Intel D845PEMY Product Specification - Page 23

LAN Subsystem - + lan driver

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Product Description 1.10 LAN Subsystem The Network Interface Controller subsystem consists of the ICH4 (with integrated LAN Media Access Controller) and a physical layer interface device. Features of the LAN subsystem include: • PCI Bus Master interface • CSMA/CD Protocol Engine • Serial CSMA/CD unit interface that supports the 82562ET (10/100 Mbit/sec Ethernet) • PCI Power Management ⎯ Supports ACPI technology ⎯ Supports LAN wake capabilities 1.10.1 Intel® 82562ET Platform LAN Connect Device The Intel 82562ET component provides an interface to the back panel RJ-45 connector with integrated LEDs. The Intel 82562ET provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Supports RJ-45 connector with status indicator LEDs on the back panel • Full device driver compatibility • ACPI support • Programmable transit threshold • Configuration EEPROM that contains the MAC address 1.10.2 RJ-45 LAN Connector with Integrated 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. LAN Connector LED States LED Color Green Yellow LED State Off On Off On (steady state) On (brighter and pulsing) Condition 10 Mbit/sec data rate is selected. 100 Mbit/sec data rate is selected. LAN link is not established. LAN link is established. The computer is communicating with another computer on the LAN. 1.10.3 LAN Subsystem Software LAN software and drivers are available from Intel's World Wide Web site. For information about Obtaining LAN software and drivers Refer to Section 1.3, page 14 23

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Product Description
23
1.10 LAN Subsystem
The Network Interface Controller subsystem consists of the ICH4 (with integrated LAN Media
Access Controller) and a physical layer interface device.
Features of the LAN subsystem include:
•
PCI Bus Master interface
•
CSMA/CD Protocol Engine
•
Serial CSMA/CD unit interface that supports the 82562ET (10/100 Mbit/sec Ethernet)
•
PCI Power Management
⎯
Supports ACPI technology
⎯
Supports LAN wake capabilities
1.10.1
Intel
®
82562ET Platform LAN Connect Device
The Intel 82562ET component provides an interface to the back panel RJ-45 connector with
integrated LEDs.
The Intel 82562ET provides the following functions:
•
Basic 10/100 Ethernet LAN connectivity
•
Supports RJ-45 connector with status indicator LEDs on the back panel
•
Full device driver compatibility
•
ACPI support
•
Programmable transit threshold
•
Configuration EEPROM that contains the MAC address
1.10.2
RJ-45 LAN Connector with Integrated 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.
LAN Connector LED States
LED Color
LED State
Condition
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.
1.10.3
LAN Subsystem Software
LAN software and drivers are available from Intel’s World Wide Web site.
For information about
Refer to
Obtaining LAN software and drivers
Section 1.3, page 14