beautypg.com

Acer Altos G530 Series User Manual

Page 96

background image

4 BIOS setup

86

CPU 2 CPUID

ID number of the CPU 2.

CPU 2 Cache L1

Indicates CPU 2 cache L1 size.

CPU 2 Cache L2

Indicates CPU 2 cache L2 size.

Max CPUID Value
Limit

Enable to boot legacy operating
systems.

Disabled

Ensabled

Execute Disable
Bit

When Enabled, the processor disables
code execution when a worm
attempts to insert a code in the buffer,
preventing damage and worm propa-
gation.

When Disabled, the processor forces
the Execute Disable Bit feature flag to
always return to 0.

Note: This feature is hidden if the
procesor does not support this
function.

Disabled

Ensabled

C1E Support

When Enabled, the CPU power
consumption will be lower when the
system is idle.

Note: This feature is hidden if the
procesor does not support this
function.

Disabled

Ensabled

Hardware
Prefetcher

Enables or disables the processor
Hardware Prefetch feature.

Disabled

Ensabled

Adjacent Cache
Line Prefetch

Enables or disables the processor
Adjacent Cache Line Prefetch feature.

Disabled

Ensabled

Hyper-Threading
Technology

Enables or disables the
Hyper-Threading function of the
processor.

The Hyper-Threading Technology
controls Hyper-Threading state.
Primarily used to support older OS
that do not support Hyper Threading.

Enabled

Disabled

Parameter

Description

Option