I wouldn't mind moving a few more copies out of this stack of 100 freshly printed books! So I'm knocking $3 off and it's shipped free in the US ($3 off international shipping).
David Greelish, Computer Historian
- Author, "The Complete Historically Brewed"
- Founder, Atlanta Historical Computing Society
- "Classic Computing Show" podcast
- "Stan Veit's History of the Personal Computer" audiobook podcast
- "Retro Computing Roundtable" podcast
ClassicComputing.com | atlhcs.org
>I also have a MicroVAX I (Currently housing a KA650, but I still have the
>original boardset). It would be fun to get it running VMS -- the MicroVAX
>I tops out at VMS 5.1, though. Where can one find media (and licenses) for
>older versions of VMS?
The license comes from the VMS Hobbyist Program. It's good for any version of VMS, from 0.whateveryoucanfind to 8.4.
Even though early versions of VMS do not enforce licensing through the LMF, it's still required.
Media can be borrowed. HP doesn't care where you get it, but asks that it not be posted for public download.
Does anyone have the O/S, Applications, and Diagnostice disks for this
ancient IEEE 488 bus controller (Fluke 1720A)? It used a TI 9900
processor if I remember correctly. The operating system was called FDOS-
a custom effort too I think, distributed on three 5 1/4" floppies. This
is no longer available from anywhere or anyone, including Fluke.
Thanks for any help and/or leads.
a few days ago I introduced my USB to Omnibus adapter module. I'd like give you
As you might have seen on pdp8.hachti.de?gallery/omnibus_usb the board I made
first was only half height and used three CoolRunner II CPLDs.
I made a slight redesign of the board:
- Full size Omnibus board. One could even mount DEC handles if he wanted to.
- CPLD is now one big XC9572XL-TQ100.
- Added working DIP switches, TX and RX device code are freely selectable.
The board still uses the 7438 as bus drivers. And YES - I still use the "wrong"
drivers. As Plessey did on their RK05 controller... And that controller is said
to be more reliable than the original RK8E. So 7438 cannot be the worst choice.
So please no more discussion about that.
I'm very sorry that I just don't have a really loaded PDP8/e at hand to test the
board. But I tried my best and loaded the test system with some hardware which
was just at hand:
- Front panel
- Two backplanes in system
- CPU + EAE
- M837 memory extension and time share
- KL8J terminal at 03/04 and 9600 baud
- 24K core memory (3x8)
- MI8-EA bootstrap diode board
- Bus loads
- OMNI-USB :-)
That makes 24 boards in the system. Without the core memory boards which don't
use anything than ground it's still 21. There are 13 slots left.
The sytem is running OS/8 while I'm writing this. It just works.
Booting works, transferring data over USB works, TD8E worked (until the TU56's
PSU broke down a few minutes ago :-), RK8E works, terminal works. Looks good.
Oh, kermit runs so fast...!
I have decided to make a 25 piece batch of the new board. A prototype without
gold fingers (it will have gold fingers in the end) can also be seen in my new
Price is EUR 105 without any tax and any shipping. Shop initially displays EUR
125 incl. German VAT.
Shipping of the boards will be in the beginning of April. April 2nd seems to be
a bit too optimistic due to PCB manufacturing time. But I'm quite condident that
it will be in the first week of April.
You can already order/pay now. I very much appreciate that because it helps me
to pay the boards and parts. The other effect is that I'd get a real resonance.
Currently a handful of people told me that they want 15 boards. Some of them
already ordered (big THANK YOU!), some are very quiet.
Dipl.-Inf. (FH) Philipp Hachtmann
Buchdruck, Bleisatz, Spezialit?ten
Alemannstr. 21, D-30165 Hannover
Tel. 0511/3522222, Mobil 0171/2632239
hachti at hachti.de
UStdID DE 202668329
Hi, an update on available S-100 board PCBs
Good news!? There are several new and reordered S-100 PCBs available!
The S-100 68K CPU boards are almost gone and there is still 1 available.
There are 23 of the S-100 IDE V2 reorder PCBs and 3 of the new S-100 bus
terminator/prototyping board PCBs.
There are 3 of the S-100 LAVA PCBs available.
The S-100 PCBs cost the same as before ($20 each).? However due to
unforeseen extreme price increases in shipping by USPS I am forced to change
Shipping in the US will be $3 for a single PCB and $2 for each additional
PCB.? Shipping internationally will be $10 for a single PCB and $3 for each
additional PCB.? This is for the bare basics USPS first class postage with
no tracking or insurance.? The builder assumes all risk of delivery as per
I apologize for the large price increase on shipping but this is out of my
hands.? The USPS is in dire financial trouble and is raising prices on
shipping.? It affects us all and is most unfortunate.? These boards are
provided "at cost" so there is no margin to absorb any shipping price
increases.? I have to pass them along.
If you would like one or more S-100 PCBs please send a PayPal to
LYNCHAJ at YAHOO.COM
Thanks and have a nice day!
PS, if you would like to help out this all-volunteer project please get one
or more of the S-100 LAVA PCBs. These PCBs are the oldest ones and them
sitting around on a shelf does no one any good. I?d like these to go to a
hobbyist who would get some enjoyment from these fun to build and use
boards. Thanks in advance. I truly appreciate everyone's support in moving
these remaining boards. You make this hobbyist home brew project possible.
