Intel D848PMB Technical Product Specification - Page 32

Gigabit LAN Subsystem Optional - driver ethernet

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Intel Desktop Board D848PMB Technical Product Specification Table 6 describes the LED states when the board is powered up and the 10/100 Mbits/sec LAN subsystem is operating. Table 6. LAN Connector LED States LED Color Green Yellow LED State Off On Blinking Off On Condition LAN link is not established. LAN link is established. LAN activity is occurring. 10 Mbits/sec data rate is selected. 100 Mbits/sec data rate is selected. 1.10.2 Gigabit LAN Subsystem (Optional) The Gigabit (10/100/1000 Mbits/sec) LAN subsystem includes the GMCH (with its CSA interface), the Intel 82547EI PLC, and an RJ-45 LAN connector with integrated status LEDs. 1.10.2.1 Intel® 82547EI Platform LAN Connect Device Intel 82547EI provides the following functions: • Basic 10/100/1000 Ethernet LAN connectivity • Communication Streaming Architecture (CSA) port provides higher throughput and lower latencies than the Intel 82562EZ device, resulting in up to 30% higher bus throughput (up to wirespeed) • Full device driver compatibility • Programmable transit threshold • Configuration EEPROM that contains the MAC address 1.10.2.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 7). Table 7 describes the LED states when the board is powered up and the Gigabit LAN subsystem is operating. Green LED Green/Yellow LED OM16513 Figure 7. LAN Connector LED Locations 32

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Intel Desktop Board D848PMB Technical Product Specification
32
Table 6 describes the LED states when the board is powered up and the 10/100 Mbits/sec LAN
subsystem is operating.
Table 6.
LAN Connector LED States
LED Color
LED State
Condition
Off
LAN link is not established.
On
LAN link is established.
Green
Blinking
LAN activity is occurring.
Off
10 Mbits/sec data rate is selected.
Yellow
On
100 Mbits/sec data rate is selected.
1.10.2
Gigabit LAN Subsystem (Optional)
The Gigabit (10/100/1000 Mbits/sec) LAN subsystem includes the GMCH (with its CSA
interface), the Intel 82547EI PLC, and an RJ-45 LAN connector with integrated status LEDs.
1.10.2.1
Intel
®
82547EI Platform LAN Connect Device
Intel 82547EI provides the following functions:
•
Basic 10/100/1000 Ethernet LAN connectivity
•
Communication Streaming Architecture (CSA) port provides higher throughput and lower
latencies than the Intel 82562EZ device, resulting in up to 30% higher bus throughput (up to
wirespeed)
•
Full device driver compatibility
•
Programmable transit threshold
•
Configuration EEPROM that contains the MAC address
1.10.2.2
RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 7).
Table 7 describes the
LED states when the board is powered up and the Gigabit LAN subsystem is operating.
Green LED
Green/Yellow LED
OM16513
Figure 7.
LAN Connector LED Locations