John opined
>More like, if you don't want to spend the money to have some
>obscure data recovered, give it to a criminal who's about to be busted.
So the US people should watch out - law enforcement will just grep the list for the
equipment they want, and threaten prosecution under the copyright or terrorism
laws "unless you want to cooperate".
Hello,
While browsing the classiccmp archives I found an email from Fred van Kempen
about the boot images for DECserver 700-16 terminal servers (wweng1.sys
wweng2.sys) and this email address in it.
I'm not sure if I'm going the right way here, so please excuse me if I'm
wrong.
I just got my hands on DECserver 700-16 but I don't have the boot image and
I was hoping you could maybe forward me a copy of the image!
Thanks a lot!!
Best regards,
Peter Smit
Commodore 64 Confuses Austrian Police
From slashdot.org article http://slashdot.org/articles/06/09/05/2028258.shtml
[Reproduced entirely below]
Posted by kdawson on Tuesday September 05, @07:59PM
>from the at-least-it-wasn't-a-trash-80 dept.
It's funny. Laugh.
toomanyairmiles writes, "It seems that Wolfgang Priklopil, the
communications technician who kidnapped Austrian pre-teen Natascha
Kampusch, relied on a Commodore 64 as his primary machine. Interestingly
this is presenting some problems to the Austrian computer forensics people.
Major General Gerhard Lang of the Federal Criminal Investigations Bureau
told reporters it would 'complicate investigators' efforts' and would be
difficult to transfer the files to modern computers 'without loss.' Could
this be the latest in the criminal world's security strategy? Can we expect
to see Spectrums, Archimedes, and Atari STs turning up in police
investigations soon?"
[Several hundred clueless and a few clueful comments follow-- see the
article on slashdot.org, op. cit.]
[SF] Laws change depending on who's making them, but justice is
justice.--Odo (A Man Alone)
--... ...-- -.. . -. ----. --.- --.- -...
tpeters at nospam.mixcom.com (remove "nospam") N9QQB (amateur radio)
"HEY YOU" (loud shouting) WEB ADDRESS http//www.mixweb.com/tpeters
43? 7' 17.2" N by 88? 6' 28.9" W, Elevation 815', Grid Square EN53wc
WAN/LAN/Telcom Analyst, Tech Writer, MCP, CCNA, Registered Linux User 385531
>
>Subject: PDP-8m Console Switch Problems
> From: Don North <ak6dn at mindspring.com>
> Date: Wed, 06 Sep 2006 01:11:51 -0700
> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
> Cc: cctech at classiccmp.org
>
*****some snippage done....
>Of the front panel switches, DEPOSIT, EXAM, CONT all work fine.
>The CLEAR, EXTD ADDR LOAD, and LOAD ADDR switches are nonfunctional.
>
>What I see is strange behavior in the debounce circuit, and in fact
>the debounce circuit itself is one I have never seen before (and IMHO
>the designer should be hung by his entrails).
>
>In ASCII art, here is a synopsis of the circuit:
>
> +5V +5V 1/6*7404
> | 1/4*74S175 | |\
> / +-----+-----+ | \ to
> 470 \ GND--| Dn Qn |------| >O-----9318
> ohm / | | | / priority
> \ GND--|>Clk QBn |O--+ |/ encoder
> | | | |
> +-------------o| MR~ | |
> | +-----+-----+ |
> | | |
> __O ADDR GND |
> O-/ LOAD |
> | O------------------------------+
> |
> +----+
> |
> __O XTND
> O-/ LOAD
> | O---------->QBn...
> |
> +----+
> ...
> |
> __O
> O-/ DEPOSIT
> | O---------->QBn...
>GND
If you understand TTL and specifically TTL FFs then this is both
logical and sane.
Most NON-BUFFERED (74x74, 74x174, 74x175) D-FFs the output is fed back
to the opposites input so any overload or transient to ground or Vcc
(not safe for device) at the output will affect the devices state.
Obviously if either output is "forced" to a state the other will follow
inverted. The caveat is if either input cannot change due to internal
failure or external logic failure the state will not change but you
may see pulses when it tries to change.
Pulling to ground is is safe as the output current (top transistor)
is limited where the lower transistor can conduct hard.
Unorthodox looking but, completely legit. You would get the same effect
using a pair of (two from) inverters (7404 for example) cross coupling
them and putting a switch across the outputs to debounce the switch.
Bottom line is it worked for 30+ years and something else is broken.
Now one of the things I've seen with older TTL is inputs that are stuck
(likely ESD or other on die failure) to either Vcc or Ground. This could
be either the '174 or the gate/inverter they drive is failed this way.
