If anyone has that driver could they send it to me, too? I have a Tandy
1000TL 286 XT w/768K RAM, and no way to access it. Maybe the driver will
work in it, too. Maybe it won't - but it's worth a shot :-)
--
-Jason
(roblwill(a)usaor.net)
ICQ#-1730318
----------
> From: Russ Blakeman <rhblake(a)bbtel.com>
> To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
> Subject: EMS/XMS memory driver needed
> Date: Sunday, August 09, 1998 9:21 PM
>
> Someone I know has just acquired a motherboard, XT type aftermarket,
> with 768k onboard ram. I'm fairly sure the system is going to need a
> special driver to access the memory over DOS's 640k. Anyone have such an
> animal and can attach it to email or know of a commercial program that
> will handle the job?
>
> --------------------------------------------------------------------
> Russ Blakeman
> RB Custom Services / Rt. 1 Box 62E / Harned, KY USA 40144
> Phone: (502) 756-1749 Data/Fax:(502) 756-6991
> Email: rhblake(a)bbtel.com or rhblake(a)bigfoot.com
> Website: http://members.tripod.com/~RHBLAKE/
> ICQ UIN #1714857
> AOL Instant Messenger "RHBLAKEMAN"
> * Parts/Service/Upgrades and more for MOST Computers*
> --------------------------------------------------------------------
>
>
Sam:
could you please tell me what isbn number and the publisher was on the
"Computer power for small business" book though I could try and track it
down in some used book syores around here.
thanx
Chris
At 10:25 AM 06/02/98 -0800, you wrote:
>
>I added another 37 volumes to my vintage computer library yesterday.
>
>By far the most valuable from a historical standpoint is the book
>_Computer Power for the Small Business_ from 1979. It is a buyer's guide
>for microcomputers of the mid- to late -0's era. Talk about a treasure.
>This book has pictures and decriptions of many computers I've never even
>heard of.
>
>It contains information on systems we know much of, such as the Atari's,
>Apple, PETs, Radio Shack, etc. But it also has blurbs on systems that
>I've not seen mentioned anywhere else (at least not in a way that is
>looking back on these systems with a historical perspective) like the RCA
>Cosmac VIP, the Sol-20, Exidy Sorcerer, Heathkit H-8 and H-11, Intecolor
>8031.
>
>The best part is the descriptions of systems I've never knew about before.
>Has anyone ever heard of an Outpost computer? Its a fully integrated
>package with keyboard, display and 5.25" drive, but its almost three feet
>wide, with the two 5.25" drive bays to the side of the display! How about
>the PeCos One from APF Electronics. I have a pong machine made by APF but
>who would've thought they once made computers? How about The Renaissance
>Machine (aka Compucolor II)? There's also mention of the Teal SHC-8000,
>which is sort of like a pet with display, keyboard and cassette player in
>one unit.
>
>It then has a listing with about 40 different system descriptions,
>including CPU, memory, external storage, input (ie. keyboard, lightpen),
>output (ie. display, printer) and basic cost. There's also the company
>address which is extremely valuable for research.
>
>Here's an interesting tidbit. Apparently Data General made a line of
>computers dubbed "The Digital Group". According to this entry in the
>table, they were systems based on the Z-80, 8080A, 9080A, 6800 and 6502
>processors; they had 2K of main memory; they used cassettes for storage.
>Can anyone verify this?
>
>I also got another similar book entitled _The Peter McWilliams Personal
>Computer Buying Guide_ circa 1985. I haven't had a chance to go through
>it in much detail but it is basically more nice descriptions of early- to
>mid-80's computers, again some of which I've never heard of. I'll do a
>review later.
>
>In my travels I also picked up a Victor 800 electric adding machine. I
>don't collect adding machines and only rare grab them for specific
>reasons. In this case, this is the same Victor as the Victor 9000
>computer. I knew right away because the 'o' in the "Victor" emblem was
>that striped-circle that is telling of a Victor product (plus it had a
>Scott's Valley, CA address on the back).
>
>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!
>
>
>
Just wanted to let everyone know that Caldera, which now
owns all Digital Research software, has made CP/M freely
available! I discovered this by accident when I went to
download OpenDOS.
