Chapter 4: BIOS
95
Out-of-Band Mgmt Port
The feature selects a serial port in a client server to be used by the Microsoft Windows
Emergency Management Services (EMS) to communicate with a remote host server. The
default option
is
SOL/COM1
.
Terminal Type
Use this feature to select the target terminal emulation type for Console Redirection.
Select VT100 to use the ASCII character set. Select VT100+ to add color and function
key support. Select ANSI to use the extended ASCII character set. Select VT-UTF8 to use
UTF8 encoding to map Unicode characters into one or more bytes. The options are VT100,
VT100+,
VT-UTF8
, and
ANSI.
Bits Per Second
This item sets the transmission speed for a serial port used in Console Redirection. Make
sure that the same speed is used in the 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 overflow. Send a "Stop" signal to stop sending 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
ACPI Settings
WHEA Support
Select Enabled to support the Windows Hardware Error Architecture (WHEA) platform 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 Disabled and
Enabled
.
High Precision Event 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 dependency on other
timestamp calculation devices, such as an x86 RDTSC Instruction embedded in the CPU.
The High Performance Event Timer is used to replace the 8254 Programmable Interval Timer.
The options are Disabled and
Enabled
.
