IntelÂ® Desktop Board DQ67OW Technical ... - Viglen Download

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Intel Desktop Board DQ67OW Technical Product Specification1.16.1.2 Wake-up Devices and EventsTable 7 lists the devices or specific events that can wake the computer from specificstates.Table 7. Wake-up Devices and EventsThese devices/events can wake up the computer…Power switchRTC alarmLANUSBPME# signalWAKE# signalSerial portPS/2…from this stateS3, S4, S5S3, S4, S5S3, S4, S5S3S3, S4, S5S3, S4, S5S3S3, S4, S5Notes:• S4 implies operating system support only.• USB ports are turned off during S4/S5 states.NOTEThe use of these wake-up events from an ACPI state requires an operating systemthat provides full ACPI support. In addition, software, drivers, and peripherals mustfully support ACPI wake events.36
Product Description1.16.2 Hardware SupportCAUTIONEnsure that the power supply provides adequate +5 V standby current if LAN wakecapabilities and Instantly Available PC technology features are used. Failure to do socan damage the power supply. The total amount of standby current required dependson the wake devices supported and manufacturing options.The board provides several power management hardware features, including:• Power connector• Fan headers• LAN wake capabilities• Instantly Available PC technology• Wake from USB• PME# signal wake-up support• WAKE# signal wake-up support• Wake from serial port• Wake from PS/2• +5 V Standby Power Indicator LEDLAN wake capabilities and Instantly Available PC technology require power from the+5 V standby line.NOTEThe use of Wake from USB from an ACPI state requires an operating system thatprovides full ACPI support.1.16.2.1 Power ConnectorATX12V-compliant power supplies can turn off the system power through systemcontrol. When an ACPI-enabled system receives the correct command, the powersupply removes all non-standby voltages.When resuming from an AC power failure, the computer returns to the power state itwas in before power was interrupted (on or off). The computer’s response can be setusing the Last Power State feature in the BIOS Setup program’s Boot menu.For information aboutRefer toThe location of the main power connector Figure 10, page 45The signal names of the main power connector Table 23, page 5237
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