Check it out at:
http://www.caldera.com/dos/html/legacyindex.html
They have a link to an unofficial CP/M page with tons of
other software.
--
--------------------------------------------------------------------
Russ Blakeman
RB Custom Services / Rt. 1 Box 62E / Harned, KY USA 40144
Phone: (502) 756-1749 / Data/Fax:(502) 756-6991
Email: rhblake(a)bbtel.com or rhblake(a)bigfoot.com
Website: http://members.tripod.com/~RHBLAKE/
* Parts/Service/Upgrades and more for MOST Computers*
--------------------------------------------------------------------
OK, This is mildly on topic. My monitor is an HP 1097C, making
it at least 10 years old. However, I am using it with a modern PC, so
that's where the 'on topic' issue gets a little iffy. I'm sure there
are plenty of people here who can answer this question. A pointer to
a FAQ would be most welcome.
These old monitors are Fixed frequency, unlike our modern
monitors which multisync. The 1097C supports only a 78.125 khz
Horizontal Scan Rate and a 72hz Vertical Refresh Rate. Now a couple
of years ago I foolishly bought one of those cards by Mirage
(www.mirage-mmc.com) which is supposed to be a 'fixed freq video
card'. Actually, it's an OEM Diamond card, basically an S3/968 video
processor with an IBM 52x RAMDAC - ala Diamond Stealth VRAM. The
fixed Freq hacks are basically a resistor (and a jumper selection) to
drive sync over green, and a homebrew PROM to skew the VESA
frequencies for several video and text modes.
It works, but Mirage hasn't been too helpful with getting a
variety of XFree86 modelines, even though they claim to support Linux
and XFree86. They give out _one_ modeline for 1280 x 1024, which they
swiped from the XFree86 distribution in 'Monitors.txt'. For Windows
and Dos, they give out a video driver which seems to work just fine.
It will even display 320x200 full screen (Quake works great in DOS!),
and boots to a functional 80x24 col text mode. How the hell do they
do this?
Here is how I'm calculating my video modes based in the
XFree86VideoModes HOWTO (found in every Redhat 5 distribution):
Dot Clock Per Second
Total Horizontal Pixels Per Line = --------------------------
Horizontal Scanning Rate
Since my refresh rate must be at 72hz to sync with the HP1097C:
Dot Clock
Refresh Rate = -------------------------------------------------
Horizontal Frame Length * Vertical Frame Length
So, it's really more constructive to think of this as how many
pixels _total_ do I need to display in order to get a 72 hz vertical
scan rate with any arbitrary dot clock? In this case I need
Dot Clock
Total Pixels Per Frame (HFLxVFL) = -------------
Refresh Rate
Since I know my Horizontal Pixels Per Line, I can use this to
determine the number of vertical lines which will support a 72 hz
refresh rate.... hmmm, this is where things get sticky. We'll start
with a DCL of 10Mhz...
10Mhz Dot Clock
128 Horizontal Pixels = -----------------------------
78125 hz Vertical Scan Rate
10 Mhz Dot Clock
138888 Total Pixels = ---------------------------
72 hz Refresh Rate
138888.88 Pixels
1085 Vertical Lines Per Frame = -----------------------
128 Horizontal Pixels
Sheesh! A (total) screen resolution of 128H x 1085V? What about
a 20 Mhz dot clock? Well, after graphing the results I quickly
observed this:
S |
T C |
o R R | 128H 256H 384H 512H 640H 1728H **
T E E | x x x x x x
A E S | 1085V 1085V 1085V 1085V 1085V 1085V
L N |
|
DCL ----+------+-------+-------+-------+------- [...] ----+-----
10 20 30 40 50 135
(** Perfect for a usful screen resolution of 1280x1024)
So, based on this, I cannot get small or talored screen
resolutions unless I am willing to accept wide borders and strange
resolutions. Yet my card works....It does _not_ display this
behavior... so I suspect my thinking is to blame. Will someone please
correct me?
Apologies if you consider this post off topic...
