Simm Sockets - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

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A-16
Connector Pin Assignments
Pin
Signal
A27
3.3 V
A28
AD22
A29
AD20
A30
GND
A31
AD18

SIMM Sockets

Table A-22 provides the SIMM socket pin assignments.
Pin
Signal
1
GND
2
D0
3
D16
4
D1
5
D17
6
D2
7
D18
8
D3
9
D19
10
+5V
11
N/C
12
A0
13
A1
14
A2
15
A3
16
A4
17
A5
18
A6
19
N/C
*Identifies SIMM sockets
Table A-21 PCI Connector Pin Assignments
Pin
Signal
B27
AD23
B28
GND
B29
AD21
B30
AD19
B31
3.3 V
Table A-22 SIMM Socket Pin Assignments
Pin
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40*
41*
42*
43*
Pin
Signal
A58
AD0
A59
Vcc
A60
SREQ64-
A61
Vcc
A62
Vcc
Signal
Pin
D22
49
D7
50
D23
51
A7
52
N/C
53
+5V
54
A8
55
A9
56
N/C
57
RAS2
58
MP2
59
MP0
60
MP1
61
MP3
62
GND
63
CAS0
64
CAS2
65
CAS3
66
CAS1
67
Pin
Signal
B58
AD1
B59
Vcc
B60
SACK64-
B61
Vcc
B62
Vcc
Signal
D8
D24
D9
D25
D10
D26
D11
D27
D12
D28
+5V
D29
D13
D30
D14
D31
D15
N/C
PD0 (N/C)

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