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30 pin 30 PIN SIMM at the computer
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Pin
|
Name
|
Description
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1
|
VCC
|
+5 VDC
|
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2
|
/CAS
|
Column Address Strobe
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|
3
|
DQ0
|
Data 0
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|
4
|
A0
|
Address 0
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5
|
A1
|
Address 1
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6
|
DQ1
|
Data 1
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7
|
A2
|
Address 2
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8
|
A3
|
Address 3
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9
|
GND
|
Ground
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10
|
DQ2
|
Data 2
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11
|
A4
|
Address 4
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|
12
|
A5
|
Address 5
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13
|
DQ3
|
Data 3
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14
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A6
|
Address 6
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15
|
A7
|
Address 7
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16
|
DQ4
|
Data 4
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17
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A8
|
Address 8
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18
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A9
|
Address 9
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19
|
A10
|
Address 10
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20
|
DQ5
|
Data 5
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21
|
/WE
|
Write Enable
|
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22
|
GND
|
Ground
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23
|
DQ6
|
Data 6
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24
|
A11
|
Address 11
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25
|
DQ7
|
Data 7
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26
|
QP
|
Data Parity Out
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27
|
/RAS
|
Row Address Strobe
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28
|
/CASP
|
Something Parity ????
|
|
29
|
DP
|
Data Parity In
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30
|
VCC
|
+5 VDC
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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.
Any
information used is at your own risk.
Do take proper precautions when working with electronic parts,
some can hold electrical discharges
All
rights reserved 1999
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