On May 22, 19:52, Russ/Alice Blakeman wrote:
> My understanding of Commode-Ore is that there is a chip within the
cassette
> interface that allows the pooter to talk to the cassette drive.
Not quite; the C2N decks have TTL-level in/out and a motor control line,
all on a funny connector. The other three connections are +5V, ground, and
"switch", which is a contact that senses when the PLAY key is pressed.
They're controlled (at least in a PET) by part of a standard 6520 PIA
(Commodore's copy of a 6820).
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
I have one of the older Mac Monitors, the AppleColor High Resolution,
model MO401. It came out around the time the Mac II did (ca. 1987?) and
uses a monitor cable with a 15-pin plug.
Can this monitor be adapted for use with
a. Apple II
b. IBM PC's or clones
c. Amiga 1000
d. C-64?
Thanks!
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Charles P. Hobbs __ __ ____ ___ ___ ____
transit(a)primenet.com /__)/__) / / / / /_ /\ / /_ /
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Sam Ismail <dastar(a)wco.com> writes:
> The problem is you're comparing an OS that will forever remain trapped in
> the academic realm to an operating system that is transitioning over into
> the commercial market. You've got companies making commercial use of
> Linux and selling it to mainstream customers. This trend will continue to
> grow.
*chuckle* Sam's been reading the propaganda again....
You've got companies making commercial use of FreeBSD and selling it
to mainstream customers too. And you know what? They aren't bound by
the GNU Public License to release (in some cases significantly
modified) source to anyone under any conditions if they don't want to.
Well, except for those parts of the typical stock FreeBSD system that
are encumbered by the GPL. You might note that the FreeBSD folks have
been careful to keep those separate in their source tree, and that it's
possible to have a running OS without those parts: it's not much of a
desktop user or development system but it'll get your packets where
they need to go.
Now that's something you can do with FreeBSD that you can't do with
Linux -- derive your own work without having to make the source
accessible outside your organization. Believe it or not, some
commmercial concerns think that this will better protect their
intellectual property, and in spite of what Stallman and some other
folks might like you to believe that is sometimes the right way to go
about it.
ObClassic: this model's been around a while, it's how a significant
portion of Wollongong's networking products worked. Though in those
days you needed a Unix source license from Western Electric so you
could get your hands on the BSD 4.[23] sources from which you could
derive your own work, which in Wollongong's case was porting to
other Unixes (and sometimes non-Unix OSs, like MPE).
-Frank McConnell
Hello, all:
Does anyone have copies of Windows 286 and/or Windows 386 that I could
get?? Just fleshing-out my MS operating systems collection.
Rich Cini/WUGNET
<nospam_rcini(a)msn.com> (remove nospam_ to use)
ClubWin! Charter Member (6)
MCP Windows 95/Windows Networking
Collector of classic computers
<<<========== Reply Separator ==========>>>
<1547 is stamped on the transformer. ?.
<
<I'd like to make this run off 110 without having to modify the actual uni
<itself.
Assuming the power drain isn't in the kilowatt range JDR sells 110/220
transformers in the under $100 range. They sell them for to run 110 stuff
on 220 but they can be sued the other way. Do use a plug on that 220
unit that is unique so it doesn't get plugged into something other than
what you want.
Allison
At 16:31 5/22/98 +0100, you wrote:
>back on topic though, what cassette unit could be connected up to the
>original PC machines? Was it a custom IBM unit only (similar to the way
>the C64's only accept Commodore tape decks), or could anything be used
>if a cable was made up?
There was a discussion on here a while back about whether IBM had ever made
cassette decks to attach to that port, and IIRC, the outcome was
inconclusive. If such a thing existed, certainly there were never many of
them. In general, the favorite commodity cassette recorder for the purpose
was one of the long Panasonics with the carrying handle.
__________________________________________
Kip Crosby engine(a)chac.org
http://www.chac.org/index.html
Computer History Association of California
Alright!!!! Let's get this thing started!!!! Seriously, I've got a ][+, with
64K and a Mountain Computers DA/AD card. Anyone have info on this??? Also,
I'm getting a cool card that takes a snapshot of RAM and records it on a
floppy, as well as one that keeps the RAM on during a power outage.
