Siemens 620 Manual De Usuario

5-24

SIMATIC Box PC 620  Manual

A5E00131465-01

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

APM (Advanced Power 

Management) allows APM 

aware software to manage 

power savings, if enabled

APM:

[Enabled]

Disabled

Customized

Maximum Power Savings

Maximum Performance

Not valid for ACPI 

Operating Systems

Standby Timeout:

Off

Hard Disk Timeout:

[Disabled]

Figure 5-17 “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/Suspend 

Timeouts and Fixed Disk Timeout  or they set  

automatically to their defaults.

Standby 

Timeout

[Off]

No standby mode

[30 seconds or

...minutes after your PC enters standby mode.

1, 2, 4, 8, 12, 16]

Hard Disk 

Timeout

[Disabled]

The

 

hard disk does not shut down.

[10, 15, 30, 60]

Time 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.