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Intel Desktop Board DH55HC Product Guide
10
Table 1. Feature Summary (continued)
Peripheral
Interfaces
• Twelve USB 2.0 ports:
― 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
PC Technology
• Support for PCI Local Bus Specification Revision 2.2
• 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
Management
• Intel
®
Quiet System Technology (Intel
®
QST) implemented through
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)