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LAN Subsystem (Optional)
The optional Intel 82562ET (in conjunction with the Intel 82801BA ICH2) provides a Fast
Ethernet PCI LAN subsystem providing both 10Base-T and 100Base-TX connectivity.
Features include:
•
32-bit, 33-MHz direct bus mastering on the PCI bus
•
Shared memory structure in the host memory that copies data directly to/from host memory
•
A single RJ-45 connector with connection and activity status LEDs
•
Jumperless configuration; the LAN subsystem is completely software configurable
LAN Subsystem Software
For Intel 82562ET Fast Ethernet PCI LAN software and drivers, refer to the D850MD and
D850MV 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 3 describes the LED states when the
board is powered up and the LAN subsystem is operating.
Table 3.
RJ-45 LAN Connector LEDs
LED Color
LED State
Green
Off
On
Yellow
Off
On (steady state)
On (brighter and pulsing)
Speaker
A 47 Ω inductive speaker is mounted on the desktop board. The speaker provides audible error
code (beep code) information during the Power-On Self-Test (POST).
Battery
A battery on the board keeps the values in CMOS RAM and the clock current when the computer
is turned off.
See Chapter 2 on page 21 for instructions on how to replace the battery.
Indicates
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.
Desktop Board Features
17
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