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12 Intel
®
Server System SR1550AL/SR1550ALSAS User’s Guide
The NIC LEDs at the right and left of each NIC provide the following information.
RAID Support
The Intel
®
Server System SR1550AL provides an embedded SATA controller that
supports both 1.5 and 3.0 Gbps data transfer rates. The Intel
®
Server System
SR1550ALSAS provides SAS and SATA support. Both systems can be configured for
RAID 0, 1, and 10.
The Intel
®
Server System SR1550AL can be configured for SW RAID 5 by using the
Intel
®
RAID Activation Key AXXRAKSW5 accessory.
For information on configuring RAID, see the RAID software user’s guide that is
included on the Intel
®
Server Deployment Toolkit 2.0 CD.
Table 3. NIC LED Descriptions
LED LED State Description
Left Off No network connection
Solid Amber Network connection in place
Blinking Amber Transmit/receive activity
Right Off 10 Mbps connection (if left LED is on or blinking)
Solid Amber 100 Mbps connection
Solid Green 1000 Mbps connection