Intel DP55WB - Media Series P55 micro-ATX Core i7 i5 LGA1156 Desktop Motherboard Specification page 10

Intel Desktop Board DP55WB Technical Product Specification
Table 1. Feature Summary (continued)
Expansion
Capabilities
Hardware Monitor
Subsystem
10
• One PCI Express 2.0 x16 bus add-in card connector
• Two PCI Express 2.0 x1 bus add-in card connectors
• One PCI conventional bus connector
• Hardware monitoring and fan control ASIC Heceta 6P
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Three fan headers using Heceta 6P fan speed control
• Three fan sense inputs used to monitor fan activity
• Fan speed control using voltage control (4-pin fan headers front, rear, and
processor) with selectable support in BIOS for 3 wire fans
• Support for Platform Environmental Control Interface (PECI)