Gigabyte GA-990FX-Gaming User Manual page 24

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Channel A/B Timing Settings
This sub-menu provides memory timing settings for each channel of memory. The respective timing setting
may become unstable or fail to boot after you make changes on the memory timings. If this occurs, please reset
the board to default values by loading optimized defaults or clearing the CMOS values.
Advanced Voltage Settings
This sub-menu allows you to set CPU, chipset and memory voltages.
PC Health Status
Reset Case Open Status
Enabled
Clears the record of previous chassis intrusion status and the Case Open
Case Open
clear the chassis intrusion status record, set Reset Case Open Status to Enabled, save the settings to
the CMOS, and then restart your system.
CPU Vcore/Dram Voltage/+3.3V/+5V/+12V
CPU/System Temperature
CPU/System/Power Fan Speed
CPU Warning Temperature
Sets the warning threshold for CPU temperature. When temperature exceeds the threshold, BIOS will emit
CPU/System/Power Fan Fail Warning
Allows the system to emit warning sound if the fan is not connected or fails. Check the fan condition or fan
CPU Fan Control Mode
Auto
Lets the BIOS automatically detect the type of CPU fan installed and sets the optimal
Voltage
Sets Voltage mode for a 3-pin CPU fan.
PWM
Sets PWM mode for a 4-pin CPU fan.
CPU Fan Speed Control
Allows you to determine whether to enable the fan speed control function and adjust the fan speed.
Normal
Allows the fan to run at different speeds according to the CPU temperature. You
can adjust the fan speed with System Information Viewer based on your system
Silent
Allows the fan to run at slow speeds.
Manual
Allows you to control the fan speed under the Slope PWM item.
Slope PWM
set to Manual. Options are: 0.75 PWM value /
1st System Fan Speed Control (SYS_FAN1 Connector)
Allows you to determine whether to enable the fan speed control function and adjust the fan speed.
Normal
Allows the fan to run at different speeds according to the CPU temperature. You
can adjust the fan speed with System Information Viewer based on your system
DRAM Timing Selectable is set to Quick or Expert. Note: Your system
o
o
C/140
F, 70
o
C ~ 2.50 PWM value /
- 24 -
o
o
o
o
o
C/158
F, 80
C/176
F, 90
C/194
CPU Fan Speed Control is
o
C.
o
F.

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