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Satellite M50 Series Maintenance Manual
[CONFIDENTIAL]
C-1
C.
Appendix C Pin Assignments
System Board
C.1 JP1
Table C-1 Docking modem Connector pin assignments (4-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 MDC2_DIP I/O 2 MDC1_RING I/O
3 MDC3_RING I/O 4 MDC2_DIP I/O
C.2 JP2
Table C-2 CRT (CRT/B) Connector pin assignments (12-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 +5VS - 2 +3VS -
3 DSUB_12_DATA I/O 4 DSUB_15_CL
K
I/O
5 HSYNC O 6 VSYNC O
7 GND - 8 CRT_R_L O
9 GND - 10 CRT_G_L O
11 GND - 12 CRT_B_L O
C.3 JP3
Table C-3 USB(CRT/B) Connector pin assignments (10-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 +5VALW - 2 +5VALW -
3 SYSON# O 4 GND -
5 USB20_N1 I/O 6 USB20_P1 I/O
7 GND - 8 USB20_N3 I/O
9 USB20_P3 I/O 10 GND -