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.
