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- Path: haus.efn.org!garyd
- From: garyd@haus.efn.org (Gary)
- Newsgroups: comp.os.cpm,alt.folklore.computers,comp.sys.cbm
- Subject: Re: Z8000 family?
- Followup-To: comp.os.cpm,alt.folklore.computers
- Date: 12 Mar 1996 09:53:10 GMT
- Organization: Oregon Public Networking
- Message-ID: <4i3hi6$ecr@mars.efn.org>
- References: <4hp8fh$2v2@mars.efn.org> <4i10a5$rae@utopia.hacktic.nl>
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-
- Alexandre Montaron - Universite de Paris 8 (canal@warka.univ-paris8.fr) wrote:
-
- : I don't know this machine. But I have bought there 2 or 3 years with a
- : friend that collection Commodore machine a prototype from Commodore
- : based on a Z8000 chip. The name of the prototype was CBM 900. This
- : machine was never sold. A year after Commodore announce the Amiga 500.
-
- : Finally I sold the machine to my friend...
-
- : Perhaps you want to know the feature of the machine ?
-
- : - Unix Version 7 Operating System. Using the Z8001 (more than 64Ko) in
- : 32bits (in fact only 23 or 24 adress bits so 16Mb...)
- : - 256Kb extensible to 512Kb (or something like that... perhaps 1Mb).
- : - 2 x Z80-SCC so four serial port.
-
- : The operating system was a beta of Coherente (also sold for PC). The
- : c compilator was buggy (bit field was count in the bad way for
- : example). And it was possible to crash the machine by adressing an odd
- : high adress not supported by the only MMU. (If there was two, it will
- : be okay).
-
- Here's a piece from Jim Brain's "Canonical List of Commodore Products":
- (http://www.msen.com/~brain/pub/cbmmodel.txt)
-
- C900 Series: Prototype UNIX System, dropped after Amiga acquisition
- Zilog Z8000 CPU, Runs Coherent 0.7.3, UNIX 7 clone,
- Built-In Floppy, HD, IEEE-488. MFM Disk Controller, 1MB
- 9600 bps, 500 units made. Came in two versions.
- * C900/lo LoRes (80*24 Text, Max 6 Serial Lines)
- * C900/hi HiRes (1024*800 Graphics 2 Serial Lines)
-
-
- Where can I score one for dirt cheap? Anyone?
-
- -Gary
-