> > Well, I think the guy is on crack but YMMV. As I would not pay
> > anywhere near that much for this system, someone else might so if you
> > are interested contact him directly, not me.
> > I do have the following:
> > * Apple IIgs Limited Edition (signed by Steve Wozinak) with
> > Authenticity certificate
>> If you were looking for donations, I am sorry, but for the moment, my
>> price is $6500 plus shipping (insured). If you are not interested,
>> please pass the word on.
USD 6500 - Maybe for an Apple 1 including box.
> I think this guy is on crack, ludes, hashish, pot, heroin, and any other
> drugs you might dream up. I've passed on systems like this priced at
> $200!
> Tony
200 ? thats a lot.
And: I know crack, pot, etc. but whats YMMV ?
Gruss
H.
--
Ich denke, also bin ich, also gut
HRK
Hey Tony!
I readjusted the bus jumpers again, and checked all connections.....
> b ar()
Boot: ar(0,0,0)
Boot: ar(0,0,3)
then it booted!
Thanks, I'll tell you how I progress with SunOS installation!
Cheers
Karl
------------------------------------------------------------------------------
Karl Maftoum
Computer Engineering student at the University of Canberra, Australia
Email: k.maftoum(a)student.canberra.edu.au
At 02:00 PM 7/19/98 -0400, Doug Spence wrote:
>
>Is this the same Microway that used to make Flicker Fixer boards for Amigas?
Yes. The FF was developed by an independent fellow named
Pete Selverstone, who had the hardware manufactured and sold
through Microway, who seemed to dabble in a number of esoteric
devices at the time.
- John
The other day I was mucking around in the room I store most (some,
according to my girlfriend 8^) of my collection, and all of a sudden one of
the shelves holding a bunch of Toshibas, collapsed. Luckily, I was there
and was able to keep them from crashing to the floor, but still...
Upon closer inspection, it looks like the shelf with (some of) the GRiD's
is about ready to go as well. These are those metal shelves you get at
Target for $8 on sale.
So, I guess my question is, how to others store their collection? Keep in
mind that I'm in San Francisco, and that Earthquakes are an issue. Thanks!
Oh, and latest finds: another Panasonic Senior Partner (I really need the
specs on these if ya got 'em!) and one of those HP ThinkJets which I'm
actually gonna hook up to my Dad's computer (as soon as I figure out where
all those printer cables I use to have are!)
Most interesting was a Cable Demodulator. Yep, not a MOdulator/DEModulator
(MODEM), but just a Demodulator. Apparently, TCI at one time sent out a
free signal on the cable that could be read by anyone with a PC and one of
these boxes. So, anyone know if they still do that, and what software one
would need?
I also picked up a Mobidem, sans cable, of course, which appears to be a
radio modem made by Ericsson. If anyone has any info on this....
Last but not least, a Datasonix Pereos tape drive. It's a little unit not
much bigger than a microcassette that is supposed to be able to back up a
GB on a single cartridge. Unfortunately, I got no tapes with it, and the
only source I've found so far (www.datasonix.com) is pretty pricey
considering I don't know if it works. Anyone know of a cheaper source for
these tapes?
Thanks!
--------------------------------------------------------------------- O-
Uncle Roger "There is pleasure pure in being mad
roger(a)sinasohn.com that none but madmen know."
Roger Louis Sinasohn & Associates
San Francisco, California http://www.sinasohn.com/
At 06:19 PM 7/31/98 -0700, Kai wrote:
>I just had to pass this on to the list.
>http://shell.rmi.net/~bslatner/humor/pournell.html
The parody mentions his kids - week before last, I bumped into
Alex Pournelle walking around in one of the computer history
exhibits (where one of my Teraks was on display) at the
ACM SIGGRAPH computer graphics convention in Orlando.
For many years while I was working as a freelance writer, I'd see
Jerry in person at press events at computer shows, and I knew many
of his assistants / toadies. Ugh. It was frightening what he was
given, and how little time he spent with it, and how little he
understood it.
Alex has certainly inherited or adopted many of his father's traits,
including the condescending dismissal and endless bumming of
software and hardware. He and another writer are working on
a WinNT "studio" book, and are gathering all the 3D and video
stuff they can find - but of course, many writers do all that.
