Intel DH57JG Product Guide - Page 19

LAN Subsystem, USB 2.0 Support, LAN Connector LEDs, Table 6. LAN Connector LEDs - driver

Page 19 highlights

Desktop Board Features LAN Subsystem The LAN subsystem includes: • Intel 82578DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller • RJ-45 LAN connector with integrated status LEDs LAN software and drivers are available at http://downloadcenter.intel.com/. Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN as shown in Table 6. Figure 2. LAN Connector LEDs Table 6. LAN Connector LEDs LED A (Link/Activity) B (Link Speed) LED Color Green N/A Green Yellow LED State Off On Blinking Off On On Indicates LAN link is not established LAN link is established LAN activity is occurring 10 Mb/s data rate 100 Mb/s data rate 1000 Mb/s data rate USB 2.0 Support The board supports up to twelve USB 2.0 ports provided by two EHCI host controllers in the Intel H57 PCH that allow the use of EHCI-compatible drivers. The port arrangement is as follows: • Six ports via stacked back panel connectors • Six front panel ports via three dual-port internal headers USB 2.0 support requires both an operating system and drivers that fully support USB 2.0 transfer rates. 19

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Desktop Board Features
19
LAN Subsystem
The LAN subsystem includes:
Intel 82578DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
RJ-45 LAN connector with integrated status LEDs
LAN software and drivers are available at
.
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 2).
These LEDs indicate the status of the LAN as shown in Table 6.
Figure 2.
LAN Connector LEDs
Table 6. LAN Connector LEDs
LED
LED Color
LED State
Indicates
A (Link/Activity)
Off
LAN link is not established
Green
On
LAN link is established
Blinking
LAN activity is occurring
N/A
Off
10 Mb/s data rate
Green
On
100 Mb/s data rate
B (Link Speed)
Yellow
On
1000 Mb/s data rate
USB 2.0 Support
The board supports up to twelve USB 2.0 ports provided by two EHCI host controllers
in the Intel H57 PCH that allow the use of EHCI-compatible drivers.
The port arrangement is as follows:
Six ports via stacked back panel connectors
Six front panel ports via three dual-port internal headers
USB 2.0 support requires both an operating system and drivers that fully support
USB 2.0 transfer rates.