1- Off

 

 

 

Pb2

 

2- Off

-

Reserved

Reserved

 

3- Solid

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

Pb3

 

2- Off

 

ACPI S3

Suspend to RAM Windows Standby State.

 

3- Solid

 

 

 

 

 

 

 

 

4- Solid

 

 

 

 

 

1- Off

 

 

 

Pb4

 

2- Green

-

Reserved

Reserved

 

3- Off

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

Pb5

 

2- Green

-

Reserved

Reserved

 

3- Off

 

 

 

 

 

 

 

4- Green

 

 

 

 

 

1- Off

 

 

 

Pb6

 

2- Green

-

Reserved

Reserved

 

3- Green

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

Pb7

 

2- Blink

 

ACPI S0, hand off

System on. BIOS not execution. This is the transition state to POST states.

 

3- Blink

 

to BIOS control

 

 

 

 

 

 

4- Blink

 

 

 

 

 

1- Green

 

 

 

Pb8

 

2- Off

-

Reserved

Reserved

 

3- Off

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Blink

 

Non-System

 

 

 

2- Off

 

A power failure has been detected on a plug-in component such as VRM, Video Riser,

Pb9

 

 

board Regulator

 

3- Off

 

or Memory Riser.

 

 

 

Failure

 

 

4- Blink

 

 

 

 

 

 

 

 

 

1- Blink

 

 

 

Pb10

 

2- Off

 

PSU Failure

PSU may be bad or PSU cable may be crimped creating a short on a main power rail.

 

3- Blink

 

(PS_ON asserted, PS_PWRGOOD not asserted)

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Blink

 

 

 

Pb11

 

2- Off

 

PSU Cable Failure

All PSU cables may not be properly connected to system board. (PS_ON asserted,

 

3- Blink

 

missing a main power rail)

 

 

 

 

 

 

4- Blink

 

 

 

 

 

1- Blink

 

 

A power failure has been detected in one of the onboard system board regulators.

Pb12

 

2- Blink

 

System board

This could be caused by a failed system board component or by a plug-in device

 

3- Off

 

Regulator Failure

creating a short on a regulated power rail. (PS_ON asserted, PS_PWRGOOD

 

 

 

 

 

4- Off

 

 

asserted, SYS_PWRGOOD de-asserted)

 

 

1- Blink

 

 

 

Pb13

 

2- Blink

 

Mismatch

Hardware detected a population incompatibility with a critical system component

 

3- Off

 

such as CPU, VRM, PSU, or MEMORY RISER.

 

 

 

 

 

 

4- Blink

 

 

 

 

 

1- Green

 

 

 

Pb14

 

2- Green

-

Reserved

Reserved

 

3- Green

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Green

 

 

 

Pb15

 

2- Green

-

Reserved

Reserved

 

3- Green

 

 

 

 

 

 

 

4- Green

 

 

 

POST Diagnostic Light Patterns

All POST codes except S0 are accompanied by a Solid Green Power light state. If the power light is not green, see Pre-POST Diagnostic Light Patterns.

State

Light Pattern

Light

State

State Assignment

State Description

( 1 2 3 4 )

Description

Name

 

 

 

 

 

1- Off

 

 

 

S0a

 

2- Off

OFF

OFF

Power light Off. No power is supplied to the system.

 

3- Off

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

S0e

 

2- Off

ON

Normal Operation,

Power light Solid Green. System has successfully booted and is operating

 

3- Off

ACPI S0

normally.

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

S1

 

2- Off

RCM

System is in

BIOS checksum failure was detected and the system is now in recovery mode.

 

3- Off

Recovery Mode

 

 

 

 

 

 

4- Solid

 

 

 

 

 

1- Off

 

 

 

S2

 

2- Off

CPU

CPU

CPU configuration activity is in progress or a CPU failure was detected.

 

3- Solid

 

 

 

 

 

 

 

4- Off

 

 

 

 

 

1- Off

 

 

 

S3

 

2- Off

MEM

Memory

Memory subsystem configuration activity is in progress. Appropriate memory

 

3- Solid

modules were detected but a memory failure has occurred.

 

 

 

 

 

 

4- Solid

 

 

 

 

 

1- Off

 

 

 

S4

 

2- Solid

PCI

PCI device

PCI device configuration activity is in progress or PCI device failure was detected.

 

3- Off

 

 

 

 

 

 

 

4- Off

 

 

 

Page 11
Image 11
Dell T5500 specifications Post Diagnostic Light Patterns, State Light Pattern State Assignment State Description Name

T5500 specifications

The Dell T5500, part of the Precision series, is a workstation designed for professionals in creative and technical fields who require robust performance while managing complex tasks. Launched as a successor to its predecessor models, the T5500 is characterized by a blend of powerful computing capabilities, expandability, and reliability, making it a suitable choice for applications such as 3D modeling, graphic design, and scientific simulations.

One of the most notable features of the Dell T5500 is its support for dual Intel Xeon processors. This configuration allows for a significant increase in processing power, ideal for resource-intensive applications. Users can configure their machines with up to 12 processing cores, enhancing parallel processing and multitasking capabilities. Additionally, the T5500 offers a substantial memory capacity, supporting up to 96GB of DDR3 RAM, which provides ample headroom for handling large datasets and running multiple applications simultaneously.

Storage options in the T5500 are versatile, accommodating a range of hard drives from traditional HDDs to high-performance SSDs. This flexibility allows professionals to select their desired balance between speed and storage capacity. Furthermore, the tower's design includes multiple drive bays, facilitating easy upgrades or additional storage solutions.

The Dell T5500's graphics capabilities are equally impressive, supporting a variety of professional-grade graphics cards, including NVIDIA Quadro and AMD FirePro models. These cards deliver exceptional visualization performance suited for tasks such as CAD, digital content creation, and video editing. The workstation also includes multiple expansion slots, enabling users to add extra GPUs to elevate graphical rendering capabilities.

Connectivity is another key characteristic of the T5500. It features USB 3.0 ports, offering faster data transfer rates, along with legacy ports for compatibility with older peripherals. Networking options include integrated gigabit Ethernet, ensuring reliable connectivity for collaborative workflows and remote data access.

Designed with reliability in mind, the Dell T5500 includes features such as advanced thermal management to keep components cool during intense workloads, and a tool-less chassis design that simplifies upgrades and maintenance tasks. Furthermore, it adheres to strict energy efficiency standards, making it an environmentally friendly choice for professionals who demand performance without compromising on sustainability.

In summary, the Dell T5500 workstation is a powerful and flexible choice tailored for demanding applications across various industries. Its combination of dual Xeon processors, extensive memory capacity, versatile storage options, high-end graphics support, and robust connectivity make it an invaluable tool for professionals looking to enhance their productivity and streamline their workflows.