During the ongoing clearout, I've found some full-length EISA
controller cards. By the look of it, there are some SCSI 2 host
adaptors - they have high-density 50-pin connectors on their
backplates - and what might be ESDI controllers.
I don't own any EISA machines any more and am not expecting to, so if
nobody wants these, I will send them to recycling.
Free for the cost of postage. Surface post to the USA/Canada/south
America would not be /too/ prohibitive. They're currently in London.
I've never had any interest in anything on the Vintage Computer boards
& I don't think these are worth eBaying, but if anyone wants to
disseminate this offer, please feel free - including my email and
other contact details in the .sig.
Liam Proven ? Profile: http://lproven.livejournal.com/profile
Email: lproven at cix.co.uk ? GMail/G+/Twitter/Flickr/Facebook: lproven
MSN: lproven at hotmail.com ? Skype/AIM/Yahoo/LinkedIn: liamproven
Tel: +44 20-8685-0498 ? Cell: +44 7939-087884
I've been working on an IBM Selectric typewriter which I bought earlier
in the year. It is the I/O Selectric type 735 which differs from a
normal Selectric in having the solenoids and switches on it to allow it
to be used as a printer and keyboard.
When I got it the motor wouldn't run, and the mechanism was jammed. The
motor problem was its thermal trip, which is meant to be the resettable
type, so I replaced that. I gave the whole thing a clean with
degreaser, which freed up the mechanicals, then oiled and greased it.
It then worked happily as a typewriter.
I have made a small interface, based on an Arduino Mega 2560, which
provides a serial port. Currently this only supports printing, but will
be extended to include the keyboard. It uses almost all the digital I/O
on the Mega (15 solenoids, 27 contacts.)
There are still some adjustments to be done, and I am awaiting a set of
Bristol Wrenches (Keys) so I can safely do these. I have tried using
Torx and Allen keys, and while they can be made to 'fit', it doesn't
seem like a good idea.
There are some pictures and videos of the typewriter here:
You can get the Arduino interface code here:
I haven't yet documented the hardware I used for the solenoid drivers,
but if anyone is interested I can put some notes together (basically:
Arduino output to 2N7000 FET buffer to ITS4140N +48V high-side driver on
the output side, and a simple 250R pullup to +5V on the input side.)
(or other Bitsavers mirrors)
Info on the Mega2560 here: http://arduino.cc/en/Main/arduinoBoardMega2560
Lawrence Wilkinsonlawrence at ljw.me.uk
The IBM 360/30 pagehttp://www.ljw.me.uk/ibm360
I have been advised to post here for some information about some old
computer equipment I have.
What I seek is advise on the value or how to find the value and sell the
2x 3M data cartrage desktop storage file
3X (1 opened, 2 sealed) 3M data cartrages DC6151
1X Diaspron Total Shield, 12"
1x Selmar Multi-way distribution block (extension lead with a standard plug
and 6 'kettle' sockets)
2X leads with 'kettle' plug and socket
2x leads with 'kettle' plug and 2 in plug
30x leads with kettle plug - nothing on other end
I realise the leads have very little value, but I am unsure about the rest.
Thanks for your time
I've been learning about the PDP-11 lately thanks to the wonder that
is Simh, running various software on it and generally having fun. I
don't have any purpose other than that at this time. I've been running
everything I can get my hands on though I find, given my background,
tastes and biases, that it's usually either Unix Version 7 or,
especially, 2.11BSD that I'm firing up and exploring rather than, say
the more DEC traditional RSTS/E.
That said, I've been wondering what would be different (aside from
noise & heat ;) about running 2.11BSD on hardware rather than in Simh
on my increasingly decrepit Dell C640 running Xubuntu. Logically I
should spend the money on a new intel based laptop but what's the fun
But then that turns on the question - is there even a cheap PDP-11
that can run 2.11BSD? I don't need a speed demon but how small is too
small vs big enough?
Let me see if I understand correctly what I would need:
A BA23 or BA123 chassis. Would others work as well?
A CPU with separate I/D space. 11/23, 11/53, 11/73, 11/83 or 11/93
would work with the Q-bus chassis above.
1mb to 4mb memory, 1mb is absolute minimum for 2.11 BSD & 4mb is
Disk controller - though more expensive, sanity really says I should
find a SCSI controller like RQZX1, Emulex UC-7 or CMD CQD-220. I have
old SCSI disks; ESDI & the like? Not so much ...
A RQDX3 & RX50 or TQK70 & TK70 would probably be in the 'nice to
have' category as well.
DELQA ethernet controller
Would this work? What are the going rates for hobbyists (rather than
resellers to those with production equipment)? Are there any, hmm,
less expensive bits here or there?
This is mostly a thought experiment as I don't really have the
disposable cash right now for the various parts right now. OTOH, I
find the process of learning more about the hardware, what would be
required and how it functions, to give me a better understanding of
what I'm doing with the emulator.
Thanks to all here (the 11/23 thread has been of great value to me)
and to bitsavers ;) and all the other fun resources out there.
Live like you will never die, love like you've never been hurt, dance
like no-one is watching.