J. Maynard Gelinas
In a message dated 98-03-20 23:14:29 EST, you write:
<< The list is, more or less, on topic, and I've taken this oppertuinity to
ask
a question: My Apple ][ has a Language card called a "Pocket Rocket". Now,
what does this do? Does it let me write in such languages as Pascal, C, or,
on my ][+, Integer BASIC? Also, is RAM expansion avaible to increase RAM to
128K (As I've heard that it could go to...)
Thanks, >>
pocket rocket is applied engineering's equivalent to apple's language card.
it's very small, and doesnt require a cable to the motherboard like earlier
models did.
david
I would like hear from anyone that has done any archiving of their
classic computer documents and manuals.
I'm currently using a UMAX 300P that claims a maximum 24 bit color
resolution of 300x600 dpi. I'm scanning into Photoshop4 and saving
in JPEG format. I'm trying to save as much information as I can, so
pages that have any color besides black and white, I'm scanning
at 299 (that's the max for color) dpi in RGB and and everything else in
299 dpi grayscale. I'm averaging, for 8.5 x 11 pages, about 5.3 Mb
for color and 2.1 Mb for grayscale. Just last weekend I burned
my first CD of docs consisting of 26 color pages and 170 B/W
pages for a total of 454 Mb.( I didn't fill the CD bcause I was anxious
to try printing the files at work.)
I printed two of the highest detailed B/W pages (schematics) today
at 400 dpi. The results were disappointing. All of the fine details were
lost. I assume I need to use a higher resolution for printing. I also have
quite a bit of background clutter on the printed page. I'm having no
problems seeing the smallest details when I magnify the pages in
Photoshop.
=========================================
Doug Coward dcoward(a)pressstart.com
Senior Software Engineer
Press Start Inc.
Sunnyvale,CA
Curator
Museum of Personal Computing Machinery
http://www.best.com/~dcoward/museum
=========================================
At 11:03 PM 3/30/98 -0800, you wrote:
>I'm currently using a UMAX 300P that claims a maximum 24 bit color
>resolution of 300x600 dpi. I'm scanning into Photoshop4 and saving
I have the same scanner.
>in JPEG format. I'm trying to save as much information as I can, so
>pages that have any color besides black and white, I'm scanning
>at 299 (that's the max for color) dpi in RGB and and everything else in
>299 dpi grayscale. I'm averaging, for 8.5 x 11 pages, about 5.3 Mb
Actually, 300 is the max without interpolation. Stuff that's truly B&W
should be scanned in B&W mode. The problem is that grayscale picks up
variations in print strength, smudges, etc. B&W says "This dot is more
than x dark, it's black. This dot is less than x dark, it's white."
>for color and 2.1 Mb for grayscale. Just last weekend I burned
B&W will also save disk space.
> I printed two of the highest detailed B/W pages (schematics) today
>at 400 dpi. The results were disappointing. All of the fine details were
The details will get smudged if you scan in grayscale. Also, print at the
same dpi as you scanned; printing at a higher dpi won't do you any good,
and your document will print 1/3 smaller.
>lost. I assume I need to use a higher resolution for printing. I also have
same as scanned.
--------------------------------------------------------------------- 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/
Hi All:
I have acquired 4 RL02 packs with the VMS 5.2 distribution on them. The
first one boots into standalone backup (>>> B DLA0) but I need to know how
to start the installation procedure.
I have some very basic docs on standalone backup, but a simple
BACKUP DLA0: DUA0:
fails with a couple of "device not mounted" errors. There's apparently a
save set called VMS052.B on the first drive this filename is reported in
the two "device not mounted" errors. BACKUP DLA0:VMS052.B DUA0:
also fails as the /IMAGE qualifier is being assumed by the standalone
backup utility, and of course /IMAGE requires only a device name.
Any help appreciated!
Kevin
--
Kevin McQuiggin VE7ZD
mcquiggi(a)sfu.ca
Picked up the following Manuals:
(2) User's Manual for Level 1 -- TRS-80 Micro Computer System
Line Printer VIII
Level II Basic Reference Manual
They're available if anyone is interested. ($1 apiece, plus shipping.)
--------------------------------------------------------------------- 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/
