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Appendices Apx. C Pin Assignments

C-16 Satellite M20 Maintenance Manual

C.16 CN22 Power Supply Board I/F Connector (15-Pin)

Table C-16 Power supply board I/F connector pin assignments (15-Pin)

Pin No. Si

nal Name I/O Pin No. Si

nal Name I/O

1 +V3ALWAYS - 2 +V3ALWAYS -

3 +V3ALWAYS - 4 +V5ALWAYS -

5 +V5ALWAYS - 6 +V5ALWAYS -

7 +V5ALWAYS - 8 N.C -

9 +VBAT - 10 +VBAT -

11 N.C - 12 +VAC -

13 +VBAT - 14 +VAC -

15 +VAC - -

C.17 CN21 Power Supply Board I/F Connector (14-Pin)

Table C-17 Power supply board I/F connector pin assignments (14-Pin)

Pin No. Si

nal Name I/O Pin No. Si

nal Name I/O

1 GND - 2 GND -

3 GND - 4 GND -

5 GND - 6 GND -

7 GND - 8 GND -

9 GND - 10 GND -

11 GND - 12 GND -

13 GND - 14 GND -

C.18 CN20 Power Supply Connector

Table C-18 CN20 Power supply Connector pin assignments (20-Pin)

Pin No. Signal Name I/O Pin No. Signal Name I/O

1 +VADPTR - 2 +V5a -

3 CHG_EN I 4 AC_SEL I

5 ACPRES I 6 BAT_LATCH_RS

7 BATT_PWM O 8 BAT0_CLK O

9 BAT0_DATA O 10 BAT1_CLK O

11 BAT1_DATA - 12 CHG_0 -

13 DCHG_0 O 14 CHG_1 O

15 DCHG_1 I 16 BATT_IN0 O

17 BATT_IN1 I 18 +V3AON I

19 SLP_S4#_3R I 20 RTCVCC O