Datasheet

Intel® Server System SR1640TH TPS Front Panel Control and Indicators

Revision 1.0

Intel order number: E94847-001

Table 71. Front LED Indicator Functions

6.2.1 Power / Sleep LED

Table 72. SSI Power LED Operation

Note: Blink rate is approximately 1Hz at 50% duty cycle.

6.2.2 System Status LED

Table 73. System Status LED Operation

Color State Criticality Description

Off N/A Not ready AC power off or BMC initialization completes if no degraded, non-

critical, critical, or non-recoverable conditions exist after AC plug in

Amber Solid On Not ready Pre DC Power On – 15-20 second BMC Initialization when AC is

applied to the server. The system will not POST until BMC

initialization completes.

Green Solid on Ok System ready

Green Blink Degraded BIOS detected

1. Unable to use all of the installed memory (more than one DIMM

installed).

2. In a mirrored configuration, when memory mirroring takes place

and system loses memory redundancy. This is not covered by

(2).

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 Solid 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.

S1 Sleep ACPI Blink DC power is still on. The operating system has saved context and

gone into a level of low-power state.

S0 ACPI Solid On System and the operating system are up and running.