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501-1495



48M VME 4/3xx except 4/330

 Up to 48 1M or 4M SIMMs in six banks of eight.

 With component side up and VME connectors away from you:

  ----    ----    ----  VME connectors

  U2000   U1800   U1600
  bank4   bank2   bank0     Note that socket locations are
  U2007   U1807   U1607     silkscreened on the solder side
                            (underside) of the board.
  U2100   U1900   U1700
  bank5   bank3   bank1
  U2107   U1907   U1707

 The three documented configurations are bank 0 only (8M or 32M), banks 0-2
  (24M or 96M), or all six banks (48M or 192M).

 There are a variety of jumpers.

  J2304   BGR0 (leftmost of block in far left corner)             JUMPED

  J2305   BGR1 (left middle of block in far left corner)          JUMPED

  J2306   BGR2 (right middle of block in far left corner)         JUMPED

  J2307   BGR3 (rightmost of block in far left corner)            JUMPED

  J2308   IACK (single jumper in far left)                        JUMPED

  J2309   1M/4M (nearest of block in far right) Jump for 4M SIMMs, unjump for
           1M SIMMs.

  J2310-J2312 CONF0-CONF2 (near middle to farthest of block in far right)

   banks filled    J2310       J2311       J2312
   ------------    -----       -----       -----
        0          JUMPED      JUMPED      JUMPED
       0-2         JUMPED      UNJUMPED    JUMPED
       0-5         UNJUMPED    JUMPED      UNJUMPED

 Power requirements are +5V @ 4.3A (24M) or 5.3A (48M).

  




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