Intel DH55HC Peripheral, Interfaces, LAN Support, Instantly Available, PC Technology, Hardware

Intel Desktop Board DH55HC Product Guide

Table 1. Feature Summary (continued)

Peripheral	•	Twelve USB 2.0 ports:
Interfaces		― Six ports are implemented with stacked back panel connectors
		― Six ports are implemented with three dual-port internal
		headers; one header supports an Intel Z-U130 USB Solid-State
		Drive (or compatible device)
	•	Six Serial ATA (SATA) 3.0 Gb/s ports, two ports compatible with
		eSATA adapters
	•	One serial port header
	•	One parallel port header
	•	One PS/2 back panel connector
LAN Support	Intel® 82578DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
	including an RJ-45 back panel connector with integrated status LEDs
BIOS	•	Intel® BIOS resident in an SPI Flash device
	•	Support for Advanced Configuration and Power Interface (ACPI),
		Plug and Play, and SMBIOS
Instantly Available	•	Support for PCI Local Bus Specification Revision 2.2
PC Technology	•	Support for PCI Express Base Specification Revision 2.0
	•	Suspend to RAM support
	•	Wake on PCI, PCI Express, LAN, front panel, PS/2, serial, and USB
		ports
Hardware	•	Intel® Quiet System Technology (Intel® QST) implemented through
Management		the Intel® Management Engine (Intel® ME) in the H55 PCH
	•	Voltage sense to detect out of range power supply voltages
	•	Thermal sense to detect out of range thermal values
	•	Three fan headers using PWM control
	•	4-pin headers for processor, front, and rear fans
	•	4-wire and 3-wire (linear) fan speed control support for front and
		rear fans
	•	Support for Platform Environmental Control Interface (PECI)

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