Re: Commodore PCs

Probably not, most certainly not, but it'd be fun to make maybe a fauxMINIX
that would work on an 8086, or install a 386 motherboard into the chassis,
just for fun.
b

On Thu, Oct 15, 2015 at 12:03 PM, J. Alexander Jacocks <jjacocks@gmail.com>
wrote:

> The only Commodore UNIX that I know of is a System V-derivative (Amix)
> that ran on the A3000UX.  I wasn't aware that they had any any
> x86-compatible UNIX projects.
>
> - Alex
>
> On Thu, Oct 15, 2015 at 11:58 AM, william degnan <billdegnan@gmail.com>
> wrote:
>
>> I always forget about the PC line.
>>
>> What might be fun is making a souped-up UNIX OS system out of one.  See
>> if you can run that version of UNIX Commodore was playing around with,
>> forget the name.
>> b
>>
>> On Thu, Oct 15, 2015 at 10:49 AM, Ethan Dicks <ethan.dicks@gmail.com>
>> wrote:
>>
>>> On Thu, Oct 15, 2015 at 3:04 AM, Baltissen, GJPAA (Ruud)
>>> <ruud.baltissen@apg.nl> wrote:
>>> > We are mainly talking about the 8-bitters. But I also tinker with PCs,
>>> the very old ones of course. And those include the Commodore ones.
>>> >
>>> > My questions:
>>> >
>>> > - Is anybody else on this list interested in the Commodore PCs?
>>>
>>> I have a Commodore PC-10 I need to repair - the NiCd battery leaked
>>> and I need to repair it (since I doubt I'll find a replacement
>>> mainboard easily).  The damage is about 2cm x 5cm, so I'll have a
>>> number of passive components and a couple of ICs to remove before I
>>> can get into any trace repair.  :-(
>>>
>>> > - If so, would anybody object discussing these PCs on this list?
>>>
>>> It seems not.
>>>
>>> By way of extending the discussion, I used to use this PC-10 to run my
>>> B&C Microsystems EPROM and GAL programmer.  I put an 8-bit NIC in it
>>> and the proprietary parallel card for the device programmer.  I used
>>> Kermit and its internal TCP/IP support (with a packet driver for my
>>> NIC) to get files into the machine.  When the leaking battery killed
>>> the machine, I had to switch to a Compaq to burn my devices.  I have
>>> to use an older machine with this programmer.  There appear to be
>>> software timing loops that cause it not to function on anything faster
>>> than about a 16MHz 80286 (a 4.77-8Mhz 8088 is just fine).  Even a
>>> 25Mhz 386 is "too fast".  It must be something to do with how fast I/O
>>> bus accesses are when the ISA bus is _not_ directly connected to the
>>> CPU.  I never investigated wait state or other options.  It was just
>>> easier to keep an old machine working than investigate new machines.
>>>
>>> I do have the XT-IDE drive for mine, but I don't have a lot of spares,
>>> so when that disk drive dies, I'll probably have to switch to an ISA
>>> disk - fortunately, I have one or two 8-bit SCSI cards with boot ROMs,
>>> so I won't have to find a working MFM drive.
>>>
>>> -ethan
>>>
>>>        Message was sent through the cbm-hackers mailing list
>>>
>>
>>
>>
>> --
>> Bill
>>
>>
>


-- 
Bill


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