IBM 8668 Hardware Maintenance Manual - Page 16

Serial number, Hard disk drive activity light

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Rack model Power-control button shield (if installed) Power-control button Reset button Operator information panel Cover-release latch Hard disk drive status light (amber) Hard disk drive activity light (green) Serial number Power-control button shield: You can install this circular disk over the power-control button to prevent accidental manual power-off. This disk is provided with your server. Power-control button: Press this button to manually shut down and turn off the server. Reset button: Press this button to reset the server and run the power-on self-test (POST). You might need to use a pen or the end of a straightened paper clip to press the button. Operator information panel: The lights on this panel give status information for your server. See "Operator information panel" on page 11. Cover release latch: Slide this lever to release the cover. Serial number: This number uniquely identifies your server. Hard disk drive status light: Each of the hot-swap drives has a hard disk drive status light. When this amber light is on continuously, the drive has failed. If a ServeRAID adapter is installed and this amber light flashes slowly (one flash per second), the drive is being rebuilt. When the light flashes rapidly (three flashes per second), the controller is identifying the drive. Hard disk drive activity light: Each of the hot-swap drives has a hard disk drive light. When this green light is flashing, the controller is accessing the drive. 8 Hardware Maintenance Manual: xSeries 232, Type 8668

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Rack model
Hard disk
drive activity
light (green)
Hard disk
drive status
light (amber)
Reset button
Power-control
button
Cover-release
latch
Operator
information
panel
Power-control
button shield
(if installed)
Serial
number
Power-control button shield:
You can install this circular disk over the
power-control button to prevent accidental manual power-off. This disk is
provided with your server.
Power-control button:
Press this button to manually shut down and turn off the
server.
Reset button:
Press this button to reset the server and run the power-on self-test
(POST). You might need to use a pen or the end of a straightened paper clip to
press the button.
Operator information panel:
The lights on this panel give status information for
your server. See “Operator information panel” on page 11.
Cover release latch:
Slide this lever to release the cover.
Serial number:
This number uniquely identifies your server.
Hard disk drive status light:
Each of the hot-swap drives has a hard disk drive
status light. When this amber light is on continuously, the drive has failed.
If a ServeRAID adapter is installed and this amber light flashes slowly (one flash
per second), the drive is being rebuilt. When the light flashes rapidly (three flashes
per second), the controller is identifying the drive.
Hard disk drive activity light:
Each of the hot-swap drives has a hard disk drive
light. When this green light is flashing, the controller is accessing the drive.
8
Hardware Maintenance Manual: xSeries 232, Type 8668