Item
Indicator, button, or
connector
Icon
Description
10
Power button
The power button controls the PSU output to the
system.
NOTE: On ACPI-compliant OSs, turning off
the system using the power button causes the
system to perform a graceful shutdown
before power to the system is turned off.
11
Boot hard drive A
2.5–inch boot hard drive
12
Boot hard drive B
2.5–inch boot hard drive
13
Power supply units
Four redundant power supply units (PSUs).
From left to right: PSUs 1 and 2 are for sled B
(upper sled); PSUs 3 and 4 are for sled A (lower
sled).
14
PSU Handle
Holds expander board bracket in the chassis
Hard drive indicator codes
Figure 3. 2.5-inch hard drive indicator
1.
hard drive activity indicator
2.
hard drive status indicator
3.
hard drive
NOTE: If the hard drive is in Advanced Host Controller Interface (AHCI) mode, the status indicator
(on the right side) does not function and remains off.
NOTE: The function of the status indicator may vary depending on the hard drive type.
11