(near junctions 23A/24/24A of M1)
0930-1730 (1700 Saturday)
lots of trade stands/flea market/bring and buy
admission ?3 parking free - free bus from airport (and cheap bus from
railway station Loughborough or Derby to airport)
see www.lars.org.uk
* but I think there is a big Touring Car race on the Saturday at the
adjacent racetrack so getting there/back on Saturday may be less than
pleasant.
Andy
Can anyone help Dianne out with some computer wisdom? See message below,
and please remember to CC your message to <dfmedic(a)msn.com>.
---------- Forwarded message ----------
Date: Fri, 7 Sep 2001 06:32:53 -0700
From: dfmedic <dfmedic(a)msn.com>
To: vcf(a)vintage.org
Subject: Assistance Please
Hi,
I have been researching for information on comparing and contrasting
mainframes and personal computers, but have not been able to locate any
specific information. This information is required for a paper I have to
present at the university I am attending. Could you send me some
information on this or direct me to the appropriate resource?
Thank you for your time and assistance.
Sincerely,
Dianne Fisher
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
On September 18, Eric Dittman wrote:
> Okay, you've got a 35 VUP system (VAX 7610), a 32 VUP system (VAX 6610),
> and a 6 VUP system (VAX 8700). However, it looks like you are missing
> the power controllers.
The power controller for the 8700 is still down here in storage. It
is stored at another location separate from the 8700 and we couldn't
pick it up while Sridhar and Brian were here.
-Dave
--
Dave McGuire
Laurel, MD
> Does anyone on this thread even understand microprogramming?
>
> Apparently not.
>
> Pentium CPU's can't be microprogrammed, unless your Intel. Even microcode
> updates cannot replace the basic instruction set.
>
> If you write a program in Pentium assembly code to run PDP-11 instructions, you
> have just written an 'emulator', even if it does not run under windows.
>
> But an writing such an emulator is not 'microprogramming'.
I was wondering about this! In all honesty I don't see any reason to go
this low level, by doing this you're making it less portable. Ideally you
want something like a stripped Linux or QNX system sitting on top of the
hardware, with the system emulator sitting on top of that. If you want to
avoid UNIX altogether, just take simh, and set it up so that it's started
when the system boots, and you boot all the way up to the OS of your choice.
Go one step further and hack simh so that if you shutdown the OS running on
top of simh, that it shuts down the host OS.
If you want to do hardware, go with FPGA's and reimplement the CPU and
controllers like Neil Franklin is trying to do with the PDP-10. The tricky
part here of course being the disk and tape controllers (unless you want
to write your own device drivers).
Zane
> Brian Hechinger and I just got a few HSC95s. They've got J11s in
> them.
Do they have the STI bus, UNIBUS, or QBUS? Can they run standard RT-11?
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
On September 18, Eric Dittman wrote:
> > Brian Hechinger and I just got a few HSC95s. They've got J11s in
> > them.
>
> Do they have the STI bus, UNIBUS, or QBUS? Can they run standard RT-11?
They look to contain HSC-specific cards. They sorta resemble
VAX-11/750 cards in size and card-edge connectors.
-Dave
--
Dave McGuire
Laurel, MD
On September 18, Bill Pechter wrote:
> > DEC used embedded PDP-11 processors in many different places. There's
> > the console for some of the VAX systems, and I've read some of the
> > DECsystem-10 or DECSYSTEM-20 systems used a PDP-11 as a console system.
> > Other uses of the PDP-11 that I know of are the HSCxx controllers and
> > some of the printers. Where else did the PDP-11 get embedded? I know
> > the HSZxx/HSDxx/HSJxx controllers used an Intel i960 processor, so
> > there's no PDP-11 there.
> >
> > And speaking of the HSCxx controllers, are the PDP-11 controllers
> > customized or is there a standard QBUS or UNIBUS system in there?
>
> My last DEC Field Service experience was with HSC-50's.
> They had their own bus (no name known by field service).
> I thought they went from F11 CPUs to J11 CPUs in the later ones (HSC70).
>
> I wondered if they ever used 78032 (uVaxII chips) in some of them.
Brian Hechinger and I just got a few HSC95s. They've got J11s in
them.
-Dave
--
Dave McGuire
Laurel, MD
On Sep 17, 9:42, Jonathan Engdahl wrote:
> Have you ever soldered down a flash ROM? Not fun. I used 36 gauge
self-strip
> magnet wire and tweezers under a 40X stereoscope. I'd rather buy one
> prebuilt if available. If you build you own, it might be hard getting the
> interfacing and timing compatible with DRAMs.
