User Guide

Apx. C Pin Assignments Appendices
Satellite M20 Maintenance Manual C-1
Appendix C
Appendix C Pin Assignments
System Board
C.1 CN504 Memory Connector (1) (200-Pin)
Table C-1 Memory connector (1) pin assignments (200-PIN)
Pin
No.
Signal Name I/O Pin
No.
Signal Name I/O
1 SM_VREF - 2 SM_VREF -
3 GND - 4 GND -
5 M_DATA_R_(0) I/O 6 M_DATA_R_(4) I/O
7 M_DATA_R_(1) I/O 8 M_DATA_R_(5) I/O
9 +V2.5 - 10 +V2.5 -
11 M_DQS_R(0) I/O 12 M_DM_R(0) -
13 M_DATA_R_(2) I/O 14 M_DATA_R_(6) I/O
15 GND - 16 GND -
17 M_DATA_R_(3) I/O 18 M_DATA_R_(7) I/O
19 M_DATA_R_(8) I/O 20 M_DATA_R_(12) I/O
21 +V2.5 - 22 +V2.5 -
23 M_DATA_R_(9) I/O 24 M_DATA_R_(13) I/O
25 M_DQS_R(1) I/O 26 M_DM_R(1) -
27 GND - 28 GND -
29 M_DATA_R_(10) I/O 30 M_DATA_R_(14) I/O
31 M_DATA_R_(11) I/O 32 M_DATA_R_(15) I/O
33 +V2.5 - 34 +V2.5 -
35 M_CLK_DDR0 I/O 36 +V2.5 -
37 M_CLK_DDR0# I/O 38 GND -
39 GND - 40 GND -
41 M_DATA_R_(16) I/O 42 M_DATA_R_(20) I/O
43 M_DATA_R_(17) I/O 44 M_DATA_R_(21) I/O
45 +V2.5 - 46 +V2.5 -
47 M_DQS_R(2) I/O 48 M_DM_R(2) -
49 M_DATA_R_(18) I/O 50 M_DATA_R_(22) I/O
51 GND - 52 GND -
53 M_DATA_R_(19) I/O 54 M_DATA_R_(23) I/O
55 M_DATA_R_(24) I/O 56 M_DATA_R_(28) I/O
57 +V2.5 - 58 +V2.5 -
59 M_DATA_R_(25) I/O 60 M_DATA_R_(29) I/O