Desktop Board Features
13
Audio Subsystem
The audio subsystem features the following:
•
Intel 845GL chipset (AC ’97)
•
Sigmatel* STAC9750 audio codec
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NOTE
The line out connector, located on the back panel, is designed to power either headphones or
amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are
connected to this output.
Audio drivers and utilities are available from Intel’s World Wide Web site:
http://support.intel.com/support/motherboards/desktop/
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
•
Supports 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 D845GLVA 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
desktop board is powered up and the LAN subsystem is operating.
Table 3.
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.