Where does it all go? It depends. The more pricey the toy,
the less likely someone gets to keep it forever. Software
often has no value on this spectrum, and stays in the hands of
the reviewer, who might keep it or even resell it.
(I was once appalled by the brisk cash gathered by a "reviewer"
of books for a newsletter for librarians, who'd turn a bagful
of new books into cash each week at the nearest used book store,
after dismissing each with barely a paragraph "review".)
For someone of Poor-Nelly-ian magnitude, you've ultimately
got to *hire* someone to be in charge of returning and
donating all the stuff that arrives. Keep in mind, a great
deal arrives unsolicited.
I note that the parody was written by Ed DeJesus, an actual
editor at Byte, who oversaw my first and last Byte article (see
<http://www.byte.com/art/9507/sec8/art5.htm>.
I recently saw a summary of the mindset of the Pournellian branch
of science fiction as "Space is like Texas, only bigger."
- John
I think this guy is on crack, ludes, hashish, pot, heroin, and any other
drugs you might dream up. I've passed on systems like this priced at
$200!
Tony
> -----Original Message-----
> From: David Williams [mailto:dlw@trailingedge.com]
> Sent: Tuesday, August 04, 1998 4:12 AM
> To: Discussion re-collecting of classic computers
> Subject: Fwd: Apple IIgs Rom 0 Available?
>
>
> Well, I think the guy is on crack but YMMV. As I would not pay
> anywhere near that much for this system, someone else might so if you
> are interested contact him directly, not me.
>
> ----- Forwarded message -----
> Return-Path: <will(a)technotrack.com>
> Date: Mon, 03 Aug 1998 22:21:37 -0500
> From: will <will(a)technotrack.com>
> X-Mailer: Mozilla 4.05 [en] (Win95; I)
> Subject: IIgs for sale
>
> I do have the following:
>
> * Apple IIgs Limited Edition (signed by Steve Wozinak) with
> Authenticity certificate
> * 5.25" drive
> * 3.5" 800K drive
> * 52 meg hard disk
> * 1 meg Apple memory expansion board.
> * Apple ImageWriter II
> * Keningston System Saver IIgs
> * SCSI card with DMA and caching
> * AppleWorks 3, PrintShop IIgs, many TimeOut add-ons to AppleWorks
> * All manuals and cables (I have some, but not all, boxes),
> monitor,
> ADB keyboard, and ADB mouse
>
> If you were looking for donations, I am sorry, but for the moment, my
> price is $6500 plus shipping (insured). If you are not interested,
> please pass the word on.
>
> -----
> David Williams - Computer Packrat
> dlw(a)trailingedge.com
> http://www.trailingedge.com
>
Reminds me of a trick Penn Jillette (of the magician duo Penn & Teller)
thought somebody (somebody other than *him*) should try on their laptops
next time they pass through an airport:
AUTOEXEC.BAT
echo ARMING....
echo ARMED
echo 10
echo 9
echo 8...
(Note: This may well be a federal crime, and I don't recommend it. It's
also a bad idea to call and wave to friends in airports ("Hi, Jack!") and
to disparage the in-flight movie ("'My Best Friend's Wedding?' What a
bomb!").
-- Bill
Sam Ismail <dastar(a)ncal.verio.com> on 07/22/98 08:20:58 PM
Please respond to classiccmp(a)u.washington.edu
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
cc: (bcc: Bill Sheehan/Corporate/SWEC)
Subject: Re: Compaq
On Wed, 22 Jul 1998, Tony Duell wrote:
> As I mentioned once before, I once carried a VR201, by its handle, on a
> train. Now, in that orientation, it looks a little like a bomb or land
> mine, so I stuck a little label on each side with 'Danger Implosives' on
> it, in red pen. Got some _very_ odd looks :-).
Haha. That's a ballsy act. I wonder what would happen to you if you
tried that today.
Ok, now grow your beard out a little and try it in Arab head-dress.
Sam Alternate e-mail:
dastar(a)siconic.com
---------------------------------------------------------------------------
----
Ever onward.
September 26 & 27...Vintage Computer Festival 2
See http://www.siconic.com/vcf for details!
