BL = Setup Parameter
Parameter BL Value
Expansion Bus
BH = 00h 00h = Standard
01h = Enhanced
02h = Auto
System Timeout Interval
BH = 01h 00h = Always On
01h = 1 Minute
02h = 2 Minutes
03h = 5 Minutes
04h = 10 Minutes
05h = 15 Minutes
System Timeout Action
BH = 02h 00h = Backlight Off
01h = Suspend
Auto Wakeup Interval
BH = 03h 00h = 5 Minutes
01h = 10 Minutes
02h = 15 Minutes
03h = 20 Minutes
Auto Wakeup Action
BH = 04h 00h = Backlight Off
01h = Backlight On
Cover Closed Action
BH = 05h 00h = Reserved
01h = Suspend
02h = Backlight Off
HDD Motor Timeout
BH = 06h 00h = Always On
01h = 1 Minute
02h = 2 Minutes
03h = 5 Minutes
04h = 10 Minutes
Default CPU Speed
BH = 07h 00h = Low
01h = Medium
02h = High
03h = Auto
Quick Boot
BH = 08h 00h = Off
01h = On
Battery Alarm
BH = 09h 00h = Off
01h = On
Cover Alarm
BH = 0Ah 00h = Off
01h = On
Standard Comm
BH = 0Bh 00h = Disabled
01h = Enabled
Option Comm
BH = 0Ch 00h = Disabled
01h = Enabled
Parallel Port
BH = 0Dh 00h = Disabled
01h = Enabled
PS/2 Port
BH = 0Eh 00h = Disabled
01h = Mouse
02h = Keyboard
03h = Auto
Speaker
BH = 0Fh 00h = Off
01h = On
Added Interrupt 15 Functions F-13