Siemens SIMATIC Box PC 840, Руководство пользователя

Страница: 90 / 212

Configuring the SIMATIC Rack PC 840
5-20
SIMATIC Rack PC 840 Manual
A5E00104826-03
5.5 The Power Menu
This menu has the following structure.
PhoenixBIOS Setup Utility
Item Specific Help
ESC Exit
Select Item
Select Menu
+ / –
Select
Change Values
Sub-Menu
F9
F10
Setup Defaults
Save and Exit
Power Savings:
Enter
Help
F1
Advanced
Security
Boot Sequence Version Exit Main
[ Disabled ]
Power
Hard Disk Timeout: [Disabled]
APM (Advanced Power
Management) allows APM
aware software to manage
power savings, if enabled
APM: [Enabled]
Disabled
Customized
Maximum Power Savings
Maximum Performance
Resume Time [00:00:00]
After Power Failure: [Last State]
Resume On Time [On]
Not valid for ACPI
Operating Systems
Figure 5-15 ”Power” Menu
The Power menu offers a number of power saver modes for environmentally
friendly computing:
APM
(Advanced
Power
Management)
[Enabled] The operating system can shut down system
resources when they are not needed.
[Disabled] The operating system is denied APM access.
Power Savings [Disabled] No power-saving functions
[Customize, Maximum Power Savings, Maximum Performance]
User-selectable and preset power saving functions
for maximum and minimum power saving.
You can set the parameters for Standby Timeout
and Fixed Disk Timeout or they are set
automatically to their defaults.
Hard Disk
Timeout
[Disabled] The hard disk does not shut down.
[6, 8, 10, 15] minutes since the last hard-disk access, the hard
disk is shut down.
The next time it is accessed, the hard disk starts
spinning again after a brief delay.
Resume On
Time
[On] If this function is enabled the
programming device is automatically
switched on at the preset time.
[Off] ’Off’ means this function is disabled.
Resume Time Time for automatic restart