Asus MAXIMUS FORMULA SPECIAL Motherboard Installation Guide - Page 105

Chassis Target Temperature [37ºC] Configuration options: [28ºC] [31ºC] [34ºC] [37ºC] [40ºC] [43ºC] [46ºC] Chassis Fan 3 Speed [xxxxRPM] or [Ignored] / [N/A] The onboard hardware monitor automatically detects and displays the chassis fan speed in rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows N/A. Chassis Fan 3 Control [Disabled] Allows you to enable or disable the chassis fan3 controller. Configuration options: [Disabled] [Menu Mode] [Auto] The following item appears when you set the Chassis Fan 3 Control to [Menu Mode]. PWM Mode [50] Configuration options: [50] [60] [70] [80] [90] [100%] OPT Q-Fan and Power Fan BIOS SETUP UTILITY Power OPT_Fan 1 Reading OPT_Fan1 Q-Fan Control Duty Cycle Mode OPT_Fan 2 Reading OPT_Fan2 Q-Fan Control Duty Cycle Mode OPT_Fan 3 Reading OPT_Fan3 Q-Fan Control Duty Cycle Mode :N/A [RATIO] [90] :N/A [RATIO] [90] :N/A [RATIO] [90] Power Fan Speed [N/A] Fan configuration mode setting Select Screen Select Item +- Change Field F1 General Help F10 Save and Exit ESC Exit v02.58 (C)Copyright 1985-2007, American Megatrends, Inc. The onboard hardware monitor automatically detects the optional fan speed. If the fan is not connected to the motherboard, the field shows N/A. OPT_Fan1/2/3 Q-Fan Control [RATIO] Allows you to select the optional fan control mode. When this item is set to [DUTY CYCLE], you can configure the Duty Cycle Mode item. If you set this item to [Q-FAN], you are allowed to configure the TargetTemp Value item. The Q-Fan detects the temperature of the fan connected to the OPT_FAN1/2/3 connector and adjusts the fan speed. Configuraiton options: [RATIO] [Q-FAN] You need to connect the thermal sensor cables to the OPT_TEMP1/2/3 connectors to enable this function. ROG Maximus Formula (Special Edition) / Maximus Formula 4-33