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Info Needed: International Data Systems 88-SPM Clock Module

glitch

Veteran Member
Joined
Feb 1, 2010
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5,051
Location
Central VA
Can't seem to find any information, other than a few magazine ads, on a S100 clock board I've got. It's marked:

1980 IDS International Data Systems, INC
88-SPM Clock Module V01

Looks like it's another TTL clock, I can't pick out any RTC chips or repurposed alarm clocks. Schematic, manual, programs you know interact with one of these, et c. would be super helpful!
 
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