SIMM (30 pin)
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SIMM (30 pin)

pinout

SIMM=Single Inline Memory Module

30 pin SIMM
30 pin SIMM connector  at the computer
Pin Name Description
1VCC+5 VDC
2/CASColumn Address Strobe
3DQ0Data 0
4A0Address 0
5A1Address 1
6DQ1Data 1
7A2Address 2
8A3Address 3
9GNDGround
10DQ2Data 2
11A4Address 4
12A5Address 5
13DQ3Data 3
14A6Address 6
15A7Address 7
16DQ4Data 4
17A8Address 8
18A9Address 9
19A10Address 10
20DQ5Data 5
21/WEWrite Enable
22GNDGround
23DQ6Data 6
24A11Address 11
25DQ7Data 7
26QPData Parity Out
27/RASRow Address Strobe
28/CASPSomething Parity ????
29DPData Parity In
30VCC+5 VDC

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.

Source:www.pinouts.ru


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