Thanks Allison. As the VDM-1 is built-in I obviously can't pull it but
will check for a bad trace etc.
Marty
______________________________ Reply Separator
_________________________________
Subject: Re: Helios II disk drive - Sol-20
Author: classiccmp(a)u.washington.edu at internet
Date: 3/4/98 9:53 AM
<
< I've got the Sol-20 up where I can see the monitor prompt '>' but
< there is garbage on the screen which I have yet been able to get rid
< of and attempts to load off a cpm diskette (that came with this
< package) have failed thus far.
Before you mess with CPM and disks get the SOL running! The screen of
garbage is either a broken VDM-1 (video card) or the CPU is out to lunch
do to a memory problem or other system fault.
Pull the disk controller out and get to the minimum system and trouble
shoot from there.
Also the Native os for the northstar controller is NS*dos not cp/m it
is possible that the version of cpm can be configured for the NS*
controller but not the terminal IO used in the SOL so it would boot
and do nothing.
FYI: the most commonly replaced part is the CPU as it's is always
socketed. The least often failed part is the CPU!
If I were nearby I'd offer to help.
Allison
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From: allisonp(a)world.std.com (Allison J Parent)
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
Subject: Re: Helios II disk drive - Sol-20
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Could I get a copy of the tape or a transcription?
Marty Mintzell
______________________________ Reply Separator
_________________________________
Subject: Re: Processor Technology Sol-20
Author: classiccmp(a)u.washington.edu at internet
Date: 3/3/98 9:51 PM
At 18:31 3/3/98 -0800, Marvin wrote:
>Sam still has the audio masters for the original Vintage Computer Fair where
>Lee Felsenstein and (drawing a blank), the former president of Processor
>Technology
Bob Marsh.
>I don't recall the date they went out of
>business (1981???)
May 14, 1979.
__________________________________________
Kip Crosby engine(a)chac.org
http://www.chac.org/index.html
Computer History Association of California
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From: Kip Crosby <engine(a)chac.org>
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
Subject: Re: Processor Technology Sol-20
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Does anyone in Orange County, California want a Victor 9000?
Sam Alternate e-mail: dastar(a)siconic.com
-------------------------------------------------------------------------------
Computer Historian, Programmer, Musician, Philosopher, Athlete, Writer, Jackass
Coming Soon...Vintage Computer Festival 2.0
See http://www.siconic.com/vcf for details!
Is a TI-8x or 92 a calculator or computer? I mean, a TI-92 uses a
68000 processor, has some 128k ram, and a full (if not full-sized)
keyboard. A friend of mine is making a multitasking shell for it.
>
>At 23:10 3/3/98 GMT, you wrote:
>>(now someone's going to turn round and tell us that the pointy-haired
>>bosses in hp hack on their hp48s during meetings, and wear their hair
>>that way because they don't know where to find a decent hairdresser.
>
>Pointy-haired bosses do NOT carry HP48's. They carry TI Math Explorers
>that they pinch off the carpet of their eighth-grader's bedroom, and
don't
>know how to use. The Math Explorer was sitting forlorn on the kid's
carpet
>because the kid saved up, bought a second-hand TI-85, and is sitting in
the
>backyard smoking a joint and hacking ZSHELL on the TI.
>
>__________________________________________
>Kip Crosby engine(a)chac.org
> http://www.chac.org/index.html
>Computer History Association of California
>
>
>
______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com
It arrived 10 minutes ago.
I'm so excited, I just put up a quick web page so you can all see it.
Its obviously not an IMSAI...? So... anyone know anything about it.
Comments appreciated (even "I want it!!")
Cheers
A
Datanumerics DL8A web page...
http://www.comcen.com.au/~adavie/weird/datanumerics.html
Does anybody know what the production numbers were for the Processor
Technology Sol-20? Also, does anybody know when PT went out of
business? Was it due to the Persci drives in the Helios II as I've
been told? A co-worker of mine said the Persci drive heads were
actuated by a voice coil and while they had an extremely fast access
time (for the day) they were unrelible. I'd appreciate any
information.
