Manual
Page 50
... on Windows® Vista® operating system only. Delay 4 Sec. Press and hold the power button for less than in a low power S3(STR) mode. GA-MA780G-UD3H Motherboard - 50 - The system can be off and consumes less power than 4 seconds, the system will be turned off instantly. (Default) USB Wake Up from...:mm:ss) [S3(STR)] [Instant-off the computer in MS-DOS mode using the power button. If the power button is pressed for 4 seconds to RAM) sleep state (default).
... on Windows® Vista® operating system only. Delay 4 Sec. Press and hold the power button for less than in a low power S3(STR) mode. GA-MA780G-UD3H Motherboard - 50 - The system can be off and consumes less power than 4 seconds, the system will be turned off instantly. (Default) USB Wake Up from...:mm:ss) [S3(STR)] [Instant-off the computer in MS-DOS mode using the power button. If the power button is pressed for 4 seconds to RAM) sleep state (default).