[Last web page update: 07/21/98]
I cannot attend the VCF but would like a shot at winning the IMSAI
8080 anyway. If I buy a $5.00 admission ticket and mail in the stub,
would I be entered into the drawing for the IMSAI 8080? On the wrong
coast-
Marty
______________________________ Reply Separator
_________________________________
Subject: Vintage Computer Festival Announcement
Author: classiccmp(a)u.washington.edu at internet
Date: 8/4/98 12:55 AM
___________________________________________________________________________
| |
| .================================================================. |
| // ______ o_ ___________ \\ |
| // / \ \ o o o o o o | ____ \ \\ |
| H / | | | | | | | | | | \ \ \\ |
| H / ____|____|____|____|____|____|____|____|____|____|___ \ \ `=o |
| H | | | \ \ |
| H | | The Premier Event for Computer Enthusiasts is Back! | \ \__ |
| H | | | \ | |
| H o | V I N T A G E C O M P U T E R F E S T I V A L |__ \ o |
| H | | \ \ |
| H \ - VCF 2.0 - | \ `-o |
| H | |\ `----o |
| H | September 26-27, Santa Clara Convention Center | `-------o |
| H / Santa Clara, California | |
| H | | |
| H | Speakers, Exhibit and Flea Market | |
| H | | |
| H | O http://www.siconic.com/vcf | |
| H |_____________________________________________________| ____o |
| H | | | | | | | | | | / |
| H | | | | | | | | | |______/ |
| H============' | | | | | | | |_________________ |
| H / | | \ \ \ |_____________________ | |
| H / / | `-o \ \ || |
| H o___________/ / \______ \ \ || |
| H o \_____|____|___________________ || |
| H ____________________________ | | || |
| H | | | The S P E A K E R S | || |
| `=| Why would YOU come to the | __| |___|| |
| _| Vintage Computer Festival? | | | | |
| | |____________________________| | KEYNOTE SPEAKER | | |
| |__________________________________| | | |
| ________________________ ___|-Gordon Bell |__ | |
| | || || || | / | | | |
| .-| To Learn the History |--' | Father of the Mini-computer! | | |
| | |__||_||_||______________| | Mr. Bell will speak about | | |
| o ________________________ ___| his pioneering work on the |____| |
| | || || || | / | DEC PDP-1, PDP-8 and PDP-11 | |
| o-| For the Nostalgia |--' | | |
| |__||_||_||______________| | FEATURED SPEAKER | |
| o ________________________ \______| |___o |
| | | || || || | |-Ray Holt | |
| `-| To Hear the Speakers |-._____| | o |
| |__||_||_||______________| | Who really invented the | / |
| ________________________ ____| first microprocessor? Guess |___/ |
| | || || || |__/ | again. This designer of the | |
| .-|To Buy Vintage Computers|-------| JOLT and Synertek SYM-1 sin- |-----o |
| | |__||_||_||______________| | gle-board computers will re- | |
| o ________________________ ______| veal why computer history |_____ |
| | || || || |/ | may need to be re-written. | | |
| o-|For the Games & Contests|--. | | | |
| |__||_||_||______________| \___|-David Rutland | | |
| ________________________ __| |_____| |
| | || || || | | On the National Bureau of | | |
| o-|To Meet Other Collectors|-o | Standards Western Automatic | | |
| |__||_||_||______________|___ | Computer (SWAC). Mr. Rutland | | |
| ________________________ \___| worked under Harry Huskey to |__o | |
| | || || || | | help build this first com- | | |
| o-| To Meet the Pioneers |---. | puter west of the rockies. | | |
| |__||_||_||______________| \ | ____ O | | |
| ________________________ \ |____________/ \____________| | |
| | || || || | \ | |
| .-| For the Prizes! |----. \________________________________o | |
| | |__||_||_||______________| \ | |
| | \__________________________________ | |
| o o________ \ | |
| ,=============o \ ______________________________ | | |
| // | o__ \ | | | | |
| H ___________|________ \ \ |-Tom Geller | | | |
| H | | \ \__| |___| | |
| H \ Philosophy of the / \ | Whether you're into game | | |
| H | Vintage Computer |___ \ | consoles, handheld devices, | | |
| H | Festival... | \ \ | arcade machines or personal | | |
| H / \ \ \__| computers, there's a Mac- |_____| |
| H | The main mission | \ | based emulator for you. | |
| H | of the Vintage | \ | | |
| H | Computer Festival | \ |-Jim Willing | |
| H | is to promote the | \__| |____o |
| H | preservation of | | Jim will demonstrate ways in | |
