Acnodes 17" TFT Expandable Intel Core 2 Duo Industrial Panel PC with 2 PCI PC 8172 - Manual (Page 58)

48 Phoenix-Award BIOS Utility
PC 8172 User’s Manual
3.9 Power Management Setup
The Power Management Setup allows you to save energy of your
system effectively. It will shut down the hard disk and turn OFF video
display after a period of inactivity.