Asus P5A-B P5A-B User Manual - Page 32

SMBus Connector 5-1 pin SMB

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R R III. INST ALLATION Connectors III. INSTALLATION 19. Wake-On-LAN Activity Connector (3-pin WOLCON) The WOLCON connector allows the system to power up when there is a wakeup packet or signal is received from the network through the ASUS PCI-L101 LAN card (see section VI. ASUS LAN CARD). IMPORTANT: This feature requires that the WAKE On LAN Power Up Control is set to Enabled (see "Power Management Setup" under IV. BIOS SOFTWARE) and that your system has an ATX power supply with at least 720mA +5V standby power. +5V Standby Ground PME P5A-B Wake-On-LAN Connector 20. SMBus Connector (5-1 pin SMB) This connector allows you to connect SMBus devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer. P5A-B SMBus Connector SMBCLK Ground SMBDATA +5V 32 ASUS P5A-B User's Manual

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32
ASUS P5A-B User’s Manual
III. INSTALLATION
Connectors
III.
INST ALLATION
19.
Wake-On-LAN Activity Connector (3-pin WOLCON)
The WOLCON connector allows the system to power up when there is a wakeup
packet or signal is received from the network through the ASUS PCI-L101 LAN
card (see section
VI. ASUS LAN CARD
).
IMPORTANT:
This feature requires that the
WAKE On LAN
Power Up Control
is
set to
Enabled
(see “Power Management Setup” under
IV. BIOS SOFTWARE
) and
that your system has an ATX power supply with at least 720mA +5V standby power.
P5A-B Wake-On-LAN Connector
+5V Standby
PME
Ground
20. SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus devices. SMBus devices commu-
nicate by means of the SMBus with an SMBus host and/or other SMBus de-
vices. The SMBus or System Management Bus is a specific implementation of
an I
2
C bus, which is a multi-master bus, that is, multiple chips can be connected
to the same bus and each one can act as a master by initiating data transfer.
P5A-B SMBus Connector
+5V
Ground
SMBCLK
SMBDATA