COMeT10-3900/BIOS Settings
v1.1
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Page 17
4.3.9 LPSS
Configure I2C Interface.
4.3.10 Power Control
Specify settings for CPU hibernation and ACPI sleep states.
Device reset
time-out
Sets the USB mass storage device Start Unit command
time-out.
10 sec, 20
sec, 30 sec,
40 sec
20 sec
Device power-
up delay
Specifies the maximum time the device takes before it
properly reports itself to the host controller. Auto uses
default value: for a Root port it is 100 milliseconds, and
for a Hub port the delay is taken from the Hub
descriptor.
Auto, Manual Auto
Device power-
up delay in
seconds
Specifies the delay before the device begins to power
up (seconds).
NOTE:
Device power-up delay must be set to manual
to view this option.
1 to 40
5
Feature
Description
Choices
Default
Feature
Description
Choices
Default
I2C Bus
Enables/disables the I2C bus. When set to PCI
mode the PnP software uses PCI registers for
device configuration. When set to ACPI mode the
PnP software uses ACPI methods for device
configuration.
Disable, PCI
Mode, ACPI
Mode
PCI Mode
I2C Bus Speed
Speed Sets the I2C bus speed to the following
choices:
• Standard Mode = 100 kHz
• Fast Mode = 400 kHz
• Fast Plus Mode = 1 MHz
• High Speed Mode = 3.4 MHz
Standard
Mode, Fast
Mode, Fast
Plus Mode,
High Speed
Mode
Standard
Mode
Feature
Description
Choices
Default
Enable
Hibernation
Enables/disables the system’s ability to Hibernate
(S4 Sleep State). This option may be not effective
with some operating systems.
Enable,
Disable
Enable
ACPI Sleep State Selects the highest ACPI sleep state the system
enters when the SUSPEND button is pressed.
Suspend
Disable, S3
(Suspend to
Ram)
S3 (Suspend
to Ram)
OS Reset Select
Selects the reset type used by the operating
system. A cold reset starts up from a complete
powerless state. A warm reset regains its initial
state without hampering the power source.
Warm Reset,
Cold Reset
Cold Reset
