At 01:44 PM 29/05/2012, you wrote:
>Hi,
>
>Does anyone know of a source for the rubber belt in a Commodore datasette
>(from a PET 2001)? I've considered buying another datasette to get the
>belt, but chances are the belt will be as poor as the one I have.
>
>Thanks...Win
If it is a round rubber belt check your local auto parts
supplier for the correct circumference of "O" ring.
Cheers
Charlie Fox
Charles E. Fox
793 Argyle Rd. Windsor Ont.
519-254-4991 N8Y3j8
www.chasfoxvideo.com
cctalk-request at classiccmp.org wrote:
> Message: 1
> Date: Thu, 24 May 2012 11:20:55 +0200 (CEST)
> From: Christian Corti <cc at informatik.uni-stuttgart.de>
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Subject: Re: Software for OCR'ing paper tape?
> Message-ID: <alpine.DEB.2.02.1205241119530.20068 at linuxserv.home>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Wed, 23 May 2012, Jonas Otter wrote:
>
>> Am I completely wrong if I think I remember that the sprocket holes have a
>> fixed relationship to the data holes? If so, it ought to be possible to build
>> an optical decoder, illuminate it with a simple light bulb, connect it to an
>> input-capable parallel port on a computer with suitable software, and simply
>> pull the tape through by hand? The sprocket holes would function as a clock
>> for the data.
>>
>
> Now guess how a classic photoreader (optical paper tape reader) works...
>
This was done YEARS ago, in the very earliest microcomputer days.
Jon
A kind-hearted list member sent me a PSU and some RAM for my V210. I finally
got around to installing stuff today and I found out one of the connectors
on the new PSU I received has shattered and splintered and can't be used.
Apparently from heat or age or both it became so brittle it started
disintegrating and the pins must have gotten damaged along the way. The
connector I am talking about is the 4 pin square connector that goes
through the bulkhead to the front system board and terminates behind the
system configuration card.
The PSU I was going to replace failed today after I put it back in when
the new one couldn't be used. Although the BIOS is showing every possible
PSU error the system seems to run ok, as before. Sun sure made good stuff!
Their servers even run fine with a failed PSU...
As I was doing all this I spilled a nice full cup of coffee (that I had
deliberately moved out of the way, or so I thought) all over a Filco while
moving stuff around so I could work on this machine. At least now I get to
test the "wash the keyboard in the shower" theory. So far it's dead but
maybe it will start working again when it dries out. If not that was an
expensive cup of coffee.
At least the RAM I installed works.
Anyway, is it possible to get a hold of these connectors along with the
crimp-on pins? They look fairly standard, I just don't know who sells stuff
like that.
I don't know if I can post attachments to the list but I have pics if
anybody can help.
I'm also looking to buy additional PSUs and RAM for V440 and V210s.
Somebody had said they had some RAM to give me but it's been a long time
and nothing heard. If you have anything to sell please email me with your
prices.
Thank you.
> Anyone seen:
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190684935842
Surplus dealer in Cleveland with unrealistic expectations. Since he
deals in medical and process control equipment he probably sells
enough big stuff so he doesn't have to worry about the small stuff.
At least he takes offers so he is negotiable. Most of the listings are
a set (buy it now) price or best offer postings.
And it is a new Ebay requirement that you offer a minimum of 14 days
if you take returns. This is reflected in their recent postings.
Of probably more interest to the list is this offering, a Quantum 2020
8" hard drive from him. I would recommend making an offer rather thatn
taking the buy it now, but he is offering free shipping and the
Quantums are heavy.
http://www.ebay.com/itm/Quantum-Q2020-20MB-Disk-Drive-SA1000-Interface-/251…
I didn't check their feedback on packing and would recommend doing
this if you are interested. Also some of these drives have a parking
lever and some autopark. It is wise to check and see if it is parked.
Paxton
--
Paxton Hoag
Astoria, OR
USA
Date: Tue, 29 May 2012 12:22:23 +0200 (CEST) From: Christian Corti
<cc at informatik.uni-stuttgart.de> To: "General Discussion: On-Topic and
Off-Topic Posts" <cctalk at classiccmp.org> Subject: Re: PDP-11/05 Control
(M7261) won't deposit Message-ID:
<alpine.DEB.2.02.1205291219530.8955 at linuxserv.home> Content-Type:
TEXT/PLAIN; charset=US-ASCII; format=flowed On Sun, 27 May 2012, Jon
Elson wrote:
>> >> Working on a PDP-11/05. The front panel appears to work, I can step through
>>
[...]
