Chapter 5: UEFI BIOS (for EPYC 7002 Series)
101
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 ow control for Console Redirection to prevent data loss caused
by buer overow. Send a "Stop" signal to stop sending data when the receiving buer
is full. Send a "Start" signal to start sending data when the receiving buer is empty. The
options are None, Hardware RTS/CTS, and Software Xon/Xo.
Data Bits
Parity
Stop Bits
CPU Conguration
SMT Control
Use this setting to specify Simultaneous Multithreading. The options are Disabled and Auto.
Core Performance Boost
This setting is used to congure for Core Performance Boost. Options include Auto and
Disabled.
Global C-state Control
This setting is used to congure for Global C-state Control. Options include Auto, Disabled
and Enabled.
Core Control
This sets the number of cores to be used by your system. Once this option has been used to
remove any cores, a power cycle is required in order for the future selections to take eect.
Options include TWO (1+1), Two (2 + 0), Three (3 + 0), Four (2 + 2), Four (4+0), Six (3 + 3)
and Auto. If unsure, leave this to Auto.
L1 Stream HW Prefetcher / L2 Stream HW Prefetcher
This setting is used to enable or disable the L1/L2 Stream Hardware Prefetcher. The options
are Auto, Disabled and Enabled.
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