| H | "obsolete" compu- |___ | which you can put computers, | |
| H | ters by allowing | \ | new and old, back to work in | |
| H | attendees to ex- | \_____| the classroom. Also, how to |___ |
| H | perience the tech- | | care for your old computers. | \ |
| H | nologies, people | | | \ |
| H | and stories that | |-Bruce Faust | | |
| H | embody the remark- | ______| |__o | |
| H | able tale of the | / | Bruce will tell you every- | | |
| H | computer revolu- | o' | thing you want to know about | | |
| H | tion. | | the Toshiba T1100, the first | o | |
| H |____________________| ___| "laptop" computer. |__/ | |
| H | / | | | |
| H o o______/ |-Manny Lemas | | |
| H _________________________ | | o | |
| H o__| VCF2 S P O N S O R S |___| Manny will discuss his work |__/ | |
| H | www.haggle.com | | in the early days of the | | |
| H____| Dr. Dobb's Journal | | microcomputer revolution, | | |
| H |_________________________| | including publication of the | | |
| H __| first microcomputer journal |_____| |
| H / | and his involvement with the | | |
// |
| H ________ ________ / | Synertek SYM-1. | | |
| H |o \__/ | / | | | |
| H_____| |_/ __|-Philip Belben |___o | |
| H | Test your computer | o' | | | |
| H | history knowledge! | | Philip will be presenting a | o |
| H __| |__o | workshop on the pre-history | |
| H | Nerd Trivia | __| of the graphics workstation. |_____ |
| H | Challenge | o | | ____ O | H |
| H o___| |_/ | |__________/ \______________| H |
| H | Only at VCF 2.0! | / H |
| H | | / H |
| H _| - Also - |__/ ___________________o H |
| H / | | / H |
| H o' | A screening of | / __ ___ __________________ H |
| H __| vintage computer |____/ | |__| | | H |
| H / | sales and training | | |Someone lucky will|==-----H |
| H | | films from the | | | go home with an | H |
| H | __| 50s, 60s and 70s |__ | _ | | H |
| H | | by San Francisco | /| (_) | IMSAI 8080 |==--o H |
| H | | stock footage | / | | | H |
| H | o_| film archive |____/ | | See the VCF web | H |
| H o | Oddball Film+Video | | __ | site for details |==--o H |
| H |____________________| |__| |___|__________________| H |
| H H |
| \\ // |
| `=====================================================================' |
| |
| V2.0 rev 2 http://www.siconic.com/vcf (C) SICONIC 1998 |
|___________________________________________________________________________|
Sam Alternate e-mail:
dastar(a)verio.com
-------------------------------------------------------------------------------
September 26 & 27...Vintage Computer Festival 2.0!
See http://www.siconic.com/vcf for details
[Last web page update: 07/26/98]
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From: Vintage Computer Festival <siconic(a)jasmine.psyber.com>
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
Subject: Vintage Computer Festival Announcement
MIME-Version: 1.0
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Anyone out there have a spare S-100 RAM card (any size) that they would
be willing to part with? I need one for the IMSAI, cant test it properly
without one :)
Tony
Hi again,
Thanks for all the help with getting the thing booted, I managed to get
the miniroot installed on xy0 (an aging Fujitsu M2322K on a Xylogics
450(451?) controller), and it boots quite happily off the miniroot into
single user mode, the SunOS install program is quite advanced for 1986,
and very easy to use! Just select the packages and put the tapes in when
asked.
Along the way i've noticed that one of my memory cards seems to be faulty,
it currently has 7mb of ram (4mb + 1mb + 1mb +1mb), after numerous
"Protection Bus Faults" I removed all but the 4mb card, and all is fine, i
was able to up it to 6 and isolate the faulty card. I'll probably end up
replacing most of the 4164 chips on that board, i think I have a box full
of them somewhere :)
The only problem I seem to be having is that, the first time I installed
SunOS, when it goes to boot multiuser, it stops at "Using 100 buffers
containing xxxxx bytes of memory" then appears to write continously to the
HDD, (I verified this by clicking the WP switch on, and it dumped errors
everywhere). it's not the rc files, i'll have a go at reinstalling SunOS
again and see.
