Identify IIe Motherboard Revision

[mikem]

I'm trying to figure out which revision of motherboard is in my IIe. Can anyone help me out?

 

[Drken]

"M" - indicates that it is a fairly recent version of the IIe motherboard.

 

[a2fan]

I'm trying to figure out which revision of motherboard is in my IIe. Can anyone help me out?

View attachment 12214View attachment 12215

That's a first run revision 'B' motherboard from week 39, 1984, i.e. it supports DHGR (that the previous rev A board did not).

The 'M' is part of a lot number, and has nothing to do with the revision of the mobo.