Ciao,
Tim D. Hotze
><< What I'd really like is to start a good long discussion on Apple use and
> lore. If somebody has the patience to start this with me, I'd appreciate
> it. I've got other stuff I want to know about but this'll do for now. (:
>>
>
>great, lets get started. i first played with the apple //e in high skool
and
>subsequently failed computer science but its got me to where i am now. i
have
>every apple // model except for an original ][, //c+ and gs and i have
plenty
>of hardware and software to keep me using these computers for many many
years.
>at work i was playing around with MAME and some old computer emulators and
>even found beyond castle wolfenstien which played JUST LIKE the apple
version;
>even the voices! i played plenty of that during classtime. i always wanted
an
>apple for myself when i was younger, and finally i can afford to get one; a
>//e enhanced with duodisk drive and colour monitor; woo hoo!
>
>david
Hi.
I found the following Apple ][ bits today and being the Apple neophyte
that I am, I could use some information on them.
Orange Micro Grappler +. How is this better than the Orange Micro Printer
Interface that I got with my ][plus? I assume the quad DIP switch at the
back end is to set communications parameters. Looking at the traces I'm
guessing it's a serial interface.
Mega-Bit RAM card. Looks pretty boring actually, but I don't see any
obvious way to cable it to the motherboard RAM in the standard fashion. 16
chips, labelled 'C1516', 'C1515', or 'C1517'. No other markings on the
chips. I suppose it's just standard 16k RAMs?
The most interesting: a "Mockingboard Sound/Speech 1'. Looks remarkably
like a DAC/speech synth. I'm guessing even stereo? It's got two DACs and a
pair of LM386 chips. It's got three potentiometers across the top and a 4
pin BERG header which I'm thinking is the output stage. I want to play
with this. How?
Last but not least is the Apple ][ motherboard. I'm wondering which ][ it
came from. I compared it to my ][plus and it looks remarkably similar with
the following differences:
Mystery board: Has 'APPLE II MAIN LOGIC BD RFI' silkscreened underneath
the copyright and part number (820-0044-D), one bank of 300 ns Apple
branded 4116 RAMs, and Apple/Microsoft ROMs. At the back of the board
by the mounting holes it is marked '606-X548'.
Apple ][plus: Has nothing silkscreened beneath the copyright and part
number (820-0044-01 or -0I), three banks of 200 ns Apple badged 416C RAMs,
and fairly generic looking ROMs that have only Apple copyrights on them.
What are the differences between the Apple ][, ][plus, and //e?
What I'd really like is to start a good long discussion on Apple use and
lore. If somebody has the patience to start this with me, I'd appreciate
it. I've got other stuff I want to know about but this'll do for now. (:
Thanks.
ok
r.
i decided to make a thrift store run and found two things of interest; an
apple hd20 external scsi drive unit with the top off. had a regular old
seagate st225N in it which surprised me. also found an osborne, complete with
keyboard and dual floppies. i have seen one osborne before, but this one was
all grey and had the word OSBORNE molded into the case (or was it the
keyboard?) it also had a plastic trap door for the power cable and had a cheap
plastic feel to it, unlike the earlier one i saw last year. can anyone place
the time period it was manufactured? it was $10, so i might go back and get it
after the holiday.
david
About a year ago, I got a Mac Portable, which I really like. Back
then, unfortunately, I had the tendency to upgrade everything to the
most recent version, so I installed System 7.0.1 on it. Since then,
I've wanted to play with an earlier OS to save RAM. I will eventually
download OS 6.0.5, but for now, I just picked up WordPerfect 1.0.2,
which has OS 4.2 on the disks. FInally, my question: when I try to
boot off the disk, it freezes during the "Welcome to Macintosh"
screen. It shows up fine when I boot of the hard drive, and
Norton Disk Doctor doesn't show any problems. Ideas? In general,
what is the earliest version the portable can run?
By the way, it looks like I have all the needed files on the disk.
PS, what should I pay for an ImageWriter II?
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