The ones I've seen have been regular SMD (0.5" pitch) devices which are not
too hard to do with hot air, or are ordinary DIL (0.1" pitch). The last
one I soldered was a DIL chip.
Timing might be a problem; I have almost no idea what access time DIMMs are
supposed to be but I expect it's faster than SIMMs. SIMMs are usually in
the 60ns-120ns range, and it's not too hard to get FLASH or EPROM in that
range too. You'd just need to demultiplex the addresses (latch the
addresses presented on the first part of the memory cycle). Of course,
modern motherboards use DIMMs.
> Of course it would be feasible to implement a PDP-11 emulator in the BIOS
> ROM, it just would not be as fast as the one I'm thinking of. Back in the
> days of QEMM/386, I remember allocating 64K for the BIOS ROM. I haven't
> really looked that closely at a BIOS ROM since then. I was wondering if
> modern mainboards had larger ROMs, or if they still are stuck with 64K.
I don't know for sure, but I seem to recall seeing at least 128KB. Not
megabytes, though!
--
Pete Peter Turnbull
Network Manager
University of York
> >> >The PIII will emulate the keyboard layout of a VT220 if you use an LK461
> >> >keyboard.
> >>
> >> What makes the LK461 special?
> >
> >The LK461 (and related keyboards, like the LK46W) have the same layout as the
> >LK401, including all the keys. I use a couple on my Alphas and VT525.
>
> What about electrical or connector differences?
>
> I'm curious as a bunch came into a surplus place, and one of the other
> junkies grabbed them all, but had no interest in the LK401.
The LK461 has a PS/2 connector. The LK401 has a phone-jack connector. The
LK401 can only be used with a VT2x0/VT3x0/VT4x0 terminal.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
> My last DEC Field Service experience was with HSC-50's.
> They had their own bus (no name known by field service).
> I thought they went from F11 CPUs to J11 CPUs in the later ones (HSC70).
>
> I wondered if they ever used 78032 (uVaxII chips) in some of them.
We have HSC95 controllers. I haven't looked inside as they are 24x7,
but in the next month I'll be taking two of them out of service (and
leaving two just to serve some 3480 and 9-track tape drives). Is the
OS RT-11?
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
> Where else did the PDP-11 get embedded?
There's a T-11 on the RQDX disk controllers. I've also been involved in
a couple of projects which embedded complete MicroPDP-11s, but you're not
likely to have heard of any of them.
Roger Ivie
ivie(a)cc.usu.edu
Hey all,
Sorry bout the spam (and sorry if you already know about this) but I figured you folks might want to know to watch out for a new Code Red-esque worm that's running rampant...below is from SlashDot. http://slashdot.org/articles/01/09/18/151203.shtml
-- MB
**************
New (More) Annoying Microsoft Worm Hits Net
Posted by CmdrTaco on Tuesday September 18, @10:10AM
>from the what-a-pain-in-the-arse dept.
A new worm seems to be running rampant Unlike Code Red, it attempts to hit boxes with many different exploits (including what looks like an attempt to exploit boxes still rooted by Code Red). It looks like each IP tries 16 attempts on its neighbors. There is also a new mail worm mailing WAV files or something with bits of what appears to be the registry... it may or may not be related. Got any words on this? Shut down those windows boxes and stop opening attachments. And make that 21. Got another one while writing this story. All my hits are coming from 208.n.n.n (where I am) I'm sure it'll keep moving to nearby boxes.
Here are examples of the requests it's sending:
GET /scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir
GET /msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../ ..%c1%1c../winnt/system32/cmd.exe?/c+dir
GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir
While writing this story I was hit a total of 4 times, 16 GET attempts per attack. In only 4 minutes. Also of interest, My desktop has now been hit about 500 times today, all from 208.x.x.x IPs. This might be really bad. I still haven't read anything about this anywhere else, so you heard it here first ;)
Update: Web servers compromised by this worm apparently attach a "readme.eml" to all web pages served... and due to a bug in IE5, it will automatically execute the file! Yay Internet Explorer!
It came in last week, I ordered it from Kendall electric. It's an Ideal
Industries Crimpmaster. I was a little disappointed to find that it was
made in Taiwan. Oh well, at least they are allies.
