Chapter 8 System BIOS
8.6.1.3 Suspend
Suspend is not supported in the Independent PM mode.
8.6.1.4 System OFF
When the system is turned Off but still plugged into a live AC outlet the NIC, ICH2, and I/O components continue to receive auxiliary power in order to
8.6.1.5 Waking Up in Independent PM
Activity of either of the following devices will cause the system to wake up with the screen restored:
♦Keyboard
♦Mouse (if driver installed)
The hard drive will not spin up until it is accessed. Any hard drive access will cause it to wake up and resume spinning. Since the BIOS returns to the currently running software, it is possible for the drive to spin up while the system is in Standby with the screen blanked.
8.6.2 ACPI SUPPORT
These systems meet the hardware and firmware requirements for being ACPI compliant. This system supports the following ACPI functions:
♦PM timer
♦Power button
♦Power button override
♦RTC alarm
♦Sleep/Wake logic (S1,S3, S4 (Windows 2000), S5)
♦C1 state (Halt)
♦PCI Power Management Event (PME)
8.7USB LEGACY SUPPORT
The BIOS ROM checks the USB port, during POST, for the presence of a USB keyboard. This allows a system with only a USB keyboard to be used during
On such a system a keystroke will generate an SMI and the SMI handler will retrieve the data from the device and convert it to PS/2 data. The data will be passed to the keyboard controller and processed as in the PS/2 interface. Changing the delay and/or typematic rate of a USB keyboard though BIOS function INT 16 is not supported.
Featuring the AMD Athlon XP Processor
Second Edition - April 2003