>C=Y TM=1 BM=66 LM=2 RM=80 J=NModel 4P Memory Modification for Gate Array Boards>C=NMOD4PFG2/TXT                                                        Fig 2                                     Lift R23 Closest to U115-11                  U115-11 >--*-------------------X   |-/\/\/---*---> RAS0                                 |                       |  27 Ohm |                                          |---12|----\            |         |                                                | #5   11---------|         |                                          |---13|----/                      |                                          |      U114P                      |                                          |      74S08                      |                                          |      AND                        |                               U115-3 >---*-----X  -/\/\/- X----------------|---> RAS1                                           Remove R21                                                1 U105P - 74LS32   2 U24P  - 7486   3 U129P - 74S08   4 U87P  - 74LS32   5 U114P - 74S08   6 U111P - 74S157 or 74157   7 U110P - 74S157 or 74157   8 U125P - 74LS244   9 U85P  - 74LS273  10 U116P - 7442  11 U117P - 74S08 For additional memory  12 U96P  - 74S08 For additional memory                                                                                                                                                                                                                                         