Artesyn ATCA-7480 Installation and Use (February 2015) - Manual (Page 192)

BIOS
ATCA-7480 Installation and Use (6806800T17A) 192
Hyper-Threading Enabled,
Disabled cpu_ht Enables Hyper Threading Software Method to
Enable/Disable Logical Processor threads.
Execute Disable
Bit Enabled,
Disabled cpu_ed When disabled, forces the XD feature flag to always
return 0.
Intel TXT Enabled,
Disabled cpu_txt Enables/Disables the Intel Trusted Execution
Technology (TXT).
CPU Virtualization
(VT-x) Enabled,
Disabled cpu_vt Enables processor hardware support to improve the
virtualization performance and robustness.
Hardware
Prefetcher Enabled,
Disabled cpu_hp Enables/ Disables the hardware prefetcher.
Adjacent Cache
Prefetch Enabled,
Disabled cpu_acp When enabled, optimizes the system for
applications that require high utilization of
sequential memory access. When disabled,
optimizes the system for applications that require
high utilization of random memory access.
Direct Cache
Access Enabled,
Disabled cpu_dca Enables/Disables Direct Cache Access (DCA).
X2APIC Enabled,
Disabled cpu_x2apic Enables/Disables extended APIC support.
Table 6-7 Advanced >> Processor Configuration (continued)
Item Values IPMI Boot parameter Description