Andrew Gammuto said:
>I never saw anybody use the cassette port for practical purposes. In fact, I
>never saw a cassette drive from IBM. Good trivia question. Has anybody >ever
>seen one? I do remember reading something years ago about hobbyists >using
>the cassette port for plugging in wierd hardware hacks.
I don't think IBM would have made cassette recorders.
IBM made a cassette adapter cable for the IBMPCjr, but I don't think
one was ever made for the PC.
Pero, Jason D. said:
>The orignals were lower density like 320k each at first but quickly
>gone after XT came out with standard 360k drive or two, or floppy and
>10mb HD.
It was DOS 2.0 that increased the formatted capacity from 320K to 360K.
---------------------------------------------
Fun Fact:
( system requirement chart for DOS from
the IBM Personal Computer Software Library
booklet,1985)
DOS version Computers
1.00 PC
1.10 PC
2.00 PC, XT
2.10 PC, XT, PCjr, Portable PC
3.00 PC, XT, PCjr, Portable PC, AT
3.10 PC, XT, PCjr, Portable PC, AT
Notes: DOS 3.00 does not support the 30MB IBM
Personal Computer AT. DOS 2.00 or higher is
required for fixed disk storage. DOS 3.10 or
higher is required for operation on the IBM
PC Network.
=========================================
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
=========================================
In a message dated 98-01-28 00:28:34 EST, you write:
<< And, this is NOT only compaq, IBM is bit guilty on few of their late
PS/1 486 with (soft power switch). Discovered Win95 would wedge in
strange manner unless we got the proper cd from IBM for specific
machines. Those machines were intended for LOW END users so they're
usually bit oddball.
>>
later model ps1 machines had rapid resume, which was basically a suspended
animation function essentially which i think bill gates wants to include in
some PC9x specification to known as instant on or something like that. win95
should still be able to to work with that function. I know the ibm machine i'm
using has the soft power switch and apm, and windont95 works fine with it.
david
Why not put in baking soda, as with a refrigerator? Just don't spill it...
> > Don't laugh. I'm getting complaints around here about one of my
computers
> > the SMS-1000 (PDP-11/73) smelling of mold and mildew,
Found an interesting (at least to me) luggable/portable at the local thrift
the other day. It's a Sharp PC-7100. Very compact and sharp (no pun)
design. About half the size and weight of an old Compaq, with a detatchable
keyboard, tiltable LCD screen, 5.25 floppy, 20 meg hard drive. It booted
fine from the hard drive (MSDOS 3.2).
I haven't taken the time to open it up and look inside, but I ran MSD from a
floppy, and it reported the computer to be a Sharp/ERSO, 8088 or 8086
processor, 704k RAM. When I browsed the ROM memory, the result was:
aVADEM-SHARP Personal Computer System Firmware Version 3.0B copyright 1985
Vadem Inc.
I did a cursory search on the net for more information but came up empty, so
if anyone can help with more info or docs for this one, I would appreciate
it. BTW, the screen has a blue/purple sort of tint to it. Kind of
attractive in a psychodelic sort of way ( oh please, no more drug-related
threads <g>).
Cliff Gregory
cgregory(a)lrbcg.com
I 've got a mint one. Reply privately.
manney(a)nwohio.com
> Does anyone have a luggable Commodore SX-64 for sale by chance? I am
_really_
> looking for one.
Yes. I have a 64-256K motherboard with cassette port, too.
manney
> Not quite. Only the 5-slot motherboards have the cassette connector. My
> IBM PC Technical reference gives a schematic for a 64K-256K system board
> with a cassette interface.
> BTW has anyone ever seen someone use the cassette port? I supported
> several hundred early PC user's and never even heard of anyone using the
> cassette port.
Nope. Except, of course, to plug in the keyboard by mistake.
A while ago, someone pointed out that IBM didn't even sell a cassette
player. You were supposed to go out to your local Radio Schlock...
At 05:26 PM 1/27/98 -0800, you wrote:
>Don't laugh. I'm getting complaints around here about one of my computers
>the SMS-1000 (PDP-11/73) smelling of mold and mildew, and have been asked
>to either remove it, or spray it down with Lysol. How safe is it to spray
>a computer down with Lysol? Obviously I'd not run it for a while if I do.
Well, I know it kills germs and bacteria, but I'm not sure about computer
virii.
(<RIMSHOT> Thank you! Ya'll have been a wonderful crowd! G'night everybody!)
Seriously, I don't see a problem, just try to keep it away from the boards,
let it dry thoroughly if you get alot of buildup, and you should be good to
go.
-John Higginbotham-
-limbo.netpath.net-
