Intel DH55TC User Manual

Intel® Desktop Board
DH55TC
Technical Product Specification
January 2010
Order Number: E81940-001US
The Intel
®
Desktop Board DH55TC may contain design defects or errors known as errata that may cause the product to deviate from published
specifications. Current characterized errata are documented in the Intel Desktop Board DH55TC Specification Update.

Intel DH55TC Specifications

Add-in Card Connectors

PCI Express 2.0 x16 transfer speed	8 GB/s
PCI Express 2.0 x1 transfer speed	250 MB/s
Conventional PCI connectors count	1

Front Panel USB Headers

USB 2.0 specification compliance	Yes
+5 V DC power on USB headers	Fused
USB Header 2 Pin 10 routing	HDD LED

Summary

Product Description

Processor

Details supported Intel processors, socket type, and TDP requirements.

System Memory

Explains memory configurations, types, and maximum supported capacity.

Power Management

Details ACPI support, system power states, and wake-up capabilities.

Technical Reference

Signal Tables for Connectors and Headers

Pinout and signal names for serial, parallel, audio, USB, SATA, and fan connectors.

Electrical Considerations

Overview of BIOS Features

BIOS Updates

Boot Options

BIOS Security Features

Setup for supervisor and user passwords to control BIOS access and boot security.

Error Messages and Beep Codes

BIOS Beep Codes

Patterns and frequencies of beep codes indicating POST errors.

Front-panel Power LED Blink Codes

BIOS Error Messages

Port 80h POST Codes

Diagnostic progress codes generated during POST for detailed error analysis.

Regulatory Compliance and Battery Disposal Information