11
Chapter 1: Introduction
Control Panel Features
Feature
Description
UID button/LED
BMC button
The unit identification (UID) button turns on or off the blue light function of the Information
LED and a blue LED on the rear of the chassis.
This button can also be used to
and will disable the rear VGA port to enable
the front VGA port, if available.
Information LED Alerts operator to several states, as noted in the table below.
NIC LEDs
Indicates network activity on LANs when flashing; defaults to the first two ports of the CPU1
AIOM
HDD
Indicates activity on the storage drives when flashing.
Power LED
Steady on – Power on
Blinking at 4Hz – Checking BIOS/BMC integrity
Blinking at 4Hz and "i" LED is blue – BIOS firmware updating
Two blinks at 4Hz, one pause 2hz and "i" LED blue – BMC firmware updating
Blinking at 1Hz and "i" LED red – Fault detected
Power button
The main power switch applies or removes primary power from the power supply to the server
but maintains standby power.
Information LED
Color, Status
Description
Red, solid
An overheat condition has occurred.
Red, blinking at 1Hz
Fan failure, check for an inoperative fan.
Red, blinking at 0.25Hz
Power failure, check for a non-operational power
supply.
Red, solid, with Power LED blinking
green
Fault detected
Blue and red, blinking at 10 Hz
Recovery mode
Blue, solid
UID has been activated locally to locate the
server in a rack environment.
Control Panel
Figure 1-2. Control Panel
Power
Power LED
Information LED
UID Button/LED
BMC Reset
HDD
NIC LED