I bought the connectors to go along with it too. I got home, promptly
cut off the filed down standard RJ11 connector off of one end of my
cable. THEN, I tried putting a new connector into the crimper.... I
couldn't figure out how the dumb thing was supposed to work! I was
thinking GREAT, I just dumped 70 bucks into a specialized tool I can't
seem to use. I checked part numbers several times. Turns out the MMJ
die set was in wrong.... they misassembled it at the factory. It worked
fine once I straightened it out :-) Now I have a proper cable :-)
Maybe sometime soon I can start messing around with the Vax again....
still need to break into VMS.
Chad Fernandez
Michigan, USA
DEC used embedded PDP-11 processors in many different places. There's
the console for some of the VAX systems, and I've read some of the
DECsystem-10 or DECSYSTEM-20 systems used a PDP-11 as a console system.
Other uses of the PDP-11 that I know of are the HSCxx controllers and
some of the printers. Where else did the PDP-11 get embedded? I know
the HSZxx/HSDxx/HSJxx controllers used an Intel i960 processor, so
there's no PDP-11 there.
And speaking of the HSCxx controllers, are the PDP-11 controllers
customized or is there a standard QBUS or UNIBUS system in there?
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
> OK, I know this is not exactly on-topic, but I thought it was
> ridiculous enough to share.
>
> Here's what I get from the logs on my IRIX web server running apache:
>
> > egrep "scripts/\.\..*" access_log | grep "18/Sep/2001" | wc -l
> 7273
>
> > egrep "msadc/\.\..*" access_log | grep "18/Sep/2001" | wc -l
> 809
>
> > egrep "_vti.*/\.\..*" access_log | grep "18/Sep/2001" | wc -l
> 811
>
> so, that's 8,893 bogus MS exploit requests. note too, that those numbers
grew
> by about 5% in about 5 minutes. Damn, I'm glad I don't run a windows
machine
> :)
We do, and it isn't causing us any more trouble than *nix servers.
'Coz we patch.
Surely the *nix sysadmins spend as much time writing Perl scripts
as we do patching MS bugs...
;-)
-dq
> Date: Mon, 17 Sep 2001 15:00:34 -0700
> From: "Brian Knittel" <brian(a)quarterbyte.com>
> Subject: Re: IBM 1130
>
> Good to hear there some other 1130 fans out there!
>
> I should have added that we have ten disk cartridges with our 1130.
> One is labeled "IBM Only" and we hope it's a CE disk. We didn't
> find any punched card based software other than four IPL (boot) cards.
> One is labeled "APLIPL" and we have an APL typeball, so we think
> one of the cartridges has APL on it. However, we're a long way from
> trying to spin it up to see if the disks are still readable after
> what must be 20 years.
APL/1130... Lord, that brings back a couple of memories. FWIW, the language
is very similar to APL/360. The nasty part was the special symbols. The
console keyboard (basically a 029 keyboard) was mapped into three shift
states (3 symbols per keycap) with the shift state being indicated by banks
of front panel lights.
IIRC, make sure to make lots of copies of the APLIPL card as my experience
was that the reader/punch would occasionally munch it.
Also IIRC, the correct name for the IPL card is a "Cold Start" card.
> We also have the maintenance manuals and schematics, but
> no diagnostic software listings. We'd be interested in getting
> copies of anything you get scanned or OCR'd, Hans.
> Norm is setting up a boffo website for it all. A grand
> opening announcement will be coming soon!
Can't wait to see it...
<<<john>>>
Hi
Garbage day tommorow and I will be scrapping more stuff I have accumulated
too much of...
This all going to charity (they probably wont want this) or garbage in about
24 hours or pick it up if you want it.
I dont wanna start packing -- you have to have someone to pick this up.
I know this is quite a long shot since I am in Montreal, Canada but who
knows...
A shame because most was cleaned and is working....most of this is stuff I
have more than one of or just no space for...
I anticipate more stuff getting junked so anybody with a large car or van
that can pass by here can probably fill it up.
MPS801 Commodore printer
Commodore 1525 printer
DEC LA50 printer
TRS80 model II "8" floppy expansion box" with no drives
Compaq portable II
TI994a beige version
TI994a black version
Several MAC Plus and SE (no se-30s)
Apple IIc
Several C64 and Apple books some in french
Some C64s and 1541 drives
Untested 1084S monitor
Stuff I cant see myself throwing in garbage but would like to see go to a
good home : several Atari STs and Amiga 500s...
