Appendix C Pin Assignments 77
C.6 Keyboard Lock Connector (CN6)
Table C-6: Keyboard lock connector
Pin Signal
1 +5 V
2 N/C
3 GND
4 KBLOCK
5 GND
C.7 External Speaker Connector (CN7)
Table C-7: External speaker connector
Pin Signal
1+ 5 V
2 N/C
3 Internal speaker
4 External speaker
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