There appears to be another problem, I don't have the manufacturers bad
block data for the drive, and as such when i reformatted the drive it has
no bad block info.... Now I did try "scan" in the diags to rebuild the bad
block table, at which point it filled the bad block table and declared the
drive unusable. I am slightly dubious of this, as the format/verify then
failed where it had worked previously. Resetting the drive returned things
to a sane state, and the format/verify completed correctly... any ideas?
On the up side, the Tapemaster 1/2" tape and the ethernet interface is
working, when it does finally work it'll be plugged into the university
LAN....should make an interesting curiosity :)
Cheers
Karl
------------------------------------------------------------------------------
Karl Maftoum
Computer Engineering student at the University of Canberra, Australia
Email: k.maftoum(a)student.canberra.edu.au
___________________________________________________________________________
| |
| .================================================================. |
| // ______ o_ ___________ \\ |
| // / \ \ o o o o o o | ____ \ \\ |
| H / | | | | | | | | | | \ \ \\ |
| H / ____|____|____|____|____|____|____|____|____|____|___ \ \ `=o |
| H | | | \ \ |
| H | | The Premier Event for Computer Enthusiasts is Back! | \ \__ |
| H | | | \ | |
| H o | V I N T A G E C O M P U T E R F E S T I V A L |__ \ o |
| H | | \ \ |
| H \ - VCF 2.0 - | \ `-o |
| H | |\ `----o |
| H | September 26-27, Santa Clara Convention Center | `-------o |
| H / Santa Clara, California | |
| H | | |
| H | Speakers, Exhibit and Flea Market | |
| H | | |
| H | O http://www.siconic.com/vcf | |
| H |_____________________________________________________| ____o |
| H | | | | | | | | | | / |
| H | | | | | | | | | |______/ |
| H============' | | | | | | | |_________________ |
| H / | | \ \ \ |_____________________ | |
| H / / | `-o \ \ || |
| H o___________/ / \______ \ \ || |
| H o \_____|____|___________________ || |
| H ____________________________ | | || |
| H | | | The S P E A K E R S | || |
| `=| Why would YOU come to the | __| |___|| |
| _| Vintage Computer Festival? | | | | |
| | |____________________________| | KEYNOTE SPEAKER | | |
| |__________________________________| | | |
| ________________________ ___|-Gordon Bell |__ | |
| | || || || | / | | | |
| .-| To Learn the History |--' | Father of the Mini-computer! | | |
| | |__||_||_||______________| | Mr. Bell will speak about | | |
| o ________________________ ___| his pioneering work on the |____| |
| | || || || | / | DEC PDP-1, PDP-8 and PDP-11 | |
| o-| For the Nostalgia |--' | | |
| |__||_||_||______________| | FEATURED SPEAKER | |
| o ________________________ \______| |___o |
| | | || || || | |-Ray Holt | |
| `-| To Hear the Speakers |-._____| | o |
| |__||_||_||______________| | Who really invented the | / |
| ________________________ ____| first microprocessor? Guess |___/ |
| | || || || |__/ | again. This designer of the | |
| .-|To Buy Vintage Computers|-------| JOLT and Synertek SYM-1 sin- |-----o |
| | |__||_||_||______________| | gle-board computers will re- | |
| o ________________________ ______| veal why computer history |_____ |
| | || || || |/ | may need to be re-written. | | |
| o-|For the Games & Contests|--. | | | |
| |__||_||_||______________| \___|-David Rutland | | |
| ________________________ __| |_____| |
| | || || || | | On the National Bureau of | | |
| o-|To Meet Other Collectors|-o | Standards Western Automatic | | |
| |__||_||_||______________|___ | Computer (SWAC). Mr. Rutland | | |
| ________________________ \___| worked under Harry Huskey to |__o | |
| | || || || | | help build this first com- | | |
| o-| To Meet the Pioneers |---. | puter west of the rockies. | | |
| |__||_||_||______________| \ | ____ O | | |
| ________________________ \ |____________/ \____________| | |
| | || || || | \ | |
| .-| For the Prizes! |----. \________________________________o | |
| | |__||_||_||______________| \ | |
| | \__________________________________ | |
| o o________ \ | |
| ,=============o \ ______________________________ | | |
| // | o__ \ | | | | |
| H ___________|________ \ \ |-Tom Geller | | | |
| H | | \ \__| |___| | |
