IBM RT PC card.

Mattis Lind mattislind at gmail.com
Mon Apr 3 03:56:30 CDT 2017


This card is sitting in a IBM RT PC.

http://i.imgur.com/Adqnxr3.jpg?1

What kind of card is it? The WD1935 seems to be a SDLC chip. I cannot find
any reference to the numbers P/N 6247874 (bottom layer etch) or the number
on the sticker on the backside: 6247871G001

It is connected to an IBM marked dongle which has 4 BNC connectors.

Is it a 3278-3279 emulation board?

/Mattis


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