80386 Memory Expansion Option

@FAFF.ADF - IBM 0-6 MB 386 Memory Expansion Adapter 
CFAFF.ADF - Init file for @FAFF.ADF 
 

  Is this also the 2-6MB Memory Expansion Option (6450367) ??


Memory Expansion Adapter FRU 90X9507

J1-3 is Burndy VH3X32S-2Z16

Memory Daughter Card FRU 90X9009

Most of the memory is:
Panasonic MN41C4256SJ-08 or Hitatchi HM514256AJP8 or Toshiba TC514256AJ-80 
U9,18 is IBM 89X8922
Header is Burndy VR3X32S-2Z17
 

  "IBM Personal System/2 A Business Perspective" 1st Ed., pg. 49, Fig 37, "Any Model 80 can accept up to three 80386 Memory Expansion Options." Memory speed is 80nS.

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