| H \ Philosophy of the / \ | Whether you're into game | | |
| H | Vintage Computer |___ \ | consoles, handheld devices, | | |
| H | Festival... | \ \ | arcade machines or personal | | |
| H / \ \ \__| computers, there's a Mac- |_____| |
| H | The main mission | \ | based emulator for you. | |
| H | of the Vintage | \ | | |
| H | Computer Festival | \ |-Jim Willing | |
| H | is to promote the | \__| |____o |
| H | preservation of | | Jim will demonstrate ways in | |
| H | "obsolete" compu- |___ | which you can put computers, | |
| H | ters by allowing | \ | new and old, back to work in | |
| H | attendees to ex- | \_____| the classroom. Also, how to |___ |
| H | perience the tech- | | care for your old computers. | \ |
| H | nologies, people | | | \ |
| H | and stories that | |-Bruce Faust | | |
| H | embody the remark- | ______| |__o | |
| H | able tale of the | / | Bruce will tell you every- | | |
| H | computer revolu- | o' | thing you want to know about | | |
| H | tion. | | the Toshiba T1100, the first | o | |
| H |____________________| ___| "laptop" computer. |__/ | |
| H | / | | | |
| H o o______/ |-Manny Lemas | | |
| H _________________________ | | o | |
| H o__| VCF2 S P O N S O R S |___| Manny will discuss his work |__/ | |
| H | www.haggle.com | | in the early days of the | | |
| H____| Dr. Dobb's Journal | | microcomputer revolution, | | |
| H |_________________________| | including publication of the | | |
| H __| first microcomputer journal |_____| |
| H / | and his involvement with the | | | // |
| H ________ ________ / | Synertek SYM-1. | | |
| H |o \__/ | / | | | |
| H_____| |_/ __|-Philip Belben |___o | |
| H | Test your computer | o' | | | |
| H | history knowledge! | | Philip will be presenting a | o |
| H __| |__o | workshop on the pre-history | |
| H | Nerd Trivia | __| of the graphics workstation. |_____ |
| H | Challenge | o | | ____ O | H |
| H o___| |_/ | |__________/ \______________| H |
| H | Only at VCF 2.0! | / H |
| H | | / H |
| H _| - Also - |__/ ___________________o H |
| H / | | / H |
| H o' | A screening of | / __ ___ __________________ H |
| H __| vintage computer |____/ | |__| | | H |
| H / | sales and training | | |Someone lucky will|==-----H |
| H | | films from the | | | go home with an | H |
| H | __| 50s, 60s and 70s |__ | _ | | H |
| H | | by San Francisco | /| (_) | IMSAI 8080 |==--o H |
| H | | stock footage | / | | | H |
| H | o_| film archive |____/ | | See the VCF web | H |
| H o | Oddball Film+Video | | __ | site for details |==--o H |
| H |____________________| |__| |___|__________________| H |
| H H |
| \\ // |
| `=====================================================================' |
| |
| V2.0 rev 2 http://www.siconic.com/vcf (C) SICONIC 1998 |
|___________________________________________________________________________|
Sam Alternate e-mail: dastar(a)verio.com
-------------------------------------------------------------------------------
September 26 & 27...Vintage Computer Festival 2.0!
See http://www.siconic.com/vcf for details
[Last web page update: 07/26/98]
Hi everyone. Just to let you know, I'm not dead. (Boos, hissing,
please.) Anyway, I found a MS Softcard for an A2. Serial# (if it
matters) 2-189 18227. Full docs, all disks, packaging, etc. Now, for
someone who has 2 or more: What's a good garage-sale-old-used-hardware
price???? (It's a frends, but I want to pay hm to remove the guilt.)
Pleae reply to worldsfate(a)geocities.com (Yes, that's not this addresss,
but I can't get my HPC to send from it.)
Thanks for any info.
Tim D. Hotze
______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com
On Aug 4, 0:25, Tony Duell wrote:
> Am I the younger generation? (I date from about the time of the PDP12). I
> certainly know what a cork borer is - I've used them on many occasions.
> What on earth do people use now to fit glass tubing into corks?
They don't use corks -- they use pre-bored rubber bungs. However, the
easiest and safest way to put a thermometer into a bung is to insert a
borer first, slide the thermometer down the borer, and remove the borer
leaving the thermometer in place. One of the first things I was taught on
the lab techs course years ago (the second thing was how to deal with a kid
who has a thermometer impaled in the hand).
