Technical Reference Guide
The NIC uses 3.3 VDC auxiliary power, which allows the controller to support Wake-On-LAN
(WOL) and Alert-On-LAN (AOL) functions while the main system is powered down.
NOTE: For the features in the following paragraphs to function as described,
the system unit must be plugged into a live AC outlet. Controlling unit
power through a switchable power strip will, with the strip turned off, disable any wake,
alert, or power mangement functionality.
5.9.1 WAKE ON LAN SUPPORT
The NIC supports the Wired-for-Management (WfM) standard of Wake-On-LAN (WOL) that
allows the system to be booted up from a powered-down or low-power condition upon the
detection of special packets received over a network. The NIC receives 3.3 VDC auxiliary power
while the system unit is powered down in order to process special packets. The detection of a
Magic Packet by the NIC results in the PME- signal on the PCI bus to be asserted, initiating
system wake-up from an ACPI S1 or S3 state.
5.9.2 ALERT STANDARD FORMAT SUPPORT
Alert Standard Format (ASF) support allows the NIC to communicate the occurrence of certain
events over a network to an ASF 1.0-compliant management console and, if necessary, take action
that may be required. The ASF communications can involve the following:
♦ Alert messages sent by the client to the management console.
♦ Maintenance requests sent by the management console to the client.
♦ Description of client’s ASF capabilities and characteristics.
The activation of ASF functionality requires minimal intervention of the user, typically requiring
only booting a client system that is connected to a network with an ASF-compliant management
console.
hp compaq d330 and d530 Series of Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition – June 2003
5-35
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