Technical Product Specification
Page 8
Intel Desktop Board DH77DF Technical Product Specification 2.3 Jumper Block 59 2.4 Mechanical Considerations 61 2.4.1 Form Factor 61 2.5 Electrical Considerations 62 2.5.1 Power Supply Considerations 62 2.5.2 Power Supervisor 63 2.5.3 Fan Header Current Capability 63 2.5.4 Add-in Board Considerations 63 2.6 Thermal Considerations... Boot 74 3.8.3 Booting Without Attached Devices 74 3.8.4 Changing the Default Boot Device During POST 74 3.9 Adjusting Boot Speed 75 3.9.1 Peripheral Selection and Configuration 75 3.9.2 BIOS Boot Optimizations 75 3.10 BIOS Security Features 76 3.11 BIOS...
Intel Desktop Board DH77DF Technical Product Specification 2.3 Jumper Block 59 2.4 Mechanical Considerations 61 2.4.1 Form Factor 61 2.5 Electrical Considerations 62 2.5.1 Power Supply Considerations 62 2.5.2 Power Supervisor 63 2.5.3 Fan Header Current Capability 63 2.5.4 Add-in Board Considerations 63 2.6 Thermal Considerations... Boot 74 3.8.3 Booting Without Attached Devices 74 3.8.4 Changing the Default Boot Device During POST 74 3.9 Adjusting Boot Speed 75 3.9.1 Peripheral Selection and Configuration 75 3.9.2 BIOS Boot Optimizations 75 3.10 BIOS Security Features 76 3.11 BIOS...
Technical Product Specification
Page 12
Intel Desktop Board DH77DF Technical Product Specification Table 1. Feature Summary (continued) Peripheral Interfaces Expansion Capabilities BIOS Instantly ... panel, Consumer Infrared (CIR), and USB ports LAN Support Gigabit (10/100/1000 Mb/s) LAN subsystem using the Intel® 82579V Gigabit Ethernet Controller Legacy I/O Control Hardware Monitor Subsystem Nuvoton NCT67760 I/O controller for CIR and hardware management ...; Thermal sense to detect out of range thermal values • Two fan headers • Two fan sense inputs used to monitor fan activity • Fan speed control 12
Intel Desktop Board DH77DF Technical Product Specification Table 1. Feature Summary (continued) Peripheral Interfaces Expansion Capabilities BIOS Instantly ... panel, Consumer Infrared (CIR), and USB ports LAN Support Gigabit (10/100/1000 Mb/s) LAN subsystem using the Intel® 82579V Gigabit Ethernet Controller Legacy I/O Control Hardware Monitor Subsystem Nuvoton NCT67760 I/O controller for CIR and hardware management ...; Thermal sense to detect out of range thermal values • Two fan headers • Two fan sense inputs used to monitor fan activity • Fan speed control 12
Technical Product Specification
Page 34
... if the chassis cover is in the closed position. Intel Desktop Board DH77DF Technical Product Specification 1.10 Hardware Management Subsystem The hardware management features enable the board to be implemented using Intel® Desktop Utilities or third-party software. When the... chassis cover is removed, the mechanical switch is removed. The board has several hardware management features, including the following : • Processor and system ambient temperature monitoring • Chassis fan speed monitoring ...
... if the chassis cover is in the closed position. Intel Desktop Board DH77DF Technical Product Specification 1.10 Hardware Management Subsystem The hardware management features enable the board to be implemented using Intel® Desktop Utilities or third-party software. When the... chassis cover is removed, the mechanical switch is removed. The board has several hardware management features, including the following : • Processor and system ambient temperature monitoring • Chassis fan speed monitoring ...
Technical Product Specification
Page 39
...S5 state • Each fan header is wired to a fan tachometer input of the hardware monitoring and fan control ASIC • All fan headers support closed-loop fan control that provides full ACPI support. 1.11.2.1 Power Connector ATX12V-compliant power supplies can adjust the fan speed or switch the fan on or off as ...follows: • The fans are on or off). Product Description NOTE The use of Wake from USB from an AC power failure, the ...
...S5 state • Each fan header is wired to a fan tachometer input of the hardware monitoring and fan control ASIC • All fan headers support closed-loop fan control that provides full ACPI support. 1.11.2.1 Power Connector ATX12V-compliant power supplies can adjust the fan speed or switch the fan on or off as ...follows: • The fans are on or off). Product Description NOTE The use of Wake from USB from an AC power failure, the ...
Technical Product Specification
Page 52
... Pin 1 2 3 4 Signal Name Ground (Note) +12 V FAN_TACH FAN_CONTROL Note: These fan headers use Pulse Width Modulation control for fan speed. Back Panel CIR Emitter (Output) Header Pin Signal Name 1 Emitter out 1 2 Emitter out 2 3 Ground 4 Key (no pin) 8 CIR Input 52 Chassis Intrusion Header Pin Signal .... Front Panel CIR Receiver (Input) Header Pin Signal Name 1 Ground 2 LED 3 NC 4 Learn-in 5 5 V standby 6 VCC 7 Key (no pin) 5 Jack detect 1 6 Jack detect 2 Table 26. Intel Desktop Board DH77DF Technical Product Specification Table 23.
... Pin 1 2 3 4 Signal Name Ground (Note) +12 V FAN_TACH FAN_CONTROL Note: These fan headers use Pulse Width Modulation control for fan speed. Back Panel CIR Emitter (Output) Header Pin Signal Name 1 Emitter out 1 2 Emitter out 2 3 Ground 4 Key (no pin) 8 CIR Input 52 Chassis Intrusion Header Pin Signal .... Front Panel CIR Receiver (Input) Header Pin Signal Name 1 Ground 2 LED 3 NC 4 Learn-in 5 5 V standby 6 VCC 7 Key (no pin) 5 Jack detect 1 6 Jack detect 2 Table 26. Intel Desktop Board DH77DF Technical Product Specification Table 23.