Intel Desktop Board DH55HC Product Guide
Figure 2. LAN Connector LEDs
Table 3. LAN Connector LEDs
LED | LED Color | LED State | Indicates |
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A (Link/Activity) | Green | Off | LAN link is not established |
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| On | LAN link is established |
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| Blinking | LAN activity is occurring |
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B (Link Speed) | N/A | Off | 10 Mb/s data rate |
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| Green | On | 100 Mb/s data rate |
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| Yellow | On | 1000 Mb/s data rate |
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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
The port arrangement is as follows:
•Six ports via stacked back panel connectors
•Six front panel ports via three
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 six internal SATA connectors through the PCH, four for internal storage (black connectors) and two for internal as well as external SATA (eSATA) storage (red connectors).
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