Epson MR Series Technical Reference Manual page 156

Windows NT
With Windows NT, the Restart dialog box is displayed when shutting down the operating
system, and the system stops and waits for instructions. Therefore, either one of the following
methods should be used.
❏ Set Soft-Off using PWR-BTTN to "Instant-Off" to turn the power supply off when the Power
button is pressed.
❏ Change HAL to automatically turn the power supply off when the operating system is shut
down.
Windows 98/2000/XP
When shutdown is executed on Windows 98 and later operating systems, the power is turned
off using the power-off command from the system.
Therefore, set the Power button setting to "Disabled" or "Delay 4 Sec." to prevent a power-off
when the Power button is accidentally pressed and to enable the system to enter the Suspend
mode when the Power button is pressed.
Setting of Soft-Off by PWR-BTTN and Power Button Operation
When the power supply is turned off by pressing the Power button for 4 seconds or more, the
WOL (Wake On LAN) function cannot be used when the system is started the next time. In
order to enable the WOL function from this status, reboot the system once and turn the power
supply off normally (shift to the S4 state by soft-off) from the operating system.
The Power button operation in the Suspend mode is treated as an event that causes the system to
recover to the Full-On mode. If the Power button is pressed for 4 seconds or more after
recovering to the Full-On mode, the power supply is turned off.
Basically, the mode in each operation system changes as follows when the Power button is
pressed.
❏ DOS and Windows NT
Same as the basic operations of the BIOS
The power supply is turned off if the Power button is pressed for 4 seconds or more.
❏ Windows 98 and Windows 2000
Since these operation systems support ACPI (PMOS), the settings in the operating system
are valid and the settings in the BIOS are invalid.
The power supply is turned off if the Power button is pressed for 4 seconds or more.
5-16 BIOS Functions
BIOS setting Full-On / Video-Off
Instant-Off Shutdown
Delay 4 Sec. Suspend
Disabled No-Operation
OS setting Full-On / Video-Off
Shutdown Shutdown
Standby Standby
Suspend
Full-On
Full-On
Full-On
Standby
Full-On
Full-On
Rev. I