Chapter 8 System BIOS
8.5.3 TEMPERATURE STATUS
The BIOS includes a function (INT15, AX=E816h) to retrieve the status of a system’s interior temperature. This function allows an application to check whether the temperature situation is at a Normal, Caution, or Critical condition.
8.5.4 DRIVE FAULT PREDICTION
The Compaq BIOS directly supports Drive Fault Prediction for
8.6POWER MANAGEMENT FUNCTIONS
The BIOS provides two types of power management support: independent PM support ACPI support.
NOTE: The D315 models support both the independent PM (aka “APM”) and the ACPI Modes. The d325 models support only the ACPI mode.
8.6.1 INDEPENDENT PM SUPPORT (D315 only)
The BIOS can provide power management (PM) of the system independently from an operating system that doesn’t support APM (including DOS, Unix, NT & older versions of OS/2). In the Independent PM environment the BIOS and hardware timers determine when to switch the system to a different power state. State switching is not reported to the OS.
8.6.1.1 Staying Awake In Independent PM
There are two
Featuring the AMD Athlon XP Processor
Second Edition - April 2003