Identifying a Mystery ISA Card

Fred Cisin cisin at xenosoft.com
Thu Oct 15 20:02:16 CDT 2020


>>> https://i.imgur.com/WhO4cco.jpg
>>> https://i.imgur.com/uBCkv5G.png
>> It resembles, although doesn't match, the AST Six-Pack.
>> But the AST Six-pack had a clock circuit.
On Thu, 15 Oct 2020, Glen Slick via cctalk wrote:
> Isn't the 24-pin DIP part MM58167? shown in the images referenced above a
> RTC chip?

Which would make it VERY similar, but not direct copy of the ST Six-pack 
(the AST uses a coin cell battery, and many parts are slightly moved 
around.

Q: What are the SIX functions of the AST Six-Pack?
A: RAM
 	serial
 	parallel
 	joystick
Q: That's FOUR, not SIX
A: RAMDISK, Print Spooler.




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