>I've replaced the top 74S175 device (originally a Signetics 74S175
>date code 1970) with a socket, and have tried other 74x175 parts
>but none work at all (NAT 74LS175 1983, TI 74AS175 1986, SIG 74S175
>1984, TI 74175 1974). Even on the bench in a proto board I can't
>get any of these devices to behave like the original. Yanking the
>QB~ output to hard ground does not force the Q output high. So
>was DEC relying on the aberrant behavior of a 1970 Signetics 74S175?
No, I've done this with TI, Signetics, National and others.
>I'm about ready to rip out the two bogus '175s and replace them with
>some other logic (three '00s if I calculate correctly).
>
>Anybody have any other ideas on what to look for or at?
Check the down stream logic for stuck inputs. When I repaired my 8f
(1973 manufacture date) I had several gates with the inputs stuck
(the driving gate was ok) where the input was hard high or hard low
at the pin and it was the gate itself not driving logic at fault.
A milliampmeter confirmed one gate (7400) with pin 1 hard to VCC
(Iol was >100ma). Drove me nuts as the first part replaced was
a 7474 driving that gate with no fix!
I'd give the 7404 the hairy eyeball! A quick test is socket a '175
with the Q and /Q output pins floating and using a jumper to ground
make it flip [It WILL NOT IF MR/ is asserted, you can bend out the
MR/ pin to avoid that.]. Then test the '04 for input changes output.
Allison
Hello
I have for sale a hp9830 calculator/computer system wich includes the
hp9830A with some extras from infotek(not sure what), a infotek fd-30 mass
memory unit, a hp9862A calc plotter, a hp9866A thermal printer, a hp9869A
card reader, all the cables, extra paper for the printer box of extra cards
for the reader some cassette tapes for the 9830 hp sys test cassette a hp
math pac vol 1 cassette ) all the io hookups 4 the printer plotter card
reader and the infotek mass memory unit. plus the following manuals sys
test instruction manual dated may 8th 1975, quick ref tp 9830Abasic july 1
1975, plotter control rom manual, printer manual, hp9830A 11272Bextended
i/o rom manual, plotter pac, 11274B string variables Rom manual,
11270B matrix operations rom manual, 11278Bbatch basic rom manual, math pac
manual, 11279B Advanced programming I rom manual, 11289B Advanced
programming II rom manual, 11202A I/O interface Instalationb and service
manual. If anybody wants any of this let me know if not clamed in a couple
weeks its going to E-bay pictures will be up soon
Chris Halarewich
I have a couple of ancient modules on the shelf here - they are the
size of an old 3.5 digit DVM module with 4 MAN71 7-segment displays -
I have figured out that the main chip is a Mostek MK5002
counter/display driver, but I can't find any data sheets on Google
(just auctions for the chip). I'm guessing that it might have been
used in some sort of pinball or arcade machine because of some of the
hits I've gotten, but I'd just like to be able to reverse-engineer the
pinout of the edge connector on this module.
Thanks for any pointers,
-ethan
Joost wrote
>They're a storage company now, IIRC.
SGI's going to be adding some machines that are unlikely to be ontopic for many
years yet in partenership with BOXX. Not a complete repeat of the VW series, these
run Linux. Whee.
Here's hoping they get enough back on their feet to get something interesting out again.
Hey! Finally a question I can answer!
> Can the H27 (dual 8" floppy drive) be hooked up to an H8? Or was that
> strictly an H11-only device?
No, the H-27 was strictly for the H-11. I believe it has a built-in
controller (Z-80 based, if I remember correctly) inside the H-27 unit
itself. The controller card for the H-11 (or PDP) was a glorified
parallel interface.
>
> Of for that matter, can an H27 be hooked up to a non-heath Micro
PDP11?
>
You could always by-pass the built-in controller in the H-27 box, and
just interface to the bare drives.
Gary
>
>Subject: Re: Transformer question (only slightly OT)
> From: ard at p850ug1.demon.co.uk (Tony Duell)
> Date: Tue, 05 Sep 2006 00:07:10 +0100 (BST)
> To: cctalk at classiccmp.org
>
>As a result, I feel wall-warts are dangerous in the UK. They do not
>contain na internal fuse, so could in theory draw nearly 30A from the
>mains before the circuit fuse failed. The mains transformer primaty of
>the wall-wart is supposed to burn out in a safe way, my experience
>suggests this is not always the case.
Wall warts, least here in USA must be fused internally or have a thermal
interupter (usually the blow open). I've forcably opened a number of
warts to replace protective devices.
