Technical information

Appendix A. Connector Pin Assignments

The following tables show the pin assignments for various system board connectors.

System Memory Connectors

168

Figure 2. System Memory (DIMM) Connector

Note: Each system memory connector is a 168-pin, gold-lead socket.

Table 39 (Page 1 of 3). 168-Pin Assignments for the System Memory Connector

Pin Signal Name I/O Pin Signal Name I/O

1 Ground NA 85 Ground NA

2 MD0 I/O 86 MD32 I/O

3 MD1 I/O 87 MD33 I/O

4 MD2 I/O 88 MD34 I/O

5 MD3 I/O 89 MD35 I/O

6 VDD I/O 90 VDD NA

7 MD4 I/O 91 MD36 NA

8 MD5 I/O 92 MD37 I/O

9 MD6 I/O 93 MD38 I/O

10 MD7 I/O 94 MD39 I/O

11 MD8 I/O 95 MD40 I/O

12 GND NA 96 Ground NA

13 MD9 I/O 97 MD41 I/O

14 MD10 I/O 98 MD42 I/O

15 MD11 O 99 MD43 I/O

16 MD12 O 100 MD44 I/O

17 MD13 O 101 MD45 I/O

18 VDD O 102 VDD NA

19 MD14 O 103 MD46 I/O

20 No connect/CB0 I/O 104 MD47 I/O

21 No connect/CB1 I/O 105 No connect/CB4 I/O

22 PAR2 I/O 106 No connect/CB5 I/O

23 Ground I/O 107 Ground NA

24 No connect NA 108 No connect NA

25 No connect NA 109 No connect NA

26 VDD O 110 VDD NA

27 WE0 O 111 DU NA

28 CAS0 O 112 CAS4 O