varian boards

[Al Kossow]

>I have the following circuit boards for a varian data Machines, and would like to know what each board is

This is pretty much a complete set for a 620i

I have a copy of Vol 1 of the maint manual, which doesn't incl the schems.

DM 103 matrix decoder
   104 memory driver
   106 memory timing & ctl
   108 register card
   109 processor control 1
   110 processor control 2
   111 processor control 3
   112 processor control 4
   113 teletype control
   119 memory data card
   120 ?
   121 interrrupt trap
   122 mul/div extd adr
   123 pwr fail /restart
   124 pri intr module
   126 ?

the name of the card should be on the etch