On Tue, 5 Nov 2024, Liam Proven via cctalk wrote:
This is interesting. I had no recollection at all of Elephant branded
media, and I wondered if it might have been a US-only thing... so I
Googled them, and as soon as I saw the detailed full-colour logo, I
immediately remembered.
There is some de
On Mon, 4 Nov 2024, Bill Gunshannon via cctalk wrote:
I used Elephant. Still have piles of them and they are all still
readable (and probably writable but I don't want to lose the data
they hold.)
SOME batches of Elephant were quite good.
The biggest laugh I ever had was when we complained a
Non-descript 5.25 DS/DD (they don't format as 1.2M disk using a 1.2 5.25"
drive, so I'm pretty sure they are actual 360KB disks). That said, I
On Mon, 4 Nov 2024, osi.superboard via cctalk wrote:
from my experience, these "Non-descript" are often the cause for format
errors. Look for high q
haven't really fully confirmed if it's a 1.2M drive. TEAC FD-55GFR
142-U, because I haven't actually come across any 1.2M formatted media.
Teac FD-55GFR is a 1.2M drive that can also be used as a 720K 5.25" drive.
(FD-55G is 1.2M; FD-55F is 720K)
On Mon, 4 Nov 2024, Chuck Guzis via cctalk wr
On Sun, 3 Nov 2024, Steve Lewis via cctalk wrote:
Non-descript 5.25 DS/DD (they don't format as 1.2M disk using a 1.2 5.25"
drive, so I'm pretty sure they are actual 360KB disks). That said, I
haven't really fully confirmed if it's a 1.2M drive. TEAC FD-55GFR
142-U, because I haven't actuall
On Sun, 3 Nov 2024, Steve Lewis via cctalk wrote:
Non-descript 5.25 DS/DD (they don't format as 1.2M disk using a 1.2 5.25"
drive, so I'm pretty sure they are actual 360KB disks). That said, I
haven't really fully confirmed if it's a 1.2M drive. TEAC FD-55GFR
142-U, because I haven't actuall
The IBM monochrome monitor could be damaged by putting it into an
unsupported mode.
The idea of a command that would brick the system is popular.
It may be possible, but it's very difficult to track down the details from
FOAFs.
--
Grumpy Ol' Fred ci...@xenosoft.com
On Tue, 29 Oct 2024, Chuck Guzis via cctalk wrote:
The location of track 0 is radically different in the 96 tpi and 100 tpi
conventions--there's about a 6 track offset. 100 tpi drives were also
spec-ed as being 77 track (like their 8" relatives).
Are the tracks offset from one side of a disk t
360K drives (40 track) have tracks 48 tpi. (Early on, Shugart SA400, and
On Tue, 29 Oct 2024, Tony Duell via cctalk wrote:
For the pedants, the IBM 360K format is 80 track. 40 cylinders, each
of 2 tracks, one on each side of the disk.
point taken.
I should have said "Tracks per side"
There
2) motor speed is not as easy as increasing/decreasing voltage.
On a belt driven drive, you might be able to change pulleys. Althoug, I
think that a "50Hz" pulley on a "60Hz" drive might give you the change
from 300 RPM to 360RPM?, . . .
Some/many?/all? 8 inch drives use synchronous motors (8 inc
Converting drive:
SOME 96tpi drives had a jumper to make them always double step
SOME 2 speed drives had a jumper to force one speed.
SO, it couldbe jumpered into a 360K, other than the heads being too narrow
Track width
360K drives (40 track) have tracks 48 tpi. (Early on, Shugart SA400, and
Apple SA390, only used 35 of those tracks) That's about 1/2 mm from
center of one track to center of the next. The track itself is about
1/3 mm wide, leaving a little blank space between tracks.
80 track (b
On Mon, 28 Oct 2024, Fred Cisin via cctalk wrote:
Converting drive: (NOT PEACTICAL!)
1) Disk controllers intended for 360K generally run 250K bits per second
(125K for single density), and do NOT support the 300K bps and 500K bps
that are needed.
Weltec sold some drives with a VERY bizarre
I'll have to answer some other questions later, . . .
Diskettes:
For writing 10K/180K/320K/360K disks, use THOSE, never 1.2M dikettes!
