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72 pin 72 PIN SIMM at the computer

Pin
Non-Parity
Parity
Description
1
VSS
VSS
Ground
2
DQ0
DQ0
Data 0
3
DQ16
DQ16
Data 16
4
DQ1
DQ1
Data 1
5
DQ17
DQ17
Data 17
6
DQ2
DQ2
Data 2
7
DQ18
DQ18
Data 18
8
DQ3
DQ3
Data 3
9
DQ19
DQ19
Data 19
10
VCC
VCC
+5 VDC
11
n/c
n/c
Not connected
12
A0
A0
Address 0
13
A1
A1
Address 1
14
A2
A2
Address 2
15
A3
A3
Address 3
16
A4
A4
Address 4
17
A5
A5
Address 5
18
A6
A6
Address 6
19
A10
A10
Address 10
20
DQ4
DQ4
Data 4
21
DQ20
DQ20
Data 20
22
DQ5
DQ5
Data 5
23
DQ21
DQ21
Data 21
24
DQ6
DQ6
Data 6
25
DQ22
DQ22
Data 22
26
DQ7
DQ7
Data 7
27
DQ23
DQ23
Data 23
28
A7
A7
Address 7
29
A11
A11
Address 11
30
VCC
VCC
+5 VDC
31
A8
A8
Address 8
32
A9
A9
Address 9
33
/RAS3
/RAS3
Row Address Strobe 3
34
/RAS2
/RAS2
Row Address Strobe 2
35
n/c
PQ3
Parity bit 3 (for the 3rd byte, bits 16-23)
36
n/c
PQ1
Parity bit 1 (for the 1st byte, bits 0-7)
37
n/c
PQ2
Parity bit 2 (for the 2nd byte, bits 8-15)
38
n/c
PQ4
Parity bit 4 (for the 4th byte, bits 24-31)
39
VSS
VSS
Ground
40
/CAS0
/CAS0
Column Address Strobe 0
41
/CAS2
/CAS2
Column Address Strobe 2
42
/CAS3
/CAS3
Column Address Strobe 3
43
/CAS1
/CAS1
Column Address Strobe 1
44
/RAS0
/RAS0
Row Address Strobe 0
45
/RAS1
/RAS1
Row Address Strobe 1
46
n/c
n/c
Not connected
47
/WE
/WE
Read/Write
48
n/c
n/c
Not connected
49
DQ8
DQ8
Data 8
50
DQ24
DQ24
Data 24
51
DQ9
DQ9
Data 9
52
DQ25
DQ25
Data 25
53
DQ10
DQ10
Data 10
54
DQ26
DQ26
Data 26
55
DQ11
DQ11
Data 11
56
DQ27
DQ27
Data 27
57
DQ12
DQ12
Data 12
58
DQ28
DQ28
Data 28
59
VCC
VCC
+5 VDC
60
DQ29
DQ29
Data 29
61
DQ13
DQ13
Data 13
62
DQ30
DQ30
Data 30
63
DQ14
DQ14
Data 14
64
DQ31
DQ31
Data 31
65
DQ16
DQ16
Data 16
66
n/c
n/c
Not connected
67
PD1
PD1
Presence Detect 1
68
PD2
PD2
Presence Detect 2
69
PD3
PD3
Presence Detect 3
70
PD4
PD4
Presence Detect 4
71
n/c
n/c
Not connected
72
VSS
VSS
Ground

Size:

PD2
PD1
Size
GND GND 4 or 64 MB
GND NC 2 or 32 MB
NC GND 1 or 16 MB
NC NC 8 MB

Accesstime:

PD4
PD3
Accesstime
GND GND 50, 100 ns
GND NC 80 ns
NC GND 70 ns
NC NC 60 ns


Any information used is at your own risk.
Do take proper precautions when working with electronic parts,
some can hold electrical discharges
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