X window 下 Put the next two line in your .xinitrc (15 mins to turn off your monitor) xset s 300 xset s power 600 900 S3 的 X 有這個功能. 在 XF86Config 加: Section "Device" Identifier "s3-Virge" VendorName "Winfast" BoardName "s3-Virge" VideoRam 2048 Option "power_saver" ### ^^^^^^^^^^^^^^^^^^^^^^^^^^ ### 加這一行 EndSection Section "Screen" Driver "accel" Device "s3-Virge" Monitor "mag17" BlankTime 5 SuspendTime 15 OffTime 30 ### ^^^^^^^^^^^^^^ ### 加這三行 另外用 xset 也可以變更這三個參數, 例如 xset s 300 5 s blank s power 900 1800