Pro2

Upgrade FROM a 23 button TO a 23 button front panel only.  

OS chip type = 
--------------
AM27C512 -200DC
923DTCO
1986 AMD
--------------

The 'U' numbers are the socket numbers on the board. 

the numbers with more than one alpha (AX, SX, or Pro2)
Are the same file obtained from different modules.  

This verifies the Pro2 is all the previous modules.

or: if it fits in U60, it fits all three modules.  

The file name tells you what socket it goes in.  

This is the entire Pro2 data. 
No chip has been omitted from this data base.  

  

