All,
a fellow collector, John Gold in San Antonio, Texas, needs
the space his collection now occupies. He needs that collection to
evaporate, one way or another, to clear that space. I think there are
probably items in it that will be of interest here.
Please contact him at
jhgold at stic.net
to arrange payment, transfer, etc. Obviously, your coming to collect
is preferable, but I think shipping is possible.
I had not met him before he contacted me via one of the
"rescue" lists, but spent a very enjoyable afternoon picking up some
of his systems and accessories; I'd have no hesitation working with
him myself, based on that experience. Other than that, I have no
connection and am just acting as a messenger.
A list of the items he's getting rid of is below.
He has not set prices for these. Since I like him, and I'd
like to see him get some tangible reward for his work in amassing,
protecting, cataloging, and dispersing this collection, I encourage
you to send a reasonable offer for what you are interested in. If you
see things which are worth serious money, you might point those out
to him as well.
I have added my suggestions for "reasonable offers" to the
list below, but these are *only* my suggestions.
Computers
$50 IBM 5324 large old work station/main frame
HP Pavilion 7370V
$30 IBM Power Server 320 Type 7012
$20 Macintosh Power PC G3 M4405 233MHz w/ keyboard & mouse
$100 Apple 3
$10 CompuAdd 212 Model A002
Leading Edge DC-3010
PC Clone Tall Tower
Eltech desktop clone
PC Clone mini tower
CompuAdd 325 Desktop
Dell Dimension XPS M200S
Dell Optiplex GXi
$10 Sanyo MBC 550
NEC Power Mate V466
$40 Toshiba T1000 Laptop (2) w/ parts
$40 Toshiba T1000SE Laptop (2)
$30 NEC Multi Speed Laptop
$10 Laser 128 Laptop/Portable Computer
$50 IBM PC single 360K w/ HDD 5150 w/ keyboard
$40 IBM AT clone
NEC Ready 466ES
NEC Power Mate 286
$10 AT&T Complete system w/ monitor & keyboard
$10 AT&T Box (2) Model 6300 CPU1Z & CPU2 w/ 1 keyboard
Compaq Presario 4550 mini tower
Atari 400 w/ Cassette drive 410
IBM PS-2 Model 30 8530-001
IBM PS-2 Model 30 286 8530-U21
Packard Bell Legend 300SX 386SX-16
Compaq Prolinea MT4/66 tower
GTE Government systems desktop
Gateway P4D-66
Atari 520ST
Monitors
$20 IBM terminal 3151 RS-232 & printer ports (2)
Atari SC1224
IBM 8513-001 SVGA
Zenith Data Systems ZCM 1450DT
$20 IBM 5153 CGA
$40 Apple 3 monochrome
XTRON RTB Technologies CM147E
CompuAdd MCH 4095N (1989)
$30 WYSE WY50 terminal w/ keyboard
Dell VM1 mono (1990)
Samsung MA2565 (1989)
Packard Bell PB1272A (1988)
Standard MCH4095N (1988)
IBM 5081-16 Composite Video (1990)
Sysdyne CGA (IBM clone)
AES SVGA (1996)
Samtron SVGA (1989)
$20 IBM Terminal 3164-11 (1992)
$20 NEC Multisync XV14
IBM 6405301 Serial monitor in box
IBM 3164 serial terminal w/ base
CompuAdd SVGA 51086 (1990)
Magnavox Computer Monitor 80 video only
Visual 120 Serial terminal w/ keyboard
$20 NEC MultiSync JC-1401 P3A 13" (1986)
$20 NEC MultiSync 3D
$20 NEC MultiSync 3V
Printers
HP Desk Jet 500
Star NX-10 Dot Matrix
Panasonic Quiet KX-P2180
$10 Epson LQ570 Dot Matrix
Star NX-1000 Multi font w/ box
Texas Instruments Microlaser Pro E
Epson LQ-1000 Wide Carriage Dot Matrix
$10 Qume Daisy Wheel w/ extra wheels and print cartridge
Kodak Personal Portable Diconix 180si
Miscellaneous
$10/ea IBM Keyboards (5)
Canon Personal Copier PC-3 w/toner cartridges
Seiko Digitizer Tablets (3)
$10/ea IBM SCSI drives 7204-001, 7207-001, 7210-001
EXABYTE SCSI tape drive
CI Designs SCSI peripheral box / in box
$20 IBM PC case 5150
$20 IBM XT case 5160
Musek scanner (no photo)
Memorex scanner (no photo)
IBM Keyboard??, 5015715, in box, never opened
BK Precision 2040 CB Signal Generator
Arnet serial expansion board, with software and cables
$20 HP 1611A Logic State Analyzer for Z80?
$20 Gould K105D Logic Analyzer for Z80?
Various keyboards, internal cards, Creative Labs CD drives
and Sound Blasters
TRS-80 Printer Cassette interface for PC-2 (2)
$10 TI-74 Basic Calc hand held computer
NEC Versa docking station, in box , never used.
--
- Mark 210-379-4635
-----------------------------------------------------------------------
Large Asteroids headed toward planets
inhabited by beings that don't have
technology adequate to stop them:
Think of it as Evolution in Fast-Forward.
Yo,
I have a very nice Seequa Chameleon that needs a new home. It's in
really nice condition except the carrying handle is missing. I'm not
going to give it away but am willing to take a "reasonable" offer.
Otherwise, it goes to the dump.
If anyone is interested let me know at steerex [at] ccvn [dot] com
BTW: I'm located in Western North Carolina.
Steve Robertson
>
>Subject: CP/M 2.2 Sector Translation Question
> From: "ROBO5.8" <robo58 at optonline.net>
> Date: Thu, 22 Jan 2009 18:30:54 -0500
> To: "'General Discussion: On-Topic Posts Only'" <cctech at classiccmp.org>
>
>Hi,
>
>I'd like to know if CP/M 2.2 is "Zero" biased when it comes to Sector
>Translation. Since v2.2 supports Blocking/Deblocking I would assume it has
>to be. I've looked at lots of code examples via Google and searched the
>documentation but I cannot find a statement to that effect.
The short answer is yes.
>
>Asking it another way: The Sector Translation routine is passed the
>requested sector number in Registers B&C. Does CP/M request Sector 0 or 1
>when it wants the first sector on any track.
Zero, Zed, 0.
It's up to the bios to:
A)translate that to a physical address,
B) do what is needed for sector skew
C) deblock if required.
Allison
>Thanks Robo
der Mouse wrote:
> Sure, but I suspect there's a terminological mismatch here. There are
> a number of people here, including me, to whom "giving away" means
> "cover shipping plus a bit over for time, trouble, and materials".
> (Exactly what "a bit over" means is, of course, always open to debate
> and, usually, negotiation, but the details don't affect the principle.)
That is a great description of "giving away"! I'm not sure how many people
follow my philosophy, but picking up will almost always result in a "better
deal" than having to ship stuff as well :).
But to bring it back on topic to the subject line, I also have a Seequa
Chamelion and software, but I don't think any docs came with it. Hopefully at
some point, I'll have the time to get it checked out, and at that point it will
be for sale. And no, not on oBay!
On 23 Jan, 2009, at 11:34, cctalk-request at classiccmp.org wrote:
>
> Message: 19
> Date: Thu, 22 Jan 2009 17:53:09 -0800
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: Wall warts; was: hams on classiccmp
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <4978B285.25596.444EB605 at cclist.sydex.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 22 Jan 2009 at 19:34, William Donzelli wrote:
>
>>> I've never understood why Christmas tree lamps (particularly the
>>> miniature ones) aren't mandated as line-isolated low-voltage
>>> devices.
>>
>> Probably because they never cause problems.
>
> Never? I suppose it's what you mean by "never":
We were talking about risk of electrocution, not risk of fire. Even
low voltage bulbs get hot and can cause fires.
Roger Holmes
Hello everybody,
a friend of mine has a problem with his Tektronix (=Xerox) Phaser 740 color laser printer, which I had picked up, relieved of a very nasty paper jam and sold to him some time ago.
The heat-resistant, non-sticking rubber sleeve of the Upper Fuser Roller (the thing that revolves around the fuser lamp) has developed severe cracking and pitting of the surface despite the fuser unit still shows 91% of life remaining. However I do not see any discolo(u)ration or other evidence that the thing got too hot.
As it would be a waste of good money and resources to replace the fuser unit as a whole now (there is a counter E2PROM inside which will dictate its replacement when it "should be exhausted" anyway), we're looking for either a good fuser roller out of a fuser unit which broke in some other way (or just reached its designed-in life), or a replacement sleeve to put on the roller.
Even though Tektronix (of course) doesn't recommend replacing anything short of the whole unit, I was told that the roller of a Phaser 590 or 750 would do as well.
We're located in Germany, Europe btw.
Thanks everybody in advance, yours sincerely
Arno Kletzander
--
Arno Kletzander
Student Assistant // Studentische Hilfskraft
Informatik Sammlung Erlangen
www.iser.uni-erlangen.de
Psssst! Schon vom neuen GMX MultiMessenger geh?rt? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger
Ed, Ethan,
I have a copy of the DEC Computer Lab Teacher's Guide, 1st edition,
1968.
I'll be away this weekend, but can try to get it scanned next week
(and posted to bitsavers if not already there. It does have a spine...)
- Robert
On Jan 22, 2009, at 6:34 AM, cctech-request at classiccmp.org wrote:
>
> ------------------------------
>
> Message: 3
> Date: Thu, 22 Jan 2009 00:45:44 -0500
> From: Ethan Dicks <ethan.dicks at gmail.com>
> Subject: Wanted: DEC Computer Lab manuals
> To: classiccmp at classiccmp.org
> Message-ID:
> <f4eb766f0901212145m5361ec1u22f48f98ead914c4 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi, All,
>
> I was one of the ones lucky enough to get one of the DEC Computer Labs
> on ePay last month. Mine finally showed up, and after a quick
> inspection, I'm ready to make some cables and hook up some circuits.
>
> Somewhere, I do have the teacher's manual. It was given to me nearly
> 30 years ago, a thoughtful gift from my step-dad's mother who was the
> local high school chem teacher. I haven't seen my copy in years, and
> I'm worried it was one of the things I lost in a basement flood in the
> 1980s. I did a google search and a look through bitsavers and didn't
> see anything to download, but I did see that this topic has come up on
> the list before. There was a call for scanning the docs some time
> back (6 years ago?) but no posting of where said scans might be.
> Also, there are Phillip's pictures of the cables on grid paper, so
> they look like pretty ordinary crimp pins, but I'm having to guess at
> the nominal diameter... 3mm? From the cover of the student manual, it
> looks like there are 25-ish of the shortest (brown) jumpers, and fewer
> of each longer length, but if anyone has a documented count of the
> number of each length of jumper wire, that'd be really nice to know.
>
> So are there scans of the student and teacher's manuals for the
> Computer Lab anywhere, and does anyone have a list (including in one
> of the manuals) of the normal inventory of jumper leads?
>
> Oh... one more thing... does anyone have any idea which bi-pin bulbs
> DEC used on this? I didn 't tear mine apart far enough tonight to get
> bulb details.
>
> Thanks,
>
> -ethan
>
> ------------------------------
>
> Message: 19
> Date: Thu, 22 Jan 2009 09:32:54 +0100 (CET)
> From: "Ed Groenenberg" <quapla at xs4all.nl>
> Subject: Re: Wanted: DEC Computer Lab manuals
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID:
> <18868.213.169.196.228.1232613174.squirrel at webmail.xs4all.nl>
> Content-Type: text/plain;charset=iso-8859-1
>
>
> I'm also interested in a scanned or Xerox copied version, as I also
> bought one of those Computer Lab's. It still has to arrive, overseas
> shipping takes sometimes longer than one hopes.
>
>
> I assume he means the "Tek Country Store" which has operated in various
> locations since at least the early 70's. Last I heard it is somewhere on
> the Beaverton Tek Campus (is that the only one left?), and is only open once
> a month. I for one would love to know the current info on it.
It is the Tektronix surplus store, generally selling surplus of what
they use not what they make.
Sounds like I have to go back also. I used to enjoy the store, the
wait before the door opens, the polite run and exploring the stuff.
A quick google search brought up this on the Portland robotics web site.
Tektronix Country Store
Beaverton Campus Building 38 Loading Dock (East side of building).
503-627-6769
Public Hours: 1st and 3rd Thursday of the month from 2-4pm
www.tek.com/ir/bv_map.html
People start lining up before opening to get the best stuff (including
the commercial surplus store owners). Now including Tek equipment for
sale, too!
When I did it I was one of those commercial surplus store
owners..........And they mention test equipment has been added.
Another store on the Robotics list is:
SurplusGizmos
5797 NW Cornelius Pass Road
Hillsboro Oregon 97124
Warehouse: 503-439-1249
Mobile: 503-345-9187
Hours:
Wednesday and Friday 11am to 6pm
Saturday 11am to 5pm
surplusgizmos.com
Surplus stuff with an online store.
Anyone been there? I have yet to make it.
Paxton
--
Paxton Hoag
Astoria, OR
USA
Patrick Finnegan <pat at computer-refuge.org> wrote:
> On Sunday 18 January 2009, Bob Armstrong wrote:
>> People need to understand the danger in this - in any multiphase
>> power system, the neutral current is the DIFFERENCE of the current in
>> the individual phases. If the load is perfectly balanced, then the
>> neutral current will be zero.
>>
>> But, if you run the same load from three separate single phase
>> circuits and (worst case) the three circuits are all the same phase,
>> then the neutral current will be the SUM of all three phase currents.
>> That's 3 times what it would be otherwise and runs a serious danger
>> of melting the neutral and starting a fire.
>
> This is exactly the point I was trying to get across.
I'm not going to argue with you on this, however, see below...
>> Actually I thought the DEC power controllers had a circuit breaker
>> in the neutral leg too just to prevent somebody from doing something
>> like this. The split phase models do - are the three phase power
>> controllers different ?
>
> I *think* that it does, but without opening one up or digging through
> bitsavers, I can't remember for sure. I do seem to remember though,
> that the breaker has the 3 phases, neutral, and a shunt-trip run
> through it for thermal overload/lack of airflow.
>
> Anyways, in my experience on my 11/780 (which isn't a full config), the
> CPU, memory box, unibus controller, fans, 11/03, and RX01 together draw
> no more than a total of 24A at 120V, so it may be possible to run the
> system off of a single 120V supply, but I wouldn't recommend it.
> Adding anything like a second memory box, DU780, an RH780 or something
> else to the CPU (does the LSTTL in the 785 draw more or less power than
> the 780's cpu at their respective clock speeds?)
What you need to understand here, is that there is nothing in a 11/780
that is actually driven by 3-phase power. And the power controller is
nothing like what you are trying to describe.
The 11/780, along with very much of all DEC equipment that used 3-phase
power, did it just to lessen the load per fuse, along with getting
enough power to the system.
If you look inside, you'll see that the 3-phase goes into a power
distribution box, and from there you have a number of single-phase
sockets. And they are grouped in three separate groups. Each group is
driven by one phase of the 3-phase power, and the other pin is ground on
all sockets.
And with this kind of construction, it really isn't any problem at all
in using the same phase for all three phases. There are very few things
DEC did which really required 3-phase power.
Off my head, I know that the 86x0 machines really require 3-phase (the
fans are AC motors), the RP06 drives use AC motors (probably RP04 and
RP05 as well). I'm not sure, but it might be that KL-10 machines
actually used 3-phase. It's been a while since I looked inside one.
But as always, if you try do run a machine with 3-phase power off a
single phase, you need to know how that machine is built, and if it
actually is possible do "rewire" it. Don't play around with this if you
don't really know, because it can be lethal both to the machine and you.
Johnny