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
On Aug 3, 19:45, Tony Duell wrote:
> Subject: Re: Oh heck it booted
> > > Hmmm.. I have a small lathe (IMHO _all_ computer preservationists
need
> > > one, like you need a 'scope, logic analyser, soldering iron, etc,
right
> > > ;-)). But rubber is not the easiest material to turn to size - my
guess
> > > is you need to take a very light cut...
> >
> > With a very sharp cutting tool!
>
> That always helps :-). I would also grind a shallower angle on the
> top/front edge, to reduce the tendency for it to dig it. A tool that digs
> in to the rubber would pull it away from the spindle, and cause it to end
> up undersize (and rough!).
Actually, you want exactly the opposite if you're cutting it -- a very
acute angle, so the rubber is sliced thinly with minimal effort. You want
to slice it rather in the manner you would do wood turning with a turning
chisel.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
< No, I was thinking about differences in ground potential between the
< two buildings, static electricity, lightning strikes, that sort of
< thing. All the canonical reasons why you wouldn't want to pull
< Ethernet coax through that conduit.
Use thick eithernet wire as its coax and uses ground and everything uses
an isolated interface to it. AUI is imune to ground loops and can be
burried.
The other approach is RS422/485 type interconnect as it is differntial.
Myself I'd sink several peices of weather proof coax and build on that
using AUI (thick eithenet).
If you have a choice go underground as air trips invice lightining.
Allison
On Aug 3, 9:11, Allison J Parent wrote:
> Subject: Re: Oh heck it booted
>
> < > ;-)). But rubber is not the easiest material to turn to size - my
gues
> < > is you need to take a very light cut...
> <
> < With a very sharp cutting tool!
>
> You don't cut it you grind it! If done on a lathe you turn the rubber
> part and run a high speed grinder against it. It's insures it will be
> concentric and gives a smooth surface.
In the workshops I've seen where it's handled, it's usually done with a
very sharp tool with a very acute cutting angle (I've seen razor blades
mounted in a holder for this) and lubricated with glycerine.
For some jobs, I've seen a tubular cutter (rather like a cork borer)
mounted in the tailstock and pressed into the workpiece, similarly
lubricated with glycerine.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
William Donzelli <william(a)ans.net> wrote:
> I am not sure why classic networking stuff tends to be shunned like a
> rabid dog. Stuff from the 1970s is quite rare, but 1980s era stuff (CSUs,
> switches, etc.) tends to be around, and now quite available, now that T1s
> are becoming turtle highways.
Some thoughts:
With many of these devices, it takes (at least) two to tango, and of
course you never find both together. (What is the sound of one statmux
clapping?)
Synchronous modems often didn't just carry the data from one end to
the other, they also provided clock signals to the DTEs. Many DTEs
expect to see those clock signals and won't originate them, so getting
two nearby ones to talk over direct cabling can be an interesting
proposition.
Some of us probably worked with this stuff back in the days when it
was new (1983-1989 in my case). "Fun" is not the adjective that comes
to my mind.
> How about running a T1 line between the
> house and garage? With appropriate routing, its performance can be quite
> suprising.
Can you do this over dry copper, for short runs?
If so, would you want to? You mentioned in another post that you'd
have to run conduit for FDDI, and that makes me think there might be
some open space between hither and yon. Sure, you could run copper,
but wouldn't electrical potential differences be a problem?
I know that we used to have a fiber run under the parking lot at the
office, and Ethernet-fiber bridge things at the ends (two buildings
w/parking lot between).
> Does anyone on this list have any classic networking stuff beyond
> ethernet/token thing cards?
Not a lot, and mostly not by intent. Recently I got an HP9000/220U
with some extra boxes that I believe are a CSU and some flavor of mux.
No, it's not at all clear to me why they were piled together into one
lot; the 9000 didn't have the right sorts of I/O for this.
-Frank McConnell
Thanks to everyone that was helping solve our PDP-11 boot problems but
it seems that part of the problem was the fact that the backplane was
giving out (it actually went up in smoke on friday night while we were
playing with it, as did the front panel to my IMSAI, what a night that
was).
So again, thanks...
