Intel BLKDX79TO manual Legacy I/O, Expandability, LED Color LED State Indicates

Desktop Board Features

Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 3). These LEDs indicate the status of the LAN.

Figure 3. LAN Connector LEDs

Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating.

Table 3. LAN Connector LEDs

LED	LED Color	LED State	Indicates
A	Green	Off	LAN link is not established
		On	LAN link is established
		Blinking	LAN activity is occurring
B	N/A	Off	10 Mb/s data rate
	Green	On	100 Mb/s data rate
	Yellow	On	1000 Mb/s data rate

Legacy I/O

Intel Desktop Board DX79TO includes an I/O controller that provides the following legacy I/O features:

•Consumer Infrared (CIR) support

•Low pin count (LPC) interface

•Intelligent power management, including a programmable wake up event interface

•PCI power management support

Expandability

Intel Desktop Board DX79TO provides the following expansion capability:

•Two PCI Express 3.0 x16 connectors. Operation at PCI Express 3.0 speeds requires a processor that supports the PCI Express 3.0 Specification.

•Three PCI Express 2.0 x1 connectors

•One PCI bus connector

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