Intel BLKDG965PZMKR Product Specification - Page 36
Hardware Support
UPC - 735858180665
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Intel Desktop Board DG965PZ Technical Product Specification 1.9.1.2 Two-Watt Standby In 2001, the U.S. government issued an executive order requiring a reduction in power for appliances and personal computers. This board meets that requirement by operating at 1.5 W (or less) in S5 (Standby) mode. Two-Watt operation applies only to the S5 state when the computer is turned off, but still connected to AC power. Two-Watt operation does not apply to the S3 (Suspend to RAM) or S4 (Suspend to disk) states. Newer energy-efficient power supplies using less than 0.5 W (in Standby mode) may also be needed to achieve this goal. 1.9.1.3 Wake-up Devices and Events Table 11 lists the devices or specific events that can wake the computer from specific states. Table 11. Wake-up Devices and Events These devices/events can wake up the computer... LAN Power switch RTC alarm USB WAKE# signal ...from this state S3, S4, S5 (Note) S3, S4, S5 S3, S4, S5 S3 S3, S4, S5 Note: For LAN, S5 is disabled by default in the BIOS Setup program. Setting this option to Power On will enable a wake-up event from LAN in the S5 state. NOTE The use of these wake-up events from an ACPI state requires an operating system that provides full ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events. 1.9.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used. Failure to do so can damage the power supply. The total amount of standby current required depends on 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 • Resume on Ring 36