For many projects I use a standard 12V regulated DC wart and if higher
voltages are required a simple multivibrator or switching regulator driving
a suitable hunk of ferrite does nicely. It allows me to work inside
without scary high potentials floating around and also solves the problem
of "the right transformer". If warrented I bury the HV system in a
seperate enclosure on the chassis and bypass the leads so the switching
noise is hidden and in the case of tube (valve) designs keeps it looking
"correct" while saving the annoying and sometimes messy job of winding
a custom mains transformer.
>I _never_ use wall-wards plugged straiht into the wall. Putting them on a
>fuesed extension lead is somwhat safer. Altough personally I prefer a
>decent transformer with fuses in both priamry and secondary circuits.
Not a bad thing to do even here. Though I do it to assure all the warts
are powered OFF when not in use not so much for safety but wasted power
(electric bill).
>> Another thing to have on your shop outlets is GFI protection. It could
>> save your life.
>
>It can also be a right royal pain when a main filter has enough
>unbalanced current to trip it. Ad it won't protect you if you're
>relatively well insulated from ground but manage to connect yourself
>between live and neutral or equivalent.
Still it's some assistance for some cases. Perfection is a goal.
>I use a GFI (RCCD, whatever it's called this week) in placees where there
>could be dangerous leakage (sockets for outdoor appliances, in the
>darkroom (a mixture of electrics and water, after all :-)), and so on.
>But I don't have one on my workbence, nor do I want one.
I have a mix of outlets on the bench some GFI protected some not. When
I'm testing and working on line powered gear I used the GFI protected.
Items that are known and in use I use the direct. Never hurts to have
a good isolation transformer too. A recent addition to the bench power
is a BIG RED BUTTON for those times when an unambigious off NOW is desired.
Power safety is a good thing.
Allison
>
>Subject: Re: Heathkit H27
> From: "Ethan Dicks" <ethan.dicks at gmail.com>
> Date: Thu, 07 Sep 2006 12:30:11 +1200
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On 9/7/06, Jay West <jwest at classiccmp.org> wrote:
>> Can the H27 (dual 8" floppy drive) be hooked up to an H8? Or was that
>> strictly an H11-only device?
>
>Dunno about the H8.
>
>> Of for that matter, can an H27 be hooked up to a non-heath Micro PDP11?
Yes, if you have the heath interface card as well. If memory serves
the standard RT-11 DX.sys was compatable.
>
>My recollection of debugging some H27 issues a couple of years back is
>that there's a boot prom on the Qbus card for the H27. If that's the
>case, then as long as it isn't stomping on a bootstrap ROM somewhere
>else on the bus, then you should have no problems. Heath's card should
>be register-level compatible with either the RXV11 or the RXV21 (can't
>remember which one right now).
The prom on card can be disabled. It worked well with 11/2 and KDF-11A
cpus.
The card is RXV-11 compatable. The big upside with the H27 is it would
format 8" (RX01) disks. The downside is the drives, the spindle clamp
was plastic and would dryout and crack.
>My H-11 came with a KDF-11, DEC memory, pretty much DEC
>everything; just the Heath backplane and PSU and floppy controller.
>The previous owner never booted from floppy, though; he hacked the
>case and added an off-to-the-side CD-interconnect and used an RLV11.
Thats a ugly hack. Many were upgraded to 11/23 cpu, Q18 ram and some
times DLV11j for more IO with fewer boards.
>It took a bit of work to get it all back together.
I'll bet. Test the PS well, the LVSMPS was not every reliable.
Allison
Can the H27 (dual 8" floppy drive) be hooked up to an H8? Or was that
strictly an H11-only device?
Of for that matter, can an H27 be hooked up to a non-heath Micro PDP11?
Thanks for any advice!
Jay West
TEN YEARS AGO, a typical home
computer system might have
been a box with an Intel
processor inside running a
Microsoft operating system.
And there were a few Macs.
Today, a typical home computer
system might be a box with an
Intel processor inside running
a Microsoft operating system.
And there are a few Macs.
What a crock.
Give me them old timey computers, damn it!
VINTAGE COMPUTER FESTIVAL 9.0
November 4-5, 2006
Computer History Museum
Mountain View, California
http://www.vintage.org/2006/main/
Make an entry in your PDA! It is time once again to shun your modern
day computing monstrosity and spend a weekend with its venerable
ancestors at the ninth annual Vintage Computer Festival. VCF 9.0
takes place on the weekend of November 4-5 at the Computer History
Museum in Mountain View, California.
Highlights of this VCF event include:
* A celebration of the 30th anniversary of Apple Computer
Apple didn't want to do it, so we will! Hosted by Bruce Damer of
the DigiBarn, this gala event will feature a bevy of early Apple
founders, including the big man himself, Woz!
