
PA-2007 Mainboard Manual
20
Selecting LPT & COM will enable the power management timers when a no
activity event is detected in the LPT and COM ports. Selecting LPT (COM)
will enable the power management timers when a no activity event is
detected in the LPT (COM) ports. Selecting NONE will disable the PM
timer even if a no activity event is detected.
The options are: LPT & COM (Default), LPT, COM, NONE.
HDD & FDD
Selecting ON will enable the power management timers when a no activity
event is detected in the hard disk drive and floppy disk drive. Selecting OFF
will disable the PM timer even if a no activity event is detected.
The options are: OFF, ON (Default).
IRQ# Activity
After the time period which you set in Suspend Mode Feature, the system
advances from Doze Mode to Suspend Mode in which the CPU clock stops
and the screen display is off. At this moment, if the IRQ activity which is
defined as Primary occurs, the system goes back to Full-on Mode directly.
If the IRQ activity which is defined as Secondary takes place, the system
enters another low power state, Dream Mode, in which the system will act as
Full-on Mode except that the screen display remains off until the
corresponding IRQ handler finishes, then back to Suspend Mode.
For instance, if the system connects to a LAN and receives an interruption
from its file server, the system will enter the dreaming mode to execute the
corresponding calling routine.
The options are: Primary, Secondary.
The default values of IRQ3, 4, 5, 7, 9, 10, 11, 12, 14, 15 are: Primary.
The default value of IRQ8 is: Secondary.
NOTE : Under certain operating system such as Windows NT 4.0 (Build
1381), the CD auto-insertion feature might have some effect on the power
management. It is recommended that the CD-ROM drive to use the
secondary channel, and set the following features in the feature Power
Management Setup. - HDD & FDD : Off ; IRQ15 (Reserved) : Secondary