Thanks-
Marty Mintzell
<I could see a use for that... By making a NanoPC (?) small enough, I cou
<a console for my uVAX 2000 that I could tape (or something?) to the top o
<machine - Then I'd truly have a portable VAX!
<Maybe if I do go make creative use of batteries... Ehehe... VAX LUGGABL
<(That'd be fun for the trips to Indy! They could be driving away, and I
<hack VAX in the backseat..)
<-------
Seems the hard way to go. Try this.
Remove the RD5x and replace with two 3.5" mfm drives. Install one scsi
drive (for more space). remove power supply replace with one that
provides +12/-12/+5 from a 12vdc source. Use a laptop for terminal.
An alternate to replacing the power supply is use 12vdc to 120ac(240w)
power converter.
An alternate replacement for the PC (somewhat retro too) is to find one of
the various terminal boards sold in the early to mid 80s, add a keyboard
and a 12v monitor, tada a terminal. Most of those boards were
small (5x9" or smaller).
If your are running an OS that can use the vs2k console... use lk201 and
a small monochrome monitor that can hack the scan rates.
most of the 3100 series is in the same power needs class and could easily
be put on the road as well.
Also the qbus vaxen could be hacked for mobile use (there was a version of
the ba213/4 box that used DC power!).
Vax on the roll. Your would not be the first, the YACHT America
(Americas cup racing) back around 88 or so had a vax on board!
Allison
Now, it's not working again. Sorry, this discussion seems to be pretty one-sided. ;-)
Sorry,
Tim D. Hotze
-----Original Message-----
From: Hotze <photze(a)batelco.com.bh>
To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu>
Date: Wednesday, March 04, 1998 5:09 PM
Subject: Re: List not working?
Ok, so the list is working. Sorry.... and remember, we're trained proffesionals. Don't try this at M$.
-----Original Message-----
From: Hotze <photze(a)batelco.com.bh>
To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu>
Date: Wednesday, March 04, 1998 4:57 PM
Subject: List not working?
Hi. I recieve posts from ClassicCmp, but when I try to send it, I get a "mailbag full" error...
Thanks,
Tim D. Hotze
(Please contact me at photze(a)batelco.com.bh if you have more info)
Ok, so the list is working. Sorry.... and remember, we're trained proffesionals. Don't try this at M$.
-----Original Message-----
From: Hotze <photze(a)batelco.com.bh>
To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu>
Date: Wednesday, March 04, 1998 4:57 PM
Subject: List not working?
Hi. I recieve posts from ClassicCmp, but when I try to send it, I get a "mailbag full" error...
Thanks,
Tim D. Hotze
(Please contact me at photze(a)batelco.com.bh if you have more info)
>Nice but what would CP/M (rememberthis is 8080/z80) do with 500mb? The
>whole of multimple archives fits on a single CDrom! CP/M systems did not
>suffer code bloat so smaller devices tend t fill very slowly. Something
>under 100mb is more resonable for my project.
Don't ask me!!! I didn't know waht CP/M was until a week ago. Funny story.
I've looked all over the Internet for stuff on my II+, but found II, IIc,
IIe, etc. stuff instead. Then, I look at my school library, and I find a
84/85 edition of a kind of "computer encyclopedia", and a book called "Apple
II User's Guide", which only covers the ][ and the ][+.
>????? What are they and approximate cost.
For the 80 MB version, it's soupossed to cost around $80. Be warned, these
are 1" chips that are soupossed to contain Windows 95/98 on them (with room
for expansion, etc.) It's like a hard disk on a chip. I've only heard
about them. The advantage is relatively low cost, but definately lower
power consumption and less space. I'm trying to build a machine myself.
Right now, I'm into hardware, software'll come later. I'm thinking an ELKS
machine, or such. Where the heck can I get hardware that isn't aimed for
10,000 units? Like 1 or 2? Using IDE, probably a 386/486 chip, and I'd
need graphics, etc. Can someone please help me?
Thanks,
Tim D. Hotze