"360K" diskettes are 300 Oersted; 1.2M are 600 Oersted.
The 1.2M/600-Oersted dikettes use a reduced write current (pin6? of the
interface)
Twiggy disks, and A
On Mon, 28 Oct 2024, Steve Lewis wrote:
That is because you are writing "320K" disk in a 1.2M drive.
double step is to get 40 tracks instead of 80
Makes sense, thanks. I wasn't 100% sure if this was a 1.2M drive or not.
How difficult is it to change a drive? And could it go the other way,
up
On Mon, 28 Oct 2024, Steve Lewis via cctalk wrote:
Thomas,
Those images for the SHARP PC-5000 boot disk of MS-DOS 2.00 have worked
splendidly (at least the .IMD files, DiskImage is all I tried). I did have
to change the IMD Settings to Sides Two, Double-step On, and the 250kps to
300kps. I do
Impressive claims were made about station wagon full of tapes hurtling
down the highway.
On Thu, 24 Oct 2024, Chuck Guzis via cctalk wrote:
I still have the Samsonite briefcase I used to transport 7-track tapes
as carry-on baggage. Jets even then, were much faster than station
wagons. 6 tapes
On Thu, 24 Oct 2024, Christian Liendo via cctalk wrote:
Actually I posted the ArsTechnica article in one of the New York Times
internal chat channels on Oct 16th, I was hoping someone would pick
this up. I did the same when Chuck Peddle died.
I work for the Times and there are a few people here
More than once it was "hand the tapes to someone meeting you at the gate
and catch the next return flight".
On Thu, 24 Oct 2024, Sellam Abraham via cctalk wrote:
How did you know you were handing it to the right guy and not a Russian spy?
He said, "Julius sent me", and had a piece of a Jell-
On Thu, 24 Oct 2024, Bill Gunshannon via cctalk wrote:
And yet, Minix ran on the 8088.
One system called "Minix", from Digital Systems House was based on AT&T
Unix code, but I haven't found out anything about it.
Much more popularly known as "Minix", was a Unix-like operating system
writte
On Thu, 24 Oct 2024, Chuck Guzis via cctalk wrote:
How about Tymshare/Tymnet/SBCetc.
Did Call Computer in Mountain View employ a file transfer protocol for
use by subscribers?
Impressive claims were made about station wagon full of tapes hurtling down the
highway.
dialog (1966), Compuserve (1069), The Source (1979, so a tie), and
Community Memory (1973, but not dialup), and probably a few lesser ones
preceded CBBS.
On Thu, 24 Oct 2024, Sellam Abraham via cctalk wrote:
Come on, Fred. You're old but you're not that old, and I don't think there
were comput
The author, presumably a heavy Reddit, TikTok and Facebook user, seemed to
have never heard about existence of computers before internet, nor about
On Thu, 24 Oct 2024, Joseph S. Barrera III wrote:
Y'all are ignoring CompuServe and that is hurting my feelings :-)
dialog (1966), Compuserve (10
On Thu, 24 Oct 2024, Doug Jackson via cctalk wrote:
Yes, UUCP was literally a thing, but UNIX was unobtanium in the early
computing eral - The world of the University Minicomputer.
It certainly wasn't even vaguely accessible by a hobbyist running a
Z80 or 6800 in the late 70's.
I vividly remem
On Wed, 23 Oct 2024, Mike Katz wrote:
I agree with you but phrased differently. XMODEM is ubiquitous but CBBS
created a
totally new way of sharing information and is the forerunner of everything from
CompuServe to the internet, instant messaging and even social media.
Most people reading an ob
ly died, what
accomplishments would you emphasize?
Sent from my iPhone
On Oct 23, 2024, at 14:10, Fred Cisin via cctalk wrote:
On Wed, 23 Oct 2024, Wayne S via cctalk wrote:
I have to respectfully disagree.
This is an obituary for a person who has died, which is not a complete history
of h
On Wed, 23 Oct 2024, Wayne S via cctalk wrote:
I have to respectfully disagree.
