Intel Desktop Board DH55PJ Product Guide
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Table 3. 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 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.
Serial ATA Support
The board provides four internal SATA connectors through the PCH.
Expandability
Intel Desktop Board DH55PJ provides the following expansion capability:
•
One PCI Express 2.0 x16 port
•
Two PCI Express 2.0 x1 ports
•
One PCI bus interface
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