Gigabyte J4105N H User Manual - Page 20

`` IT8686 Super IO Configuration This section provides information on the super I/O chip and allows you to configure the serial port and parallel port. `` Hardware Monitor && SOC_FAN/SYS_FAN1 mode PWM PWM mode is recommended for a 4-pin fan. (Default) Voltage Voltage mode is recommended for a 3-pin fan. && CPU Temperature/System Temperature Displays current CPU/system temperature. && SOC_FAN/SYS_FAN1 Speed Displays current CPU/system fan speeds. && VCCGI/VCC3/+12V/VCC/Vnn/DDR_VDDQ Displays the current system voltages. `` SIO Misc Functions && AC BACK Determines the state of the system after the return of power from an AC power loss. Memory The system returns to its last known awake state upon the return of the AC power. Always On The system is turned on upon the return of the AC power. Always Off The system stays off upon the return of the AC power. (Default) && Case Open Displays the detection status of the chassis intrusion detection device attached to the motherboard CI header. If the system chassis cover is removed, this field will show "Open", otherwise it will show "Close." To clear the chassis intrusion status record, set Reset Case Open Status to Enabled, save the settings to the CMOS, and then restart your system. && Reset Case Open Status Disabled Keeps or clears the record of previous chassis intrusion status. (Default) Enabled Clears the record of previous chassis intrusion status and the Case Open field will show "No" at next boot. `` CPU Configuration `` CPU Power Management && EIST Enables or disables Enhanced Intel® Speed Step Technology (EIST). Depending on CPU loading, Intel® EIST technology can dynamically and effectively lower the CPU voltage and core frequency to decrease average power consumption and heat production. Auto lets the BIOS automatically configure this setting. (Default: Enabled) && Turbo Mode Allows you to determine whether to enable the Intel® CPU Turbo Boost technology. (Default: Enabled) && C-States Enables or disables this function. (Default: Enabled) && Enhanced C-states Allows you to determine whether to let the CPU enter C states. When enabled, the CPU core frequency will be reduced during system halt state to decrease power consumption. This item is configurable only when C-States is enabled. (Default: Enabled) - 20 -