Claude
http://www.members.tripod.com/computer_collector
> >Very good point. I was thinking that it would be nice to have a machine that
> >was a PDP-11 as soon as you flipped on the power, but probably not worth the
> >cost and hassle of the flash. Didn't some of the VAXen boot their microcode
> >from a floppy?
>
> Yes, the VAX 11/780 does.
I remember an early brochure for the 11/750 talking about how it would be
easy to load custom microcode to emulator other processors. This wasn't
in later brochures or product descriptions for the 11/750 that I've seen.
> Interestingly, the DEC DSSI drives are nearly already "there" when it comes
> to this sort of scenario. There already is a communications protocol that
> lets you "log in" to the drive and talk to a variety of programs that are
> stored in the Disk drives flash. It may actually have a real PDP-11 on it,
> I don't know who might know what all the parts are on a DSSI drive.
I don't think the DSSI drives have a PDP-11, but they are pseudo-CI.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
Marvin Johnston <marvin(a)rain.org> wrote:
> I just received about 80 HP Cassette tapes today, and have no idea what
> these things might be used on or for. They appear to be about DC-100
> size and have names such as "64850-10005 Z8 asm/lnk", "64815-10002 68000
> Pascal Compiler", "64816-10005 Z8001/2 Pascal Compiler", "Z80 Emul/Asm",
> etc. Anyone have any idea of what machine these things might be used on?
HP 64000 cross-development system. Some used DC100 tapes as
distribution media, others used 5.25" floppies.
-Frank McConnell
> > My Mac IIfx used a ROM SIMM. The IIfx was the last Mac I ever
> > bought, too, after the way Apple treated IIfx owners.
>
> One hell of a Mac, though. I only wish the thing was documented so
> I could get from Apple OS 7.x and/or A/UX to something like NetBSD on
> it.
Apple's refusal to document the system was one problem. Another problem
I had (that I started griping about during the A/UX 3.0 beta test) was
Apple wouldn't let the engineers support the GPi pin on the serial ports
under A/UX because not all Macs had the GPi pin. I continuously pointed
out that all Macs that could run A/UX *DID* have the GPi pin, and they
could allow this to be a configuration option. Without the GPi pin there
was no way to have secure dial-in and hardware flow control, which means
you really didn't want to have a dial-in connection on your A/UX system.
There's a lot of other ways Apple mistreated IIfx owners.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
Hi,
does anybody know something about the DEC DESPO-A BNC Ethernet
Transceiver?
Its a small box (about 115*60*35 mm) with a BNC connector and a
MMJ connector on the otherside. And ther is a cable wich on one
side has the MMJ and on the other side a big black connector
(don't know the name) which I have seen at token ring MUAs only.
I haven't seen those token ring connectors for ethernet,
and no BNC connectors on token rings. So I am a little
bit confused about the purpose of these boxes. Looks like
a ethernet/tokenring bridge but I don't believe this.
Regards,
Lipo
--
Roland E. Lipovits
Vienna, Austria
Hello all,
First let me say that I hope all of you are all right, and that your lives
are as normal as possible given the recent events. I know it's hard to
think about old computers at a time like this, but I did at least want to
let you all know what was happening. Obviously, if there are any delays in
our transactions, I certainly understand ... Take care of what's important
first....
Bear in mind that these systems are school surplus. They WILL need
cleaning, and many have stickers, sticker residue, magic marker writing,
etc. They are all in good physical condition (no rust, no cracks in the
cases, etc.), but they all need to be cleaned.
Here are the final counts on the IIgs stuff... These are all tested and
working:
- Qty. 14 ROM 3 IIgs CPUs, with power cord, NO internal cards.
- Qty. 8 ROM 01 IIgs CPUs, with power cord, and memory expansion card (only
one bank full on each).
- Qty. 22 5.25" Floppy Drives, Model # A9M0107, with cable
- Qty. 23 3.5" Floppy Drives, Model # A9M0106, with cable
- Qty. 12 AppleColor RGB Monitors, Model A2M6014, with power cable AND
signal cable (see below ... more available)
- Qty. 9 mice, with ADB connector, labelled as Model # A9M0331
- Qty. 7 mice, labelled "Apple Desktop Bus", "Family # G5431"
- Qty. 3 Apple Desktop Bus keyboards with cable (see more below)
- Qty. 2 Macintosh LC II CPUs, with power cable
- Qty. 2 Macintosh Color RGB Monitors, with power AND signal cables
- Qty. 2 Apple IIc computers, with power supplies
The following are untested:
- Qty. 5 Imagewriter II printers, with power AND data cables
- Qty. 17 Apple Desktop Bus keyboards and cables
I am willing to test the remaining keyboards, and the Imagewriters if people
want them. I also can get more monitors, but again, I only want to lug them
here and test them if people want them.
