Intel Desktop Board DH55HC Technical Product Specification
10
Table 1. Feature Summary (continued)
Instantly Available
PC Technology
• Support for PCI* Local Bus Specification Revision 2.3
• Support for PCI Express*
• Suspend to RAM support
• Wake on PCI, PCI Express, LAN, front panel, PS/2, serial and USB ports
LAN Support Gigabit (10/100/1000 Mbits/s) LAN subsystem using the Intel
®
82578DC Gigabit
Ethernet Controller
Expansion
Capabilities
• One PCI Express 2.0 x16 add-in card connector
• Two PCI Express 2.0 x1 add-in card connectors
• Three Conventional PCI bus connector
Hardware Monitor
Subsystem
• Intel
®
Quiet System Technology (Intel
®
QST) implemented through Intel
®
Management Engine (Intel
®
ME) in the Intel 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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