Supero X9SRD-F, User Manual

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Chapter 4: AMI BIOS
4-17
ing data when the receiving buffer is full. Send a "Start" signal to start sending
data when the receiving buffer is empty. The options are
None, Hardware RTS/
CTS, and Software Xon/Xoff.
Data Bits, Parity, Stop Bits
The status of these features is displayed.

ACPI Configuration
Use this feature to configure Advanced Configuration and Power Interface (ACPI)
power management settings for your system.
ACPI Sleep State
This setting allows you to configure the ACPI (Advanced Configuration and Power
Interface) sleep state for your system when it is in the Suspend mode. The options
are Suspend Disabled,
S1 (CPU Stop Clock) .
High Precision Event Timers
Select Enabled to activate the High Performance Event Timer (HPET) that produces
periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does in
synchronizing multimedia streams, providing smooth playback and reducing the de-
pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-
tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are
Enabled and Disabled.

ME Subsystem
This item displays the ME Subsystem information.