* A reprise of the original Sol-20 prototype
Nine years ago, at the very first Vintage Computer Festival, Lee
Felsenstein and Bob Marsh reunited after many years to jointly
present the original prototype of the Sol-20, which hadn't been seen
in public for over 20 years. This year, Lee and a gaggle of
Processor Technology alumni will bring back the venerable grand-
daddy of all Sol-20s to celebrate this ground-breaking personal
computer.
By the way, coverage of the first Sol-20 reunion can be found here:
http://www.vintage.org/vcf98/vcfpics3.htm
* The first Vintage Computer Film Festival
That's right, a film festival dedicated to movies and documentaries
that have a vintage computing theme! At the past two VCF events
we've screened Jason Scott's "BBS Documentary" and Greg Maletic's
"The Future of Pinball", as well as "Walking Rainbow", a remembrance
of Homebrew Computer Club co-founder Fred Moore. We've decided to
take these screenings a step further and turn them into a full-blown
film festival to coincide with the VCF. Film buffs will definitely
want to take note and stay tuned for further announcements.
* Hands-on Build-It-Yourself workshops
The VCF is proud to debut the first Build-It-Yourself workshops,
featuring the hottest retro-computing and retro-gaming kits out
there, including Andre' LaMothe's XGameStation Pico Edition and
Bob Armstrong's Cosmac ELF. More details to come soon.
* Speakers, Exhibits, and the VCF Marketplace
Of course, no VCF would be complete without a terrific line-up of
amazing and interesting speakers. This year's bunch includes Paul
Saffo of the Institute for the Future, microcomputer historian C.
Murray McCullough, Archaeologist and VCF Fellow Christine Finn,
and more to come with new speakers being added weekly.
We're also receiving submissions for some phenomenal and exciting
exhibits. Perhaps you've got a computer you'd like to bring along
to show to the world? Sign up to be an exhibitor! Go here:
http://www.vintage.org/2006/main/exhibit.php
And of course we have the ever-fabulous VCF Marketplace featuring
hard-to-find items that will start your adrenaline pumping. Bring
cash. Lots of cash.
* more, More, MORE!
Another fantastic celebration is in the works, and I don't think
we're done just yet, so watch for upcoming announcements to litter
your inbox and check the website for more exciting details to be
revealed in the coming hours, days and weeks!
Best regards,
Sellam Ismail
Producer
Vintage Computer Festival
http://www.vintage.org/
P.S. The Macs were then, and are now, much cooler than the PCs ;)
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
--- "Zane H. Healy" <healyzh at aracnet.com> wrote:
> At 5:13 PM -0700 9/5/06, Zane H. Healy wrote:
> >Do the Amiga CD32 pads work? I simply *ASSUMED*
> they would be wired
> >differently, I didn't bother to try to plug it in
.
> There was actually one
>
> I found indication online that the CD32 pads shoul
d
> work, however, I
> can't get any of the fire buttons on the one I hav
e
> to work. The
> directional part seems to sort of work, but I had
to
> use the space
> bar to fire in the game I was playing.
>
> Zane
>
I have gotten CD32 pads to work on my Amiga.
The red button can be used a a joystick fire
button, and one other can *sometimes* be
used for games that detect 2 joystick fire
buttons.
It was only a theory that they might work
on other computers.
Lke I said in my original mail, some of the
wires *may* need swapping to get it to
fully work.
Regards,
Andrew B
aliensrcooluk at yahoo.co.uk
I'm aware of the TRS-80 PT210 and the TI Silent 700 line of portable
printing terminals. All are incapable of printing lowercase. Is anyone
here aware of one that does do lowercase?
--
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?
bye-bye...
http://www.sgi.com/support/mips_irix.html
Not unsurprising, but I don't think it leaves SGI with much of a
product... What's left their Linux Altix's?
David
Re: "I wouldn't scan (especially post!) them as JPEG images. I'd suggest
that you do this the way that Al Kossow does with Bitsavers docs - scan as a
1bpp TIFF"
I absolutely disagree with this.
These are not product manuals. They are magazines. Much of the interest is
in the advertisements. Photos in the magazine are in color. I've been
doing a lot of exactly this type of work (40,000+ pages worth) and the right
way to do it is to create an Adobe Acrobat PDF file, but the scans should,
in my opinion, be color JPEGs for pages with color, and 256 shades of gray
grayscale for pages that have no color at all. All scanned at 300 dpi,
unless there is a specific reason to scan at a higher resolution.
