Intel DH55HC Product Guide

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Contents
1 Desktop Board Features
Supported Operating Systems..............................................................................11
Desktop Board Components.................................................................................12
Processor..........................................................................................................14
Intel
®
H55 Express Chipset .................................................................................14
Main Memory.....................................................................................................15
Graphics Subsystem...........................................................................................15
Integrated Graphics ....................................................................................15
Analog Display (VGA)...........................................................................15
High-Definition Multimedia Interface* (HDMI*)........................................16
Digital Visual Interface (DVI-D) .............................................................16
PCI Express* x16 Graphics ..........................................................................16
Audio Subsystem ...............................................................................................17
LAN Subsystem .................................................................................................17
USB 2.0 Support................................................................................................18
Serial ATA Support.............................................................................................18
Expandability.....................................................................................................19
Legacy I/O........................................................................................................19
BIOS................................................................................................................19
Serial ATA Auto Configuration.......................................................................19
PCI*/PCI Express Auto Configuration.............................................................19
Security Passwords.....................................................................................20
Hardware Management .......................................................................................20
Hardware Monitoring and Fan Speed Control ..................................................20
Fan Monitoring ...........................................................................................20
Chassis Intrusion........................................................................................21
Power Management............................................................................................21
Software Support .......................................................................................21
ACPI..................................................................................................21
Hardware Support ......................................................................................21
Power Connectors ...............................................................................21
Fan Headers .......................................................................................22
LAN Wake Capabilities..........................................................................22
Instantly Available PC Technology..........................................................22
+5 V Standby Power Indicator LED ........................................................23
Wake from USB ..................................................................................24
PCI PME# Signal Wake-up Support ........................................................24
PCI Express WAKE# Signal Wake-up Support..........................................24
Wake from PS/2 Devices ......................................................................24
Wake from Serial Port..........................................................................24
ENERGY STAR*, e-Standby, and ErP Compliance.............................................24
Speaker............................................................................................................25
Real-Time Clock Subsystem.................................................................................25

Intel DH55HC Specifications

General

Form Factor	MicroATX
Socket	LGA 1156
Memory Type	DDR3
Memory Slots	4
Max Memory	16 GB
PCI Express x16	1
PCIe 2.0 x1 Slots	2
PCI Slots	1
VGA	1
DVI-D	1
HDMI	1
Audio Codec	Realtek ALC888S
Chipset	Intel H55 Express
Memory Standard	DDR3 1333/1066
SATA Ports	6
USB Ports	12 x USB 2.0
Audio	Realtek ALC888S
LAN	Intel 82578DC Gigabit Ethernet Controller