Tony Dellett
PS: If anyone in the Massachusetts/New Hampshire area has a spare RX01
that they wouldn't mind parting with, we have alot of Q-Bus cards that
need a backplane :)
Tony
< Hmmm. Well, I wonder about this. I know such services exist in the US
< well, but they still at least have battery on the line. I would wonder
< what good a dry point-to-point connection through the telco would be ove
< several miles, where the resistance in that length of wire would absorb
< whatever voltage you put on it.
The service exists, I used to use it 25 years ago for remote base stations
(radio service). It was called a dry copper pair and went point to point
with NOTHING else. It had to be that way as you would put audio on it and
DC on it to either key the transmitter or disable to tone squelch. the
average circuit resistance ws about 1kohm/mile. So the remote end didn't
sense voltage but instead sensed current (~8-9ma) and polarity to do
switching. Audio was put on the pair the normal way (differential via
transformer).
Allison
>> Okay, I've now given up hope that those old modems will ever be
>> at all useful or interesting to me. So they're up for grabs,
>> for the cost of postage.
just a thought, but were these modems ever designed to connect to a
public network? I've got a couple of old BT modems that seem to be
designed to only work on a private, internal network (at least that's
what the manuals imply), so maybe line voltages are different or
whatever...
cheers
Jules
I'm forwarding this message from another classic computer list I'm
on.... I figured you folks may be able to help him out a little
more. Please reply to him personally at his e-mail address given at
the far bottom....
Thanks,
CORD
--
I finally took a good look at that new PDP-11/23 I purchased some time
ago. It seems to have some normal looking DEC cards in it (LSI-11/2,
others). It does, however, have an interesting looking card set from
Associated Computer Consultants, called "MDMA" (as far as I can tell). It
appears to be from the mid-1980s. One card contains some sort of engine,
with ROMs and (4) 2901s. The other card contains a bunch of glue and
interface stuff, and has a connection to a big round military type
connector (the modern versions of the Cannon connector) on the back panel
of the chassis marked "IMP".
Being that this computer came from a certain spooky branch of the
U.S., that "IMP" looks awfully suspicious. Could this little DEC box have
been slated for the ARPAnet, but came just a little too late?
All I have is the processor - no drives or OS, so I can not tell much if I
power it up.
William Donzelli
william(a)ans.net
< I'm surprised by this. I'd thought about ways of linking any number
< of old PCs at up to 2000 foot distances, and thought about recreating a
2000ft is within the capability of RS422 at data rates that are in the
megabit range. There are other simple solutions like RS423 at low data
rates. The DEC mill used to have many central systems that often were
remote from the users by as many as 6 floors vertically and several
hundred feet horizontally. (Royalt was ML11/M1 and our group was
ML3-6/A1) we still ran 4800 or 9600 serial over the 500+ feet of wire
of the standard dual twisted pairs of phone co wire.
The biggest problem was the possibility of ground loops. With care
that's can be avoided though RS422 (balanced differential) can deal with
that as can RS485.
Allison
I have 2 of these XT bus boards, plus a PC-68K MMIO daughterboard.
They are copyright 1985/1986 by N.J. Costanzo & TLM Systems, Inc.
1-meg on-board, smartwatch, no cpu or roms
Can anyone provide additional information re:
original use, availability of roms, system software?
Any information appreciated.
Jim
< > You don't cut it you grind it! If done on a lathe you turn the rubbe
< > part and run a high speed grinder against it. It's insures it will b
< > concentric and gives a smooth surface.
<
< In the workshops I've seen where it's handled, it's usually done with a
< very sharp tool with a very acute cutting angle (I've seen razor blades
< mounted in a holder for this) and lubricated with glycerine.
You can if you have the right tools. Grinding is easier for most to do.
I make TU58 drive wheels using thickwall rubber tube or tygon and mount
the assembled result on an old tu58 motor and "grind" on a bench grinder.
I get a good round smooth surface, minimal setup. The hub used is the
one with the tire turned to goo, with the goo removed.
< For some jobs, I've seen a tubular cutter (rather like a cork borer)
< mounted in the tailstock and pressed into the workpiece, similarly
< lubricated with glycerine.
For general shapes its ok, the deformation affects accuracy. We used
that to get the general shape (tubes or plugs) and then mounted them
and did final grind. It was what the chief engineer wanted.
Generally the size of the drive roller is allowed considerable latitude
but roundness is desirable.
Allison
