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From: pH <wNOSPAMp@gmail.org>
Newsgroups: comp.os.cpm
Subject: Re: Just wondering...
Date: Wed, 4 Jun 2025 04:37:20 -0000 (UTC)
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On 2025-06-03, Josef Möllers <josef@invalid.invalid> wrote:
> On 02.06.25 17:55, pH wrote:
>> On 2025-06-02, Josef Möllers <josef@invalid.invalid> wrote:
>>> On 02.06.25 15:31, John wrote:
>>>> If people have migrated to another site...
>>>> ... or maybe have (gulp) died off...
>>>
>>> I, for one, am still lurking.
>>> But I find little time to tinker with my SB180FX.
>>>
>>> Josef
>> 
>> Oh! Is that the Board from Steve Ciarcia of Byte Magazine?
>
> Yes. I did have a GT180 as well, but that didn't survive a faulty power 
> connection (as did the SB180FX, but I managed to get replacements for 
> all the chips on that board).
>
>>  Was it a Hitachi
>> chip?

I seem to recall it was....6MHz?

>
> Yes, an HD64180.
>
>>  I don't recall....and was it CP/M 3?
>
> It was a CP/M clone called Zsystem.

Is that the same as ZCPR?  I remember reading about it.
>
> At the time I worked for a computer manufacturer who occasionally sold 
> surplus stuff to employees, so I had quickly added a 10MB (in words: TEN 
> MEGABYTES ... ALL FOR ME!!!!) hard disk through an Adaptec host adapter, 
> later a Quantum 40MB SCSI disk, but now it has a solid state SCSI flash 
> disk. Also, as I feared that the floppies wouldn't last longer, I 
> replaced the FDDs with a USB-Floppy-Adapter, allowing me to have almost 
> all floppies online.
>
That is cool you have all that stuff.  I thought that CP/M 3 /ZCPR could
bank-switch 64 banks of 64K for a grand total of 8MB of memory (or so I
thought...) I thought that would be good for all eternity.

Turns out I have no clue on how things really work hardware wise and CP/M 3
still had a 64K or less TPA and other banks used for buffers, i/O and
whatnot I guess.  Still, that would have been a speedup and who knows what
would have been cobbled together over the next couple years had King Kong
not arrived w/ the 8088 et. al.

I reemember that Philippe Kahn released Turbo Modula-2 for that machine.

What other software do you have for it? WordStar, Supercalc, CBASIC is about
all I can think of.  I had Mix C for my old Apple ][+ w/ cp/m card.


pH



>>  Memory fades.....
>
> What was it we were talking about? ;-)
>
> Josef
>