Chapter 4: AMI BIOS
4-29
Select VT-UTF8 to use UTF8 encoding to map Unicode characters into one or
more bytes. The options are ANSI, VT100, VT100+, and
VT-UTF8
.
Bits Per Second
This item sets the transmission speed for a serial port used in Console Redirec-
tion. Make sure that the same speed is used in both host computer and the client
computer. A lower transmission speed may be required for long and busy lines.
The options are 9600, 19200, 57600, and
115200
(bits per second).
Flow Control
Use this item to set the flow control for Console Redirection to prevent data
loss caused by buffer overflowing. Send a "Stop" signal to stop data-sending
when the receiving buffer is full. Send a "Start" signal to start data-sending when
the receiving buffer is empty. The options are
None,
Hardware RTS/CTS, and
Software Xon/Xoff.
The setting for each these features is displayed:
Data Bits, Parity, Stop Bits
ACPI Settings
WHEA Support
Select Enabled to support the Windows Hardware Error Architecture (WHEA) plat-
form and provide a common infrastructure for the system to handle hardware errors
within the Windows OS environment to reduce system crashes and to enhance
system recovery and health monitoring. The options are
Enabled
and Disabled.
High Precision Timer
Select Enabled to activate the High Precision 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.
NUMA Support (Available when the OS supports this feature)
Select Enabled to enable Non-Uniform Memory Access support to enhance system
performance. The options are
Enabled
and Disabled.