> > is likely the write command is not getting to the memory. There are a
> > bunch of ways to make a front panel work, but since this is a raw logic
> > machine (no microcode) they probably worked hard to minimize the logic
>
Stop, the 11/10 and 11/05 are fully microcoded machines. So much that even
the minimalistic switch front panel is handled in the CPU microcode. I've
learned that when I repaired our 11/10.
Oh, yeah! NOW I remember what an 11/05 is, the really short (3U?) machine
with the single-line front panel. YES, for some reason I was thinking of
the 11/20 or whatever the first model was. You are certainly right about
it being microcoded including the front panel control. I did work on an
11/05 about 1980 or so. We moved up to a used 11/45 and then got a
VAX 780.
Jon
We are in need of folded paper tape and cannot find a source? Our plan is to purchase rolls and fold them ourselves. Anyone have any suggestions how best to fold rolled paper tape.
Bob Barnett
Vulcan Inc.
Living Computer Museum
503-522-4848
I have a slipcased users manual for MSDOS 2.10 and a copy of the
Motorola CMOS / NMOS Special Functions Data tech book. They're free for
shipping from the 93306 zipcode in Bakersfield, California.
--
David Griffith
dgriffi at cs.csubak.edu
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
This just made my day..
-------- Original Message --------
Subject: CP/M web browser
Date: Sun, 27 May 2012 13:21:52 +1000
From: Zhu Feng <zhufeng at notmail.com>
Organization: Aioe.org NNTP Server
Newsgroups: comp.os.cpm
Does any 1 know where to download a CP/M web browser that support Javascript?
Working on a PDP-11/05. The front panel appears to work, I can step through and examine addresses in memory, and I can run the CPU and halt it. Deposit, however, does NOT work. When the deposit switch is flipped, the LED's show the correct value, but examining the address again shows no change to memory.
I know that this board is the problem, having swapped in a module from a working computer. I can, with the good board, toggle a test program into core. Then, shut it off, switch in the bad board, and the program (still in core) runs, and I can examine all areas of memory and see it correctly.
I've only begun to glance at the schematics for the control board, but I would assume there is some kind of write buffer that's not working correctly. I'm going to continue to try to figure this out, but without a card extender, it's very difficult to troubleshoot.
Anyone have any ideas on where to start? Failing that, does anyone have an extra M7261 available? :)
-Ian
Hi,
Does anyone know of a source for the rubber belt in a Commodore datasette
(from a PET 2001)? I've considered buying another datasette to get the
belt, but chances are the belt will be as poor as the one I have.
Thanks...Win
> Date: Sat, 26 May 2012 15:53:35 -0700 (PDT)
> From: Mr Ian Primus <ian_primus at yahoo.com>
> To: cctalk at classiccmp.org
> Subject: PDP-11/05 Control (M7261) won't deposit
> Message-ID:
> <1338072815.56383.YahooMailClassic at web121606.mail.ne1.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Working on a PDP-11/05. The front panel appears to work, I can step through and examine addresses in memory, and I can run the CPU and halt it. Deposit, however, does NOT work. When the deposit switch is flipped, the LED's show the correct value, but examining the address again shows no change to memory.
>
> I know that this board is the problem, having swapped in a module from a working computer. I can, with the good board, toggle a test program into core. Then, shut it off, switch in the bad board, and the program (still in core) runs, and I can examine all areas of memory and see it correctly.
>
> I've only begun to glance at the schematics for the control board, but I would assume there is some kind of write buffer that's not working correctly. I'm going to continue to try to figure this out, but without a card extender, it's very difficult to troubleshoot
>
Well, it is not likely to be the buffer (register) as this would require
16 bad FF's. Does the address
increment when you hit deposit? If so, that means the switch is being
sensed. So, the problem
is likely the write command is not getting to the memory. There are a
bunch of ways to
make a front panel work, but since this is a raw logic machine (no
microcode) they probably
worked hard to minimize the logic needed. So, probably the deposit and
exam logic
share a lot of functions, but there is probably a FF that is set for
deposit and cleared
for exam, and then feeds through some gates to perform the memory read
or write.
