Adapter ADP-RM1A

liyf

Adapter ADP-RM1A to test SIMM30 / SIP32 ram-modules from   256Kb to 8Mb
Pin Name Description
      1 VCC +5V
      2 /CAS Column Address Strobe
      3 DQ0 Data 0
      4 A0 Address 0
      5 A1 Address 1
      6 DQ1 Data 1
      7 A2 Address 2
      8 A3 Address 3
      9 GND Ground
      10 DQ2 Data 2
      11 A4 Address 4
      12 A5 Address 5
      13 DQ3 Data 3
      14 A6 Address 6
      15 A7 Address 7
      16 DQ4 Data 4
      17 A8 Address 8
      18 A9 Address 9
      19 A10 Address 10
      20 DQ5 Data 5
      21 /WE Write Enable
      22 GND Ground
      23 DQ6 Data 6
      24 A11 Address 11
      25 DQ7 Data 7
      26 QP Data Parity Out
      27 /RAS Row Address Strobe
      28 /CASP The line is the /CAS line for the parity RAM on the card. The parity       generator circuitry of the motherboards needed a longer time to generate       a parity bit, so the CAS for the extra DRAM had be controlled seperately,       hence, the extra /CAS line. (Source: Tom Walsh).
      29 DP Data Parity In
      30 VCC +5V
      Note: SIMM above is a 4MBx9.
      QP & DP is N/C on SIMMs without parity.
      A9 is N/C on 256kB.
      A10 is N/C on 256kB & 1MB. A11 is N/C on 256kB, 1MB & 4MB.

HWX0309

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