IC Date Codes

From: Marvin <marvin_at_rain.org>
Date: Tue Jun 24 16:01:43 1997

Kai Kaltenbach wrote:
>
> I just got a couple of unidentified front panels. If anyone can shed
> some light on what computers these come from, please let me know!
>
> - An ink stamp on the PCB reads "5172" - 5/1/72 perhaps?
>

Speaking of date codes, most (if not all) ICs that have a date code are
a combination of the week and year so that "5172" would be the 51st week
in 1972. Knowing that makes it a lot easier to approximate when the
board was made.
Received on Tue Jun 24 1997 - 16:01:43 BST