Owner manual

ASUS M4A89TD PRO Series
3-31
Chapter 3
3.8 Boot menu
The Boot menu items allow you to change the system boot options. Select an item then press
<Enter> to display the submenu.
3.8.1 Boot Device Priority
v02.61 (C)Copyright 1985-2010, American Megatrends, Inc.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Species the Boot Device
Boot Priority sequence.
A virtual oppy disk
drive (Floppy Drive B:
) may appear when you
set the CD-ROM drive
as the rst boot
device.
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit
Boot Settings
Boot Device Priority
Boot Settings Conguration
Security
Boot Device Priority
1st Boot Device [Removable Dev.]
2nd Boot Device [Hard Drive]
3rd Boot Device [ATAPI CD-ROM]
BIOS SETUP UTILITY
Boot
The following four items appear only when you set Chassi Q-Fan Mode to [Manual].
CPU Upper Temperature [70 ˚ C/158 ˚ F]
Sets the upper limit of the system temperature.
Conguration options: [30˚C/86˚F] [40˚C/104˚F] [50˚C/122˚F] [60˚C/140˚F] [70˚C/158˚F]
[80˚C/176˚F] [90˚C/194˚F]
CHA Fan Max. Duty Cycle [100%]
Sets the maximum chassis fan duty cycle. When the system temperature reaches the
upper limit, the chassis fan will operate at the maximum duty cycle.
Conguration options: [20%] [30%] [40%] [50%] [60%] [70%] [80%] [90%] [100%]
Lower Temperature [20 ˚ C/68 ˚ F]
Displays the lower limit of the system temperature.
CHA Fan Min. Duty Cycle [50%]
Sets the minimum chassis fan duty cycle. When the system temperature is under
20˚C/68˚F, the chassis fan will operate at the minimum duty cycle.
Conguration options: [00%] [10%] [20%] [30%] [40%] [50%] [60%] [70%] [80%] [90%]
[100%]