MSI FX400 User Manual - Page 94

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BIOS Setup 4-7 Advanced Menu Š Intel(R) SpeedStep(tm) tech. This item allows you to enable or disable Intel SpeedStep technology. When set to Disabled, the system always operates in a conservative power mode. If you want optimize the processor, set this item to Enabled, so that the processor's speed will be controlled by the use of your operating system and applications. Setting options: Enabled, and Disabled. Š AHCI Mode (Advanced Host Controller Interