AMD CBS Option Description
SEV-SNP Support With Force APCB Update enabled, enable or disable (default)
support for Secure Encrypted Virtualization and Secure Nested
Paging.
SoC Miscellaneous Control
ABL Console Out Control With Force APCB Update enabled, enable or disable the
ConsoleOut Function for ABL. Default is Auto.
ABL Basic Console Out Control With Force APCB Update enabled, enable or disable the Basic
ConsoleOut Function for ABL. Default is Auto.
ABL PMU Message Control With Force APCB Update enabled, enable or disable PMU message
for ABL. Default is Auto.
Serial Port Console Redirection
Serial Port Console Redirection Option Description
COM0 Console Redirection Settings
Console Redirection EMS Enable or disable (default) console redirection EMS.
Console Redirection Enable (default) or disable console redirection.
Terminal Type VT100, VT100Plus (default), VT-UFT8, ANSI
Bits Per Second 9600, 19200, 38400, 57600, 115200 (default)
Data Bits 7, 8 (default)
Parity None (default), Even, Odd, Mark, Space
Stop Bits 1 (default), 2
Flow Control None (default), Hardware, Request to Send or Clear to Send (RTS/
CTS)
PCI Subsystem Settings
PCI Subsystem Settings Description
PCI Driver Version Version number of the PCI driver.
Example: A5.01.28
PCI Settings Common for All Devices Caution: If you change the PCI settings common to all devices,
there might be unwanted results, such as the system might freeze.
PCI Latency Timer Specify a PCI Bus Clock value (32 (default) 64, 96, 128, 160, 192,
224, 248) to use for the PCI Latency Timer Register.
PCI-X Latency Timer Specify a PCI Bus Clock value (32, 64 (default), 96, 128, 160, 192,
224, 248) to use for the PCI-X Latency Timer Register.
VGA Palette Snoop Enable or disable (default) the PCI cards to snoop on the video card
palettes and register snooping.
PERR# Generation Enable or disable (default) the PCI device to generate PERR#.
SERR# Generation Enable or disable (default) the PCI device to generate SERR#.
Above 4G Decoding
Enable (default) above 4G decoding only if the system supports 64
bit PCI decoding or disable the option.
Appendix F
Advanced Menu
F-7