Intel KD875PBZLKPAK10 Product Specification - Page 44
Power Connector, 12.2.2, Fan Connectors, CAUTION
UPC - 735858160209
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Intel Desktop Board D875PBZ Technical Product Specification 1.12.2.1 Power Connector ATX12V-compliant power supplies can turn off the system power through system control. When an ACPI-enabled system receives the correct command, the power supply removes all non-standby voltages. When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (on or off). The computer's response can be set using the Last Power State feature in the BIOS Setup program's Boot menu. For information about The power connector locations The power connector signal names The BIOS Setup program's Boot menu The ATX specification Refer to Figure 18, page 63 Table 28, page 65 and Table 25, page 64 Table 69, page 118 Section 1.4, page 17 1.12.2.2 Fan Connectors CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation. Table 11 summarizes the fan connector function/operation. Table 11. Fan Connector Function/Operation Connector Description Processor fan Front and rear chassis fans Voltage regulator fan • +12 V DC connection for a processor fan or active fan heatsink. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. • Closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. • Closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. For information about: The location of the fan connectors The signal names of the fan connectors The location of the fan connectors and sensors for thermal monitoring Refer to: Figure 18, page 63 Pages 64 and 65 Figure 13, page 39 44