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Table 7. Hard disk drive LEDs for the add-on SAS RAID adapter conguration (some models)
Description
Green LED 1
(bottom) Amber LED 2 (top)
Hard disk drive is not present.
Off Off
Hard disk drive is present but is not active.
On Off
Hard disk drive is present and active. Blinking
Off
Server is in the process of locating the hard disk drive.
Blinking Blinking
RAID has failed.
Off On
Hard disk drive is rebuilding. Blinking Blinking
The Ethernet 1 and Ethernet 2 connectors have two status LEDs that indicate the LAN connection and
activity of the connection.
Table 8. Ethernet LEDs
LED State Color Description
On Green 10/100/1000 Mb linked
Blinking
Green 10/100/1000 Mb activity
RJ-45 linkage/activity (left)
Off Off
No LAN connection.
On
Amber 1000 Mb linked and active
On Green
100 Mb linked and active
RJ-45 speed (right)
Off Off
10 Mb mode or no LAN connection.
12 ThinkServer Installation and User Guide