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Motherboard Description
SY-P4IS2
16
1-7.10 38 General Purpose I/O Pins
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Input mode supports either switch de-bounce or programmable
external IRQ input routing
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Output mode supports 2 sets of programmable LED blinking periods
1-7.11 External IRQ Input Routing Capability
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Provides IRQ input routing through GPIO input mode
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Programmable registers for IRQ routing
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Note
The mouse and keyboard can be plugged into either PS/2 connector.
Power to the computer should be turned off before a keyboard or mouse is
connected or disconnected.
The keyboard controller contains code, which provides the traditional
keyboard and mouse control functions, and also supports Power On/Reset
password protection. Power On/Reset password can be specified in the
BIOS Setup program.
The keyboard controller also supports the hot-key sequence
<Ctrl><Alt><Del>, software reset. This key sequence resets the
computer’s software by jumping to the beginning of the BIOS code and
running the Power On Self Test (POST).
1-8 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 technology connector. The NIC monitors network traffic at the MII
interface; upon detecting a Magic Packet, the NIC asserts a wakeup signal
that powers up the computer. To access this feature uses the Wake on LAN
technology connector.
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CAUTION
For Wake on LAN, the 5-V standby line for the power supply must be
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