This is an obituary for a person who has died, which is not a complete history
of his life. The articles are rather lengthy, for an obituary in a major
newspaper where space is limited. I think the author did do som
On Wed, 23 Oct 2024, Robert Feldman via cctalk wrote:
Ward Christensen, Early Visionary of Social Media, Dies at 78
https://www.nytimes.com/2024/10/21/technology/ward-christensen-dead.html?unlocked_article_code=1.UU4.nswM.540OUXuySX84&smid=url-share
Thank you for sharing that.
The author, p
On Thu, 17 Oct 2024, Steve Lewis wrote:
I follow all that (on the DEBUG.COM notes) and appreciate the notes - that
will save some time, I look forward to trying a few things out tomorrow.
I forgot to do VER explicitly, but on boot up it is saying MS-DOS 2.00.
And just now, I recalled that on g
I don't know your level of familiarity with DEBUG, assembly, etc.
So, if you need more detail, then when I get a chance, I could write out
more detailed instructions
First step, is to confirm whether the DOS that is running is actually 2.00
If so, then we can work on making the DOS 2.11 FORM
MAKE SPARE COPIES OF FORMAT.COM, BEFORE YOU STEP ON IT!
On Thu, 17 Oct 2024, Steve Lewis via cctalk wrote:
Well, none of the bubble cartridges has a FORMAT.COM.There is MODE.COM,
CHKDSK.COM, EDLIN.COM, and then SYS.COM .
And trying to run FORMAT.COM from another DOS 3.30 on the PC-5000, it
actually does try to run, but then says "Incorrect DOS ve
When my mom died, at home , at age 99, the ambulance people said that
an autopsy has to be performed when someone dies at home. The police
also came and said the same thing.
When my mother-in-law passed, in the hospital, no autopsy needed to be
done.
I did not ask specifics in either case.
On Tu
Here is a little more information:
https://arstechnica.com/gadgets/2024/10/ward-christensen-bbs-inventor-and-architect-of-our-online-age-dies-at-age-78/
still no cause of death ("probably natural causes"), memorial services,
relatives/loved ones left behind, etc.
George Morrow said,
"I believe in standards. Everyone should have one."
About 45 years ago, he and Howard Fullmer tried to standardize the
S100 bus.
There seemed to have been as little written about Howard's death as the
void around Ward christensen's death.
On Tue, 15 Oct 2024, Sellam Abrah
On Tue, 15 Oct 2024, Paul Koning via cctalk wrote:
"The nice thing about standards is that there are so many to choose from" -
Andrew Tanenbaum.
George Morrow said,
"I believe in standards. Everyone should have one."
About 45 years ago, he and Howard Fullmer tried to standardize the
S100
On Mon, 14 Oct 2024, Mike Katz wrote:
Does anyone have any information about visitation or a wake or funeral?
I was unable to find any information using Google. Nothing about cause of
death, memorial services, etc.
If you find any information, please share.
On Mon, 14 Oct 2024, Ali via cctalk wrote:
(C-Modem, J-Modem, N-Modem... I was waiting for them to run out of
letters).
Speaking of alphabetic order, . . .
35 years ago, I was interviewed for a puff piece in the comdex daily "news".
Among other amateur stupid questions, I was asked "Do you wa
On Mon, 14 Oct 2024, Ali via cctalk wrote:
(C-Modem, J-Modem, N-Modem... I was waiting for them to run out of letters).
Washington, DC had a solution to that exact problem:
"Once the alphabet to Y is exhausted, the street names are double syllable
words from A to Y followed by triple syllable
an earlier
time, no pun intended, but they were pioneers who made technology work for
them.Happy computing. Murray 🙂
On Sun, Oct 13, 2024 at 9:05 PM Fred Cisin via cctalk
wrote:
1945 - 2024
Found dead 10/11/24 in a "wellness check".
Little or no other information yet.
Ward Chri
1945 - 2024
Found dead 10/11/24 in a "wellness check".
Little or no other information yet.
Ward Christensen created the first "BBS".
Then, when he needed to transfer files, he created XMODEM. The XMODEM
protocols became the de facto standard for transferring files.
Later, there was some compe
On Wed, 9 Oct 2024, Wayne S via cctalk wrote:
My pleasure. Be aware that not all floppy disks were written the same way.
