Guidelines for Connecting Optional
External Devices
•Turn off power to the system and external devices before attaching a new external device. Turn on any external devices before turning on the system (unless the documentation for the device specifies otherwise).
•Ensure that the appropriate driver for the attached device has been installed on the system.
•If necessary to enable ports on your system, use the System Setup program. See "Using the System Setup Program and UEFI Boot Manager" on page 57.
NIC Indicator Codes
Figure 1-6. NIC Indicators
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1 link indicator | 2 activity indicator |
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Indicator | Indicator Code |
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Link and activity | The NIC is not connected to the network. |
indicators are off |
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Link indicator is green | The NIC is connected to a valid network link |
| at 1000 Mbps. |
Link indicator is amber | The NIC is connected to a valid network link |
| at 10/100 Mbps. |
Activity indicator is green | Network data is being sent or received. |
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About Your System
23
