Gigabyte R451-3R0, User Manual

Page: 93 / 117

- 93 - BIOS Setup
Parameter
Description
Package C State
Configures the state for the C-State package limit.
Options available: C0/C1 state/C2 state/C6 (non Retention) state/C6
(Retention) state/No Limit/Auto. Default setting is
Auto .
Hyper-Threading [ALL]
The Hyper Threading Technology allows a single processor to execute
two or more separate threads concurrently. When hyper-threading is
enabled, multi-threaded software applications can execute their threads,
thereby improving performance.
Options available: Enable/Disable. Default setting is
Enable .
Hardware Prefetcher
Select whether to enable the speculative prefetch unit of the processor.
Options available: Enable/Disable. Default setting is
Disable .
Adjacent Cache Prefetch
When enabled, cache lines are fetched in pairs. When disabled, only
the required cache line is fetched.
Options available: Enable/Disable. Default setting is
Enable .
DCU Streamer Prefetcher
Prefetches the next L1 data line based upon multiple loads in same
cache line.
Options available: Enable/Disable. Default setting is
Enable .
Isoc Mode
Options available: Auto/Enable/Disable. Default setting is Auto .
Intel
®
VT for Directed I/O (VT-d)
Enable/Disable the Intel VT for Directed I/O (VT-d) support function
by reporting the I/O device assignment to VMM through DMAR ACPI
Tables.
Options available: Enable/Disable. Default setting is
Enable .
Link Frequency Select
Selects the UPI link frequency.
Options available: 9.6GB/10.4GB/Auto. Default setting is
Auto .