Asus M4A89TD PRO/USB3 User Manual - Page 87

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. Configuration 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. Configuration 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. Configuration options: [00%] [10%] [20%] [30%] [40%] [50%] [60%] [70%] [80%] [90%] [100%] 3.8 Boot menu The Boot menu items allow you to change the system boot options. Select an item then press to display the submenu. Main Ai Tweaker BIOS SETUP UTILITY Advanced Power Boot Tools Exit Boot Settings Boot Device Priority Boot Settings Configuration Security Specifies the Boot Device Boot Priority sequence. A virtual floppy disk drive (Floppy Drive B: ) may appear when you set the CD-ROM drive as the first boot device. ←→ Select Screen ↑↓ Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2010, American Megatrends, Inc. 3.8.1 Boot Device Priority BIOS SETUP UTILITY Boot Boot Device Priority 1st Boot Device 2nd Boot Device 3rd Boot Device [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] Chapter 3 ASUS M4A89TD PRO Series 3-31