As to the original post, I don't think it's inherently wrong to destroy the
magazines for scanning, and they are not all that rare, but neither are they
all that commonplace (I have a complete set from the first issue to sometime
in the mid 1980's). As to copyrights, they are copyrighted, the copyrights
are still valid, the owner (McGraw Hill) still exists and might or might not
object (much depends on what is done with them). However, the most likely
outcome even if they do object is that they send you a letter asking you to
take them down and cease distribution. I can't imagine an actual action
against anyone who complies with such a request.
By the way, if you do scan them, I'd like very much to have them.
-Barry Watzman
> From: "Roy J. Tellason"
> I wouldn't mind getting some nixies to play with at some point, but it's not
> a real high priority item on my list. I did have one assembly that I picked
I've found that nixies are not very hard to find; just check out older test
equipment. I picked three pieces of test equipment a couple of weeks ago for
basically nothing, each of which was working and used nixies for the displays.
I've got a DEC SC008 star coupler, complete with rack, doors, and
everything that I'm never going to use. There's no way I'm going to ship it
(it's a complete short corporate rack, after all!) so anybody who wants it
would have to live within driving distance of Milpitas CA.
I'd really like to trade it for an H967 "short" traditional rack. Note
that the 967 is neither the taller H960 traditional rack, nor is it the
shorter new "corporate" style rack - the 967 is about 50" tall (with
casters) and holds 24U. I'd be happy with just the bare rack; I don't need
doors or side panels.
H967s aren't that common, though, so it's a long shot that I'll find one.
Let me know if you're interested in the SC008, even if you don't have one.
Thanks,
Bob Armstrong
>>> I think that this just squeaks in as being on topic.
Granted, this is the on- and off-topic list, vs. cctech as frequently (and
recently!) noted here. But having said that, and at the risk of starting
the you-know-what conversation, I * strongly * disagree with putting
"Pentium" (or anything newer than most computers based on a 286/386) into
the on-topicness of classiccmp. I know this is supposed to be a vaguely
family-friendly list and all, but as for the fucking 10-year-rule, I say
let's fucking throw it away and never fucking bring it up again.
Chronological rules don't work because of Moore's Law.
There are two different "M" files: there's the miniroot, which must be copied to the swap before it's booted with the
-sw flag.
The other file is MUNIX, which is M(emory resident)UNIX, and fits entirely in RAM with a RAMDISK filesystem. It is what
is used to label a disk when the disk is blank and can't be used for the miniroot.
>
>Subject: Re: portable printing terminals
> From: Fred Cisin <cisin at xenosoft.com>
> Date: Tue, 05 Sep 2006 14:35:23 -0700 (PDT)
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On Tue, 5 Sep 2006, David Griffith wrote:
>> I'm aware of the TRS-80 PT210 and the TI Silent 700 line of portable
>> printing terminals. All are incapable of printing lowercase. Is anyone
>> here aware of one that does do lowercase?
>
>There was an accessory ROM for the Silent 700 series for lower case.
>It was not a very nice font.
>
>--
>Grumpy Ol' Fred cisin at xenosoft.com
What about the DEC LA12, it was a complete KSR printing terminal with/WO
modem.
Allison
--- David Griffith <dgriffi at cs.csubak.edu> wrote:
> On Tue, 5 Sep 2006, Roy J. Tellason wrote:
>
> > On Tuesday 05 September 2006 02:56 am, Zane H.
> Healy wrote:
> > > Still can't find a Joystick (found Joysticks f
or
> literally every
> > > other system today, and I know I have 4+ 2600
> joysticks),
> >
> > They're the same...
>
> I know that Commodore made their own joysticks, bu
t
> everyone I knew during
> the C64's heyday simply used Atari 2600 sticks.
>
> --
> David Griffith
> dgriffi at cs.csubak.edu
>
Can't you use Spectrum joysticks too??
Or how about Sega Megadrive or Amiga CD32
pads?? I know it would depend on which pins
were used for button and direction detection
but they might work...
I hate using joysticks these days.
Regards,
Andrew B
aliensrcooluk at yahoo.co.uk
Passing along a Pls. call this guy directly.
WILLIAM WEAVER wrote:
> Hi
> HeathKit based systems
> I have some old cpm systems and 1 cpm/dos hybrid s100 bus system.
> 8" floppy drives w/floppys, corvus 10meg hard drive,
> 5.25" 90k hard sectored drives & floppys.
> 5.25" 720k soft sectoreddrives and floppy's
> Most documentation/manuals available.
> tons of cpm software and very early ibmdos zdos msdos
> programs & ops systems.
>
> any takers
> getting ready to dump it all soon one way or another
> so please respond by or b4 6 SEPT 06
>
> email back or
> ask for will 415-468-0960 leave message ok
> san fran, ca