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Processor configuration – Acer AT150 F1 User Manual

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4 System BIOS

72

Processor Configuration

This submenu displays the status of the processor as detected by the
BIOS, including items such as the processor's type, frequency, and
Cache L1, L2, L3 settings.

Parameter

Description

Options

Ratio CMOS Setting

This option allows the user to set
the ratio between the CPU Core
Clock and the FSB Frequency.

C1E Support

Select Enabled to enable Enhanced
Halt State support. C1E significantly
reduces the CPU's power
consumption by reducing the CPU's
clock cycle and voltage during a
Halt State.

Enabled
Disabled

Hardware
Prefetcher
(Available when
supported by the
CPU)

If set to Enabled, the hardware
prefetcher will prefetch streams of
data and instructions from the main
memory to the L2 cache to improve
CPU performance.

Enabled
Disabled

Adjacent Cache
Line Prefetch
(Available when
supported by the
CPU)

The CPU prefetches the cache line
for 64 bytes if this feature is set to
Disabled.
The CPU will prefetch both cache
lines for 128 bytes as comprised if
this feature is set to Enabled.

Enabled
Disabled

MPS and ACPI
MADT Ordering

This feature allows the user to
configure the MPS (Multi-Processor
Specifi cations) and ACPI settings
for the main board. Select Modern
Ordering if you are using XP or a
newer version of the Windows OS.
Select Legacy Ordering if you are
using 2000 or an earlier version of
the Windows OS.

Modern
Ordering
Legacy
Ordering