Regardless of different filesystems, there were different flux encoding schemes
too.
MOST are FM, MFM, or GCR.
But not all.
f'rinstance, Amiga is MFM, but does not use WD/I
On 2024-10-09 2:30 p.m., Fred Cisin via cctalk wrote:
MSX is unknown in USA!
It was for Z80, and the disk format was MS-DOS
. . .
Generic PC clones got so cheap here that nobody would buy Z80 any more.
On Wed, 9 Oct 2024, ben via cctalk wrote:
I thought it was the cheap apple clones that
On Wed, 9 Oct 2024, Chuck Guzis via cctalk wrote:
Anent strange floppy formats--I recall there being one in the early 70s
that used a UART to encode an entire track (1 sector per track). I'm
not talking about using a USRT-but an honest-to-goodness 8-bit plus
parity start-stop, etc. device.
Was t
I used several which did. MGT G+DOS was my personal favourite. MSX-DOS
is CP/M-binary-compatible but uses MS-DOS FAT disks, with directories,
because the same chap wrote them both: Tim Paterson.
On Wed, 9 Oct 2024, ben via cctalk wrote:
That is new to me, but what cpu?
Where are the ADS for sai
On Wed, 9 Oct 2024, Chuck Guzis via cctalk wrote:
Floppy disk, wuzzat?
:)
Chuck
(still kicking, barely)
Keep kicking!
It's a round piece of magtape material that wasn't long enough to make
a tape.
Some people even claim that if they ever get the bugs out, it might even
replace punchcards!
I once had a brief discussion with Gary Kildall, in which I pleaded with
him to create a "secondary" standard for 5.25".
He replied, "THE CP/M standard is Single Sided Single Density."
He felt that people, disunirregardless of which hardware they were using
SHOULD be able to transfer back and fo
On Tue, 8 Oct 2024, roger arrick via cctalk wrote:
I figured he was mistaken, the old 'standard' is SSSD.
Well, that's the CP/M "standard".,
and, admittedly, on my first look at the message, I, too, did a double
take on "double density"
I once had a brief discussion with Gary Kildall, in wh
On Tue, 8 Oct 2024, roger arrick via cctalk wrote:
We need a lot more of this type of preservation.
I've been doing my part and built an imagedisk machine with an Adaptec 1522CF
controller which allows me to read single density.
I've started specializing in systems with 8" drives.
Imagedisk alon
On Thu, 3 Oct 2024, Jon Elson via cctalk wrote:
Yes, and in a pinch I have done that. What you want is to hack the format
program so you can write just ONE track. Bulk erase the floppy and then
format just one track. Put a scope on the analog read amp signal and see if
it looks good. Then,
On Thu, 3 Oct 2024, dwight via cctalk wrote:
A small laser interferomenter and a screw driver could be used, once one
determined the center of the track by magnetic material and a microscope. Some
what special equipment but not all that special, now days.
Years ago, I went to a Seagate building
Some of the old-timers might remember a guy who was on this list a long
time ago, who claimed that the "copy-protectin defeating" program that he
used could copy ANYTHING, even alignment disks!
On Wed, 2 Oct 2024, Glen Slick via cctalk wrote:
Thanks for the bad flashbacks from 14 years ago.
S
I assume it's not easy to copy alignment disks, but I guess I will
find out.
It's actually not possible to copy them. Not for any "copy protection"
reasons, but just the very nature of the analog signal laid down on the
disk. No "regular" disk drive can recreate the signal.
Chuck had actuall
Pin 4 is "Head Load"
Pin 6 can be either "Ready" or drive select 4
Pin 10 is drive select for first drive.
Pin 34 is "READY", or "Disk Changed", or fourth drive selrct (TRS80)
BUT, IBM PC puts a twist in the cable (pins 10 - 16?), and does selection
by the cable with all drives jumpered to b
The Sharp PC-5000 was definitely MS-DOS, not PC-DOS.
PC-DOS, however might work on it! or at least almost.
BUT, some of the supplied programs will be different.
For example, MODE.COM will be significantly different.
The PC-7000 was reasonably PC compatible.
