Power Button LED status on PRECISION T3600/T5600/T7600 systems
Resumen: Explanation for each of the power LED indicators on your Precision T3600, T5600 or T7600 system
Síntomas
Table of Contents :
- Power Button status to determine Status of the system
- Power Button & Diagnostics LED’s Status of the system
Article Summary: Power Button LED status on PRECISION T3600/T5600/T7600 systems.
1. Power Button status to determine Status of the system
| Power LED | Power State | Description |
|---|---|---|
|
|
S4 or S5 |
System is in the off state, hibernate or suspend to Disk. |
|
|
-- |
Boot Failure : |
|
|
-- |
Boot Failure : |
|
|
S1 or S3 |
System is in power saving state - Sleep or Stand By mode. |
|
|
S0 |
Normal Operation, system is fully functional. |
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2. Power Button & Diagnostics LED’s Status of the system
| LED Pattern (1234) | LED Description | Power LED | State Assignment | State Description |
|---|---|---|---|---|
|
|
1- Off |
|
System Unplugged |
System is not plugged into AC, PSU is not plugged into system board, or control panel not connected to system board. |
|
|
1- Off |
|
ACPI S0; Normal Operation |
System is on with no failures detected. This is actually a BIOS controlled state and is also S0e. |
|
|
1- Off |
|
ACPI S1 |
Windows Standby State. |
|
|
1- Off |
|
ACPI S4 or S5 |
Hibernate or Soft off. System plugged in, but either turned off or in Windows Hibernation State. |
|
|
1- Off |
- |
Reserved |
Reserved |
|
|
1- Off |
|
ACPI S3 |
Suspend to RAM Windows Standby State. |
|
|
1- Off |
- |
Reserved |
Reserved |
|
|
1- Off |
- |
Reserved |
Reserved |
|
|
1- Off |
- |
Reserved |
Reserved |
|
|
1- Off |
|
ACPI S0, hand off to BIOS control |
System on. BIOS not execution. This is the transition state to POST states. |
|
|
1- Green |
- |
Reserved |
Reserved |
|
|
1- Blink |
|
Non-System board Regulator Failure |
A power failure has been detected on a plug-in component such as VRM, Video Riser, or Memory Riser. |
|
|
1- Blink |
|
PSU Failure |
PSU may be bad or PSU cable may be crimped creating a short on a main power rail. (PS_ON asserted, PS_PWRGOOD not asserted) |
|
|
1- Blink |
|
PSU Cable Failure |
All PSU cables may not be properly connected to system board. (PS_ON asserted, missing a main power rail) |
|
|
1- Blink |
|
System board Regulator Failure |
A power failure has been detected in one of the onboard system board regulators. This could be caused by a failed system board component or by a plug-in device creating a short on a regulated power rail. (PS_ON asserted, PS_PWRGOOD asserted, SYS_PWRGOOD de-asserted) |
|
|
1- Blink |
Mismatch |
Hardware detected a population incompatibility with a critical system component such as CPU, VRM, PSU, or MEMORY RISER. |
|
| 1- Green |
- |
Reserved |
Reserved |
|
| 1- Green |
- |
Reserved |
Reserved |
