12 wake on lan technology – SOYO SY-7VCA User Manual

Page 23

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Motherboard Description

SY-7VCA

19

subsystem include:
Ø An integrated ambient temperature sensor
Ø Fan speed sensors, which monitor the fan 1 and fan 2 connector.
Ø Power supply voltage monitoring to detect levels above or below

acceptable values

When suggested ratings for temperature, fan speed, or voltage are

exceeded, an interrupt is activated. The hardware monitor component

connects to the SMBus.

1-12 WAKE ON LAN TECHNOLOGY

Wake on LAN technology enables remote wakeup of the computer

through a network. Wake on LAN technology requires a PCI add-in

network interface card (NIC) with remote wakeup capabilities. The remote

wakeup connector on the NIC must be connected to the onboard Wake on

LAN connector. The NIC monitors network traffic at the Ethernet

interface; upon detecting a Magic Packet, the NIC asserts a wakeup signal

that powers up the computer. This feature uses the Wake on LAN

connector.

*

CAUTION

For Wake on LAN, the 5-V standby line for the power supply must be

capable of delivering +5V ±5 % at 720 mA. Failure to provide adequate

standby current when implementing Wake on LAN can damage the power

supply.

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