Please, even if you have responded before, respond with a specific list of
what you want. Don't tell me "a complete system", because I have no idea
what that means (mouse? 1 floppy? 2 floppies? ROM version? Monitor?). BE
SPECIFIC. The two types of mice listed work with the IIgs, but I don't know
if either is "correct" in that I don't know which version shipped with the
IIgs. Because some items are limited in supply, if I get more offers than
items, I will throw names into a hat to decide who gets what. PLEASE INCLUDE
A ZIP CODE OR COUNTRY WITH YOUR RESPONSE so I can determine shipping
costs...
Once you respond with a want list, I will determine if I can fulfill it,
then weigh everything, and get a shipping quote.
In terms of money and shipment ... Payment must be in US funds, and I accept
PayPal, or Money Order (International Money Order for overseas). The cost
of each order is a minimum of $5.00 + "shipping". What this means is that a
single cable will cost at least $5.00. A complete system will cost at least
$5.00. Anything over $5.00 is up to you, bearing in mind that ALL proceeds
will be donated back to the school I got the computers from. There is no
special priority given to people who donate more money. "Shipping" includes
actual postage (USPS from Westminster, MA USA 01473), plus actual cost of
boxes and packaging (no more than $5.00, even for a complete system).
Monitors and printers will be shipped in SEPARATE boxes from CPUs. If you
come to my house to pick them up, you can "cherry-pick" for the best
cosmetic condition.
Thanks!
Rich B.
Good to hear there some other 1130 fans out there!
I should have added that we have ten disk cartridges with our 1130.
One is labeled "IBM Only" and we hope it's a CE disk. We didn't
find any punched card based software other than four IPL (boot) cards.
One is labeled "APLIPL" and we have an APL typeball, so we think
one of the cartridges has APL on it. However, we're a long way from
trying to spin it up to see if the disks are still readable after
what must be 20 years.
We also have the maintenance manuals and schematics, but
no diagnostic software listings. We'd be interested in getting
copies of anything you get scanned or OCR'd, Hans.
Norm is setting up a boffo website for it all. A grand
opening announcement will be coming soon!
And as for Jonathan's observation:
> Oh my, an 1130! I don't think we've ever encountered such a severe case of
> the classic computers disease. Brian, you need help.
I don't think we can claim to have the worst case around here, no sirreee.
On the other hand, Norm was suggesting that we port the 1130 emulator
to the Palm platform and ...
Brian
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
_| _| _| Brian Knittel / Quarterbyte Systems, Inc.
_| _| _| Tel: 1-510-559-7930 Fax: 1-510-525-6889
_| _| _| Email: brian(a)quarterbyte.com
_| _| _| http://www.quarterbyte.com
> > >Cool idea -- flash on a DIMM. Has anyone ever heard of such a beast?
> >
> > The Apple Set Top box uses flash SIMM/DIMMs for it's boot
> > code. At least the one I have does. It's a 68pin SIMM with 8 Intel
> > E28F020 flash memory chips (256k x 8).
>
> Additionlly, several models of Macs have had either SIMM or DIMM
> sockets for ROMs; in the case of the Mac IIci, it's unpopulated,
> and my guess was there either for upgrades or for some special-
> order boxes used by an unnamed customer... ditto the Quadra 605
> (LCII format).
My Mac IIfx used a ROM SIMM. The IIfx was the last Mac I ever
bought, too, after the way Apple treated IIfx owners.
--
Eric Dittman
dittman(a)dittman.net
Check out the DEC Ethusiasts Club at http://www.dittman.net/
I'm looking for list members who own functioning M88k-series DG Aviion
machines for a research base, so I can finish resurrecting my 310CD. I
need some NVRAM information.
Let me know if you have one; include the model and graphics type, or at
least as much as you know about either.
I'll follow up with more information in a week or so, depending on what
kind of response I get.
Thanks, I'd really appreciate it it!
ok
r.
Anyone else going to the Leicester show at Donnington on Friday?
