User Manual

Intel W790 Series BIOS Manual
65
L2 RFO Prefetch Disable
Allows you to enable or disable L2 RFO prefetcher (MSR 6Dh Bit[35]).
Configuration options: [Disabled] [Enable]
Adjacent Cache Prefetch
Allows you to enable or disable MLC spatial prefetcher (MSR 1A4h Bit[1]).
Configuration options: [Enable] [Disabled]
DCU Streamer Prefetcher
Allows you to enable or disable DCU streamer prefetcher, which is a L1 data cache
prefetcher (MSR 1A4h Bit[2]).
Configuration options: [Enable] [Disabled]
DCU IP Prefetcher
Allows you to enable or disable DCU IP prefetcher, which is a L1 data cache prefetcher
(MSR 1A4h Bit[3]).
Configuration options: [Enable] [Disabled]
LLC Prefetch
Allows you to enable or disable LLC prefetch on all threads.
Configuration options: [Disabled] [Enable]
Homeless Prefetch
Allows you to enable or disable Homeless Prefetch on all threads, the setting Auto maps is
program specific.
Configuration options: [Disabled] [Enable] [Auto]
FB Thread Slicing
Allows you to enable or disable FB (Fill Buffer) Thread Slicing per thread.
Configuration options: [Disabled] [Enable]
AMP Prefetch
Allows you to enable or disable MLC AMP prefetch (MSR 1A4h [4]).
Configuration options: [Enable] [Disabled]
Extended APIC
Allows you to enable or disable extended APIC support.
Configuration options: [Disabled] [Enable]
Enabling this item will automatically enable VT-d and Interrupt Remapping.
APIC Physical Mode
Allows you to enable or disable APIC physical destination mode.
Configuration options: [Disabled] [Enable]
PECI Trust Mode
Allows you to set PECI trust configuration.
Configuration options: [All PECI Agents untrusted] [All PECI Agents trusted] [Use per-PECI
agent trust mode]