Technical Product Specification

Intel® Server System R1304BTSSFAN/ R1304BTLSFAN/ R1304BTLSHBN TPS Front Control Panel
LED
Color
State
Description
System Status
(on standby power)
N/A
N/A
N/A
Disk Activity
Green
Random blink
HDD access
Off
Off
No hard disk activity
7.1
Power/Sleep LED
Table 28. 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.
S4
ACPI
Off
Mechanical is off, and the operating system has saved context to
the hard disk.
S3-S1
ACPI
Slow blink 1
DC power is still on. The operating system has saved context
and gone into a level of low-power state.
S0
ACPI
Steady on
System and the operating system are up and running.
Note: The blink rate is ~ 1 Hz at 50% duty cycle.
7.2
System Status LED
The system status LED is available on the Intel
®
Server Systems R1304BTLSFAN and
R1304BTLSHBN.
7.3
Drive Activity LED
The drive activity LED on the front panel indicates drive activity from the on-board hard disk
controllers.
Revision 2.4
29