Kontron EPIC/PM, User Manual

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24 23BAppendix B: BIOS Operation
24.6.1 ACPI Resume Events
The following events resume the system from S1:
®
Power button
®
PME#
®
PS/2 keyboard and mouse
®
USB keyboard and mouse activity
®
USB resume event
Feature Option Description
Enable ACPI *
No
Yes
Enables/Disables ACPI BIOS (Advanced
Configuration and Power Interface). IRQ9 is used
for SCI (System Control Interrupt).
8
ACPI Control
sub menu Opens the ACPI sub menu
Max CPU frequency **
1800MHz
1600MHz
1400MHz
1200MHz
1000MHz
800MHz
600MHz
Warning!
Selecting frequencies higher then the default
may cause the system to reach “critical trip
point” and shut down if a proper cooling solution
is not used. Always ensure that you use proper
cooling when selecting higher frequency
settings.
Automatic Thermal Monitor Control
Circuit **
Disabled
TM1
TM2 ***
Enables the thermal control circuit (TCC) of the
thermal monitor feature of the Pentium-M CPU.
TM1 = 50% duty cycle
TM2 = Geyserville III
Automatic TTC must be enabled to ensure that
the processor operates within specification.
Hard Disk Timeout Disabled , 10 sec – 15 min
Inactivity period of hard disk required before
standby (motor off).
Video Timeout Disabled , 10 sec – 15 min
Inactivity period of user input device before the
screen is turned off.
Resume on Modem Ring
Off
On
Enabled wakes the system on incoming calls
detected by mode (RI).
Resume on Time
Off
On
Enabled wakes the system at a specific time.
Resume Time 00:00:00 Specifies the time when the system is to wake.
Power supply
ATX
AT
Specifies whether an ATX or an AT power supply is
used.
Power Button Function
Power Off
Sleep
Determines if the system enters suspend or soft
off when the power button is pressed.
Notes: In the Option column, bold indicates default setting.
(*) Disable ACPI support whenever you are using an operating system without ACPI capability.
(**) See the chapter “Important Technology Information of this user’s guide for more details about these
features.
(***) EPIC/PM with Celeron M processor does not support TM2.
Kontron User's Guide
EPIC/PM
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