The PC-5000 was VERY similar to the G
On Wed, 25 Sep 2024, Maciej W. Rozycki via cctalk wrote:
From the software's point of view the drives are the same (with different
limits of course), e.g. once I successfully formatted 3.5" HD medium for
80 tracks of 15 sectors double-sided and imaged a 1.2MB 5.25" disk onto it
for use with IIRC
On Tue, 24 Sep 2024, Steve Lewis via cctalk wrote:
But does anyone here in the States happen to have a stack of known-good
5.25 disks they don't want anymore?
Sorry, not right now
have a drive for an old system that currently uses bubble memory
cartridges to boot to PC-DOS 2.0, and so we'd l
On Wed, 18 Sep 2024, John via cctalk wrote:
Dunno, what does a box of Cracker Jack cost these days...?
I checked; Amazon has Cracker Jack THREE boxes for $4.53
That's sold by a third party, but fulfilled by Amazon.
I've been told that the current prizes are stickers to unlock games on
their
Electronics Goldmine has them for $19.95
https://theelectronicgoldmine.com/products/g28288
--
Grumpy Ol' Fred ci...@xenosoft.com
And perhaps craziest of all, $189k for a 360/91 console display. Just
the lights panel, nothing more.
Well, that might be all thatthe interior decorators wanted, for hanging on
the wall
On Fri, 13 Sep 2024, David C. Jenner wrote:
This was from the 360/91 at UCLA when I was there in the 1970s.
The closest that you can get is records of the serial number.
And statements of experts.
A signed statement by Abby Sciuto
On Fri, 13 Sep 2024, Bill Gunshannon via cctalk wrote:
I get a real laugh every time I see statements like this.
Back when I was still in the military (around 2005) I had
t
I wonder if anyone has done a study of high-profile auction sale prices vs
apples to apples contemporary sales prices (ebay, etc) of the same item.
Paul Allen's [item name] will always sell for more that Joe Schmo's [item
name]. Buyer can forever say this was Paul Allen's [item name]. The
provid
"bought by Christies" might mean that individual employees, or corporate, might offer a
paid "proxy bidding" service?
On Tue, 10 Sep 2024, Paul Koning via cctalk wrote:
The terms of sale indicate that Christie's employees are allowed to participate
for themselves and if so are identified as s
"bought by Christies" might mean that individual employees, or corporate,
might offer a paid "proxy bidding" service?
On Tue, 10 Sep 2024, Paul Koning wrote:
And perhaps craziest of all, $189k for a 360/91 console display. Just
the lights panel, nothing more.
Well, that might be all thatthe interior decorators wanted, for hanging on
the wall
On Tue, 10 Sep 2024, Paul Koning via cctalk wrote:
Wow, someone paid $56k for a MITS ALTAIR. And $945k for an Apple 1. Not to mention
$718k for an Enigma machine. A bunch of things went for way above the estimate, while
for others it's much closer. One wonders why; I suppose a possible expl
On Mon, 9 Sep 2024, Bill Degnan wrote:
IBM 1951-54 IIRC. I have a few early punch and reader docs. They span
from just after WWII and into the early 701, 704, 650 days
Thanks
I got into unit record stuff in the mid to late 1960s.
But, my interests were a little esoteric, and I never really le
On Mon, 9 Sep 2024, Bill Degnan via cctalk wrote:
There is a 47 tape to card punch
I don't think that I ever saw one of those.
Was it IBM?
When was it available?
--
Grumpy Ol' Fred ci...@xenosoft.com
The 447? stand-alone interpreter did reasonably high speed interpret/print
On Mon, 9 Sep 2024, Sellam Abraham via cctalk wrote:
Perhaps you mean the 557?
I do, indeed.
Thank you
That was a unit-record machine that I didn't use much.
For my father's work, I mostly did keypunch, verify, count
Another minor detail about column alignment:
There was a variant of the 029 punch (I don't remember the specific model)
that could interpret/print on already punched cards. It printed 80 column
aligned characters. With a drum card, it could be set to skip some and
only do the desired ones.
I forgot to mention that as soon as it had been scsnned, the document was
shredded.
Occasionally they screwed up and shredded documents before scanning.
