User Guide

Apx. C Pin Assignments Appendices
Satellite M20 Maintenance Manual C-11
C.8 CN18 Keyboard Connector (34-Pin)
Table C-8 Keyboard connector pin assignments (34-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 N.C - 2 IPSY I
3 GND(IPSGND) - 4 IPSX I
5 +V5S - 6 N.C -
7 SCAN OUT(15) O 8 SCAN
OUT(14)
O
9 SCAN IN(7) I 10 SCAN IN(6) I
11 SCAN OUT(13) O 12 SCAN
OUT(12)
O
13 SCAN IN(5) I 14 SCAN IN(4) I
15 SCAN OUT(11) O 16 SCAN
OUT(10)
O
17 SCAN IN(3) I 18 SCAN IN(2) I
19 SCAN IN(1) I 20 SCAN OUT(9) O
21 SCAN OUT(8) O 22 SCAN OUT(7) O
23 SCAN IN(0) I 24 SCAN OUT(6) O
25 SCAN OUT(5) O 26 SCAN OUT(4) O
27 SCAN OUT(3) O 28 SCAN OUT(2) O
29 SCAN OUT(1) O 30 SCAN OUT(0) O
31 +V5S - 32
CAPS_LED#_3
O
33
SCROLL_LED#_
3
O 34 NUM_LED#_3 O