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Intel Desktop Board D845PEMY Product Guide
16
LAN Subsystem
The Intel 82562ET (with the Intel 82801DB ICH4) provides a Fast PCI LAN subsystem providing
both 10Base-T and 100Base-TX connectivity. The Intel 82562ET provides the following
functions:
• Basic 10/100 Ethernet LAN connectivity
• Support for RJ-45 connector with status indicator LEDs
• Programmable transit threshold
• Configurable EEPROM that contains the MAC address
LAN Subsystem Software
For LAN software and drivers, refer to the D845PEMY link on Intel’s World Wide Web site at:
http://support.intel.com/support/motherboards/desktop/
RJ-45 LAN Connector LEDs
Two LEDs are built into the RJ-45 LAN connector. Table 5 describes the LED states when the
desktop board is powered up and the LAN subsystem is operating.
Table 5. RJ-45 LAN Connector LEDs
LED Color LED State Indicates
Off 10 Mbit/sec data rate is selected. Green
On 100 Mbit/sec data rate is selected.
Off LAN link is not established.
On (steady state) LAN link is established.
Yellow
On (brighter and pulsing) The computer is communicating with another computer on
the LAN.
Enhanced IDE Interface
The ICH4’s IDE interface handles the exchange of information between the processor and
peripheral devices like hard disks, CD-ROM drives, and Iomega Zip* drives inside the computer.
The interface supports:
• Up to four IDE devices (such as hard drives)
• ATAPI devices (such as CD-ROM drives)
• Older PIO Mode devices
• Ultra DMA-33 and ATA-66/100 protocols
• Laser Servo (LS-120) drives
Expansion Slots
Desktop Board D845PEMY has three PCI bus add-in card connectors.