--
Grumpy Ol' Fred ci...@xenosoft.com
cctalk is allowing attachments now? I was under the impression that these
were deliberately disallowed and filtered for bloat reduction or safeguard
against possible malware distribution?
I'd personally prefer no attachments on cctalk rather just post a link to
somewhere they can be retrieved fro
If you disagree, please turn your computers over to another list member,
put on a tin hat, and go somewhere else.
and, we come full circle back to the original question of how to turn your
computers over to another list member.
On Fri, 30 Aug 2024, Sellam Abraham via cctalk wrote:
You could'
We have our own non-theological religious wars, such as vi vs emacs.
On Thu, 29 Aug 2024, Sellam Abraham via cctalk wrote:
Apple II vs. IBM PC vs. Commodore 64 vs. Atari 800 vs Radio Shack TRS-80
vs...
DOSPLUS vs NEWDOS-80
Electric Pencil vs. Scripsit
Pre-CP/M Electric Pencil vs TRS80 releas
.
This is not intended to start a theological discussion in any way shape or
form. I was just mentioning that buying your salvation has been a part of
mankind for a long time.
On 8/29/2024 7:01 PM, Fred Cisin via cctalk wrote:
Hasn't he promised to give his money away...
Yes
He is a f
Hasn't he promised to give his money away...
Yes
He is a follower of Carnegie. Ruthlessly make an enormous amount of money, and then
"buy your way into heaven" by doing good deeds with a large part of the money.
Look at the Carnegie libraries.
On Thu, 29 Aug 2024, Paul Koning wrote:
In a
On Fri, 30 Aug 2024, Dave Wade G4UGM via cctalk wrote:
Hasn't he promised to give his money away...
Yes
He is a follower of Carnegie. Ruthlessly make an enormous amount of
money, and then "buy your way into heaven" by doing good deeds with a
large part of the money. Look at the Carnegie lib
Any ideas on how to become a billionaire?
For a few decades, we have been saying that
"We must do whatever it takes to make Bill Gates into a millionaire."
On Fri, 16 Aug 2024, Peter Corlett via cctalk wrote:
It's also worth noting that the PC memory space is very much *not* divided
into fixed 64KiB segments (and ISTR it was originally a 512/512 split).
Segment registers have 16-byte granularity and a segment can straddle a
64kiB boundary just fine.
On Thu, 15 Aug 2024, Mike Katz wrote:
I am amazed at how many fresh outs I have met who really can't program their
way out of a paper bag.
Advanced programming techniques don't help until they can actually
successfully think about the problem.
I had a guy working for me VERY briefly, with a
When I was teaching C, it was sometimes quite difficult to help students
who had firm assumptions about things that you can'r assume. Such as the
sequence of operations in the multiple iterations examples that we both
used. I tried desperately to get them to do extensive commnets, and use
typ
On 8/15/2024 6:45 PM, Fred Cisin via cctalk wrote:
It is not the hardware that is at fault.
If anybody else is to blame, it is the compiler.
On Thu, 15 Aug 2024, Paul Koning wrote:
More likely the language designers, assuming the compiler doesn't have a
standards violation in its code. I
On Thu, 15 Aug 2024, Mike Katz wrote:
C has specific specifications for what is promoted when and how. They are not
ambiguous just not known by many.
I worked for a C compiler company so I'm may be a bit more familiar with the
actual C specs and how the compiler works.
However, I totally agree w
It is not the hardware that is at fault.
If anybody else is to blame, it is the compiler.
On Thu, 15 Aug 2024, Paul Koning wrote:
More likely the language designers, assuming the compiler doesn't have a
standards violation in its code. In the case of C, the type promotion rules
that were jus
On Thu, 15 Aug 2024, Paul Koning via cctalk wrote:
I don't know about the VAX,but my gripe is the x86 and the 68000 don't
automaticaly promote smaller data types to larger ones. What little
programming I have done was in C never cared about that detail.
Now I can see way it is hard to generate go
Specifically, place names of California.
On Sat, 3 Aug 2024, Liam Proven via cctalk wrote:
Yes, that's what I remembered, but I wasn't sure. Never been there,
not remotely familiar with the geography.
TBH I thought El Cap was in Yosemite and Yosemite was in Wyoming, but
on Googling, I think I
Today was great!