Something in that chain of logic is most likely where the problem is.
Jon
Hello.
I have an UC08/III, the quad QBUS board with two SCSI controllers,
with metal panel for MicroVAX).
I would try to convert it to a plain UC08, the version for LSI11
without the metal panel.
The doubt is about the electrical compatibility: if I could remove the
panel and solder in place the 50pin berg connectors,
the card could work on a PDP11 in MSCP / TMSCP?
Andrea
Hey folks. I'm looking for a DEC H9281 backplane, the four-slot, dual
width one with screw terminals for power. Does anyone have one lying
around that they can part with?
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
On 2012-05-17 10:00, Holm Tiffe<holm at freibergnet.de> wrote:
> Hi,
> does someone has a newer firmware Version for the UC07 as G143R?
>
> I have a double UC07 in my 11/83 and have problems to get Disks
> with 4Gbytes working. (DCAS-34330 50 pin). I have an Conner CFP2107S
> wich has 2 Gigabytes, I can split the drive and successfully format
> the resulting drives with XXDP or RT11. When I connect the 4GB Disks, even
> when I fake the geometry to 2Gbytes, the controller successfully formts and
> thest the drives, but an init du0: from updat in xxdp doesn't come back.
> same with mdup.mu from an RT11 tape. It simply hangs.
>
> Disk space isn't the concern why I'm trying to use the IBM drives, those
> disk are quiet comparing to the conner 2107s, that is what I want.
>
> Any Ideas?
Sounds like there is nothing wrong with your controller. I would suspect
the software have problems with such large disks... Not that uncommon
actually. It wasn't until RSX-11M-PLUS V4.6 that RSX correctly handles
disks larger than the max capacity of the OS (which is 8GB for RSX, by
the way, but most other OSes have smaller maxes).
Johnny
...Preferably from Data General.
Guys, does anyone out there have some of these? I am a collector and ex-DG employee and would really like to have one or two of these for my collection. Price negotiable...
Many thanks,
peter
|| | | | | | | | |
Peter Van Peborgh
62 St Mary's Rise
Writhlington Radstock
Somerset BA3 3PD
UK
01761 439 234
|| | | | | | | | |
> From:?"J. David Bryan" <jdbryan at acm.org>
> Date:?Sat, 26 May 2012 00:38:37 -0400
> Subject:?Re: HP 3000 micro gx booting MPE/V, Help >>>>
> The HP Computer Museum appears to have MPE FOS images available:
> ?http://hpmuseum.net/exhibit.php?swc=22
>
> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?-- Dave
The RICM has an HP 3000 Series 70. Will this OS run on the Series 70?
http://www.ricomputermuseum.org/Home/equipment/hp3000-series-70
--
Michael Thompson
As much as I would love a pdp-8/m, and as much as I'll probably kick myself for not calling about this, the expense of buying it, crating it, and having it shipped it to California would just more than I care to take on right now. If this were west of the Rocky Mountains, it would already be in my car :)
I have no more info than what's in the post. I don't know what "worse for wear" means in this case, but I hope it's not too beaten up.
http://washingtondc.craigslist.org/nva/sys/3030206025.html
-Seth
A question of nettiquette for the list :)
If I had a question regarding the VAX POLY instruction and
alternatives for post CVAX processors which I think might be relevant
to cctech at classiccmp.org and port-vax at netbsd.org would it be
considered port manners to cross post to both? :)
(Or would cctalk@ && port-vax@ be a better cross post if any?)
Thanks
Any Hp Mpe folks left out there
I have non working 3000/37s with possibly good drives and a 3000 micro GX
that works but has a bad drive. I have tried to boot the micro GX from the
3000-37 drives and get this far.
----------------------------------------
Cold Boot >
HP 32033G.B2.02
Performing a Coldstart
Following Volumes not found
MH7957U1
List Volume tables ?
----------------------------
Seems to freeze after that. It does this on 2 different drives.
Is this even possible to do ???
Does anyone have a OS tape for one of these ??? and which manuals
cover the boot menu and/or startup.
I would like to get both going but the 3000-37's have dead mother boards.
Stan Sieler, are you still around. Seems like every search I do comes up with
your name and advice.
Thanks, Jerry
Jerry Wright
g-wright at att.net
On Tue, 22 May 2012 19:31:10 +0100 (BST), ard at p850ug1.demon.co.uk (Tony
Duell) wrote:
> I personally find it ridiculaor that people are suggesting that something
> like a paper tape reader, for which the mechanical parts could be made in
> any model engineer's workshop and the electronics is a handful of parts
> should be emulated by a scanner (many moe photodetectors than necessary
> and a powerful processor to prewcess the images from said scanner. Please
> stop trhwing silicon ant the problem!
Am I completely wrong if I think I remember that the sprocket holes have
a fixed relationship to the data holes? If so, it ought to be possible
to build an optical decoder, illuminate it with a simple light bulb,
connect it to an input-capable parallel port on a computer with suitable
software, and simply pull the tape through by hand? The sprocket holes
would function as a clock for the data.
Agreed it is rather primitive, but for a one-off job of not too much
tape it could be less work than messing around with a scanner.
/Jonas
I am cleaning out the garage. Found a couple more RA-81 pieces to pass
on. These items are light enough that there is no problem shipping
them. Items are located in the Seattle area.
The drive spindle is about 7" diameter and 6" tall. The platters were
stacked on vertical separators with the spindle in the center. There is
a pleated air filter that goes around the inside, center of the spindle.
The disk enclosure is about 16" wide, 18" long and 7" tall. It held the
platters, spindle and head assembly.
As far as price, make an offer. I really just want to get stuff out of
my garage, but, if someone wants to pay for the stuff that I am getting
rid of, that would be awesome.
For photos, check out this link -
http://www.vintage-computer.com/vcforum/showthread.php?30901-Drive-spindle-…
alan
From: Rod Smallwood
Sent: Wednesday, May 23, 2012 9:09 PM
> Japanese code for example was totally different as their language is
> based on ideographs.
Please stop spreading erroneous information.
One of the writing systems used for the Japanese language, kanji, is
_logographic_ (each written sign denotes a word). In reading Japanese,
each such sign can be read in as many as 10 different ways, depending on
whether it is read as a native Japanese word (or morpheme, that is, a
unit of word formation possibly "smaller" than a full word--English
"-ly" is an example), called kun-yomi "Japanese reading" or as a Chinese
word in one of 4 different sets of pronunciations (kan-on "Han sound",
the most common; go-on "Wu sound", used chiefly in reading Buddhist
texts; to-on "Tang sound", used in reading some later literature; and
kany?-on "idiomatic sound", which are often "correct" Chinese
pronunciations which violate the rules for the other 3 systems). The
occurrence of synonyms complicates things further.
In addition, there are 2 additional scripts, both ultimately derived
>from simplified ways of writing kanji, called hiragana and katakana.
Both are syllabaries, that is, each sign represents a single syllable of
the word, and multiple signs are used to write the word.
The Japanese *language* is based on vocalizations produced by the human
throat and mouth, representing neural events in the brain, like all
other human languages.
Rich Alderson
writing as someone with undergraduate and graduate degrees in
linguistics rather than in my usual role, so not the usual .sig
Just looking at old DECUS catalog entries as to "first hangman" on a DEC computer, it only helps us with DECUS releases, but:
DECUS NO 12-36 Hangman for PDP-12 PDP-12 with A/D, VR12 Display,
Basic LlNCtape System, SK
Memory, ASR33, KWI2, KE12 LAP6
Jud Gilbert , Florida St a t e University, Ta l l aha s s e e , Florida
This word game is based on the penc i I and pape r s t i ck figure
drawing game . One pl aye r types in a book t i t l e and a c lue .
Another pl aye r guesses l e t t e r s . Six incor r e c t guesses loses.
DECUS No. FOCAL-42 (implicitly PDP-8 FOCAL)
The Hangman Game
Dan Miller , Glastonbury, Connecticut
The program a l lows the user to pl ay the game of Hangman'
with the computer .
Project Delta, Clark Barker, DECUS RSTS-11-002
1 REM HANG CLARK BAKER 2/73 DSAA PROJECT DELTA
10 ! HANG WILL PLAY A GAME OF HANGMAN ON A CRT (VT05 OR VT06).