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Technical Reference Guide
Compaq Personal Computers
Original - December 2000
K-7
K.4.3 SMBUS CONNECTOR
Figure K-5 shows the SMBus connector. This connector is used for systems employing AOL
functionality and requiring a cable connection for SMBus activity.
NOTE: Compaq desktop units do not require a cable connection for SMBus
activity.
Figure K-5. AOL/SOS Connector (4-pin Header)
K.4.4 WOL CONNECTOR
Figure K-6 shows the WOL connector. This connector is used for systems employing remote
wake-up.
Figure K-6. WOL Connector (3-pin Header)
Pin Description
1SMBus Data
2 SMBus CS-
3 SMBus Clock
4 Not connected
1
2
3
4
Pin Description
1 +5 VDC aux
2 Ground
3 Wake
1
2
3