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SR2300 2U Server Chassis Technical Product Specification
Revision 1.2
Intel Order Number A94546-004
33
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Table 15. Front Panel LED Functions
LED Color
State
Description
On
Legacy power on / ACPI S0 state
Green
Blink
1,4
Sleep / ACPI S1 state
Power / Sleep
(on standby power)
Off
Off
Power Off / ACPI S4 or S5 state
NIC1 / NIC2 Activity
Green
On
NIC Link
Green
Blink
NIC
Activity
On
Running / normal operation
Green
Blink
1,2
Degraded
On
Critical or non-recoverable condition.
Amber
Blink
1,2
Non-critical condition.
System Status
(on standby power)
Off
Off
POST / system stop.
Disk Activity
Green
Random
blink
Provides an indicator for disk activity.
Off
Off
3
No hard disk activity
Blue
On
Identify active via command or button.
System Identification
Off Off No
Identification.
Notes:
1. Blink rate is ~1 Hz with at 50% duty cycle.
2. The amber status takes precedence over the green status. When the amber LED is on or blinking, the green
LED is off.
3. Also off when the system is powered off (S4/S5) or in a sleep state (S1).
4. The power LED sleep indication is maintained on standby by the chipset. If the system is powered down
without going through BIOS, the LED state in effect at the time of power off will be restored when the system
is powered on until the BIOS clears it. If the system is not powered down normally, it is possible that the
Power LED will be blinking at the same time that the system status LED is off due to a failure or
configuration change that prevents the BIOS from running.
The current limiting resistors for the power LED, the system fault LED, and the NIC LEDs are
located on the server boards SE7500WV2 and SE7501WV2.
5.3.1
Power / Sleep LED
The BIOS controls the front panel power LED as described in Table 16.
Table 16. SSI Power LED Operation
State Power
Mode LED
Description
Power Off
Non-ACPI
Off
System power is off, and the BIOS has not initialized the chipset.
Power On
Non-ACPI
On
System power is on, but the BIOS has not yet initialized the chipset.
S5
ACPI
Off
Mechanical is off, and the operating system has not saved any context
to the hard disk.
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