Product guide
QSSC-S4R Server System Product Guide Chapter 1: System Description
Version 1.0
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Figure 25. Operator Panel
Item Feature Description
A System ID LED (blue) Blue ID that identifies the system through server management or locally
B Hard drive status LED
(green)
Indicates hard drive activity and fault status
Color LED Behavior Description
Green Blinking HDD access or spin up/down
Off No access and no fault
C System status/fault
LED (green/amber)
Indicates system status
Color/LED Behavior State Description
Off Not ready AC power off, POST error
Green – On Ready System booted and ready
Green – Blinking Non-critical
Alarm
Redundant PSU or fan failure; Non-
critical fan, voltage, and temp. failure.
Amber – On Fatal alarm Non-recoverable temp or voltage
threshold; Thermtrip asserted; CPU
missing; power control fail; fan or
power supply redundancy fail with
insufficient cooling or system power.
Amber – Blinking Non-fatal
Alarm
CATERR asserted; critical
temperature, voltage, or fan
threshold; VRD hot asserted; SMI
Timeout asserted.
D Fan fault LED (amber) Amber – Fan fault (on)
E System power LED
(green)
Indicates system power status
Color/LED Behavior State ACPI
Off Power Off No
Green – On Power On No
Off S5 Yes
Green – Blinking S1 Yes
Green – On S0 Yes
F System reset button Resets the system
G NMI button Asserts NMI
H System power button Toggles system power
I System ID button Toggles ID LED