Yes, they do sell tickets at the door.
but, . . .
They don't take CASH!
"Legal tender for all debts public or private", but they don't take it!
Lots of great exhibits
There was a substantial pile of Dell 5150 and 5160 laptops on the "FREE"
table. Dell 5150 is unrelated to
https://vcfed.org/events/vintage-computer-festival-west/
says:
"The full schedule of speakers and show attractions will be posted at a
later date.
"Special attractions:
** Details will be added as they are finalized. Please check back for
updates! **"
Q: Will a schedule of speakers be pos
On Mon, 29 Jul 2024, Rod Bartlett wrote:
I found Tim Peterson's old blog a while back which contained some interesting
tidbits about the history of DOS from the original author.
http://dosmandrivel.blogspot.com/
I did find one unimportant error,
He said that DOS 1.10 supported both double side
On Mon, 29 Jul 2024, Warner Losh wrote:
The DEC Rainbow had initially a 2.01 and later 2.05 version.
Yes, some OEM licensers made significant changes, particularly when
PC-DOS and "vanilla" MS-DOS didn't handle their disk formats.
And many companies started to use 3.5" drives or 80 track DD 5
Ironically, one of the colleges that I taught at was "Vista College". while
Windows Vista was still "in bloom", they went about changing the name of the
college to "Berkeley City College", in spite of my pleas to keep the name
"Vista" for a while longer, at least in parallel, to cash in on "Learn
On Mon, 29 Jul 2024, Rod Bartlett wrote:
I found Tim Peterson's old blog a while back which contained some interesting
tidbits about the history of DOS from the original author.
http://dosmandrivel.blogspot.com/
thank you,
that is a very useful reference, although it is only part of the
"elep
Did not show up on the list, so I am forwarding another copy;
sorry if there are duplicates
On Mon, 29 Jul 2024, Murray McCullough via cctalk wrote:
I had not realized that 43 yrs. ago Microsoft purchased 86-DOS for $50,000
US not Cdn. money. With this purchase the PC industry, IBM's version
the
, 30 Jul 2024, David Wise wrote:
I will never forget Windows ME. Bleargh!
Dave
I wrote PC BIOS code for Phoenix Technologies from 1996 to 2023, we had to
suffer through every Windows release as old stuff broke and had to be fixed.
From: Fred Cisin
Sent: Monday
On Mon, 29 Jul 2024, Murray McCullough via cctalk wrote:
I had not realized that 43 yrs. ago Microsoft purchased 86-DOS for $50,000
– US not Cdn. money. With this purchase the PC industry, IBM’s version
thereof, began. I remember using it to do amazing things, moreso than what
8-bit machines coul
On Sat, 27 Jul 2024, Murray McCullough via cctalk wrote:
I came across this today: “Electronics engineer builds 1986 Macintosh Plus
clone”. Is there some reason one would want to do this? Not sure what the
point is but it proves it can be done!
You could write a small section of your book on D
It is apparently an LSI/PDP-11/2 with Pick operating system
On Wed, 24 Jul 2024, Adrian Stoness via cctalk wrote:
what is this thing im up in lynn lake be down in wpg in a week witch is 2hr
drive from wpg
https://www.amazon.com/Pick-pocket-guide-library/dp/083063245X
On Wed, 24 Jul 2024, Fred Cisin via cctalk wrote:
On Wed, 24 Jul 2024, Liam Proven via cctalk wrote:
Would anyone like to rescue a vintage Pick minicomputer in Manitoba,
Canada?
https://discuss.systems/@ahelwer/112836345012817998
On Wed, 24 Jul 2024, Liam Proven via cctalk wrote:
Would anyone like to rescue a vintage Pick minicomputer in Manitoba, Canada?
https://discuss.systems/@ahelwer/112836345012817998
A wide ask here so please boost: my grandfather is trying to get rid of an
old business computer, and I was wonderin
Besides slide rules, etc.
If you have an analog computer consisting of a 5 gallon bucket, and a 3
gallon bucket, and plenty of water available,
What are the steps for a PROGRAM to get a result of 4 gallons of water in
the 5 gallon bucket?
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