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System-board switches and jumpers
The following illustration identifies the switches and jumpers on the system board.
System fan 1
(SYSFAN1)
Notes:
1. The Automatic Server Restart (ASR) jumper (JP3) causes the server to restart
2. Jumper JP1 is not used.
System-board LEDs
The following illustration shows the location of the LEDs on the system board.
System fan 3
(HFAN3)
System fan 2
(SYSFAN2)
automatically if it stops (for example, if the operating system stops running). The
default position of the jumper (ASR enabled) is pins 2 and 3.
Boot block
recovery jumper
ASR
(JP4)
(JP3)
Power (LED6)
System error (LED5)
Chapter 4. Customer replaceable units
CMOS
(JP2)
System fan 4
(HFAN4)
33
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