Not that the chances of finding anything really classic - as far as
computers are concerned, anyhow - are that brilliant. But probably better
than the last Ally Pally Rally.
Andy
On September 17, Marvin Johnston wrote:
> I just received about 80 HP Cassette tapes today, and have no idea what
> these things might be used on or for. They appear to be about DC-100
> size and have names such as "64850-10005 Z8 asm/lnk", "64815-10002 68000
> Pascal Compiler", "64816-10005 Z8001/2 Pascal Compiler", "Z80 Emul/Asm",
> etc. Anyone have any idea of what machine these things might be used on?
I'd guess they'd be for the HP64000 dev/emul system.
-Dave
--
Dave McGuire
Laurel, MD
I'm still looking for a DEC Alpha 21066A 233MHz chip to upgrade my AXPpci 33
motherboard. I want to either buy that CPU, or swap for other DEC Alpha
chips. I have two 21064A 166MHz CPUs and one 21164-AA (266MHz) CPU.
Jacek Artymiak
--
r e k l a m a
Lista Plac [ http://listaplac.onet.pl ]
"Tony Duell" wrote:
> How long have you been on this list :-). You mean I've not waffled on
> about it recently???
I've been on this list for about 2 years, but I have to say that
sometimes I miss some of the posts because I can't cope with the
traffic.
> To answer the last part first, yes the P850 was perfectly operational
> last time I used it (about a year ago), and I don't see any reason why it
> should have failed since then.
>
> OK, to the programmer it looks like a 16 bit machine, but it's actually
> got an 8 bit ALU and 8 bit data path to memory. Every word is processed
> in 2 cycles, one of the low byte, one for the high byte.
[very interesting description of the machine deleted]
> -tony
Thanks Tony! looks like a rather interesting machine to learn
about processing units. I don't have any machine with a TTL-implemented
processor. I'll keep my eyes open for one...
carlos.
--
Carlos E. Murillo-Sanchez email: carlos_murillo(a)ieee.org
Universidad Autonoma de Manizales, Manizales, Colombia
----
"I've always thought that underpopulated countries in Africa are vastly
underpolluted." -- Lawrence Summers, chief economist of the World Bank,
explaining why we should export toxic wastes to Third World countries.
>What was that machine? I remember seeing one a while ago and never figuring
>out what it was.
It was a custom designed interactive TV unit, used for some test program
in Texas and I think the UK. I think it was tested in a few schools, but
I really don't know how far it went (it was probably slammed out of
existance either by cost, or more likely by Channel 1 if it was meant for
the educational market).
I don't personally know of anyone that has gotten theirs to do anything,
although I have read posts of a few people that got theirs to at least
boot to an Apple logo screen. Mine just sits (it gets a red "starting up"
light, but never gets past that to the yellow "standby" or green "on", or
even the red blinking "busted" light).
I got mine from a garage sale just recently (paid $5 for it, no remote,
no anything, just the unit)... the guy selling it said his son went off
to college, and he was getting rid of some of his "junk" he had kicking
around the house while his son wasn't there to complain... my guess is,
when the son gets home for vacation, he will be mighty pissed off (I also
got a vintage 2 foot Godzilla with working shoot out hands and flicking
fire breath... paid $2 for that).
I have seen them come and go on ebay, usually selling for between $10 and
$20 if you want to pick one up.
-chris
<http://www.mythtech.net>
>By Apple set top box, do you mean the Mac that was black, and had a TV? Or
>do you mean that device that was never released, is Apple branded, and
>plugged into a TV? Or another machine all together? Can you elaborate?
I think he means the black decoder like unit that was never released...
at least his flash DIMM description fits the one that I have. (I just
need a remote for mine, anyone have one?)
Now if I can just find a MacTV (the first thing you mentioned) or a
Pippin (the Apple/Bandi "Playstation" like thing), I can be a happy
camper.
-chris
<http://www.mythtech.net>
> >Cool idea -- flash on a DIMM. Has anyone ever heard of such a beast?
>
> The Apple Set Top box uses flash SIMM/DIMMs for it's boot
> code. At least the one I have does. It's a 68pin SIMM with 8 Intel
> E28F020 flash memory chips (256k x 8).
Additionlly, several models of Macs have had either SIMM or DIMM
sockets for ROMs; in the case of the Mac IIci, it's unpopulated,
and my guess was there either for upgrades or for some special-
order boxes used by an unnamed customer... ditto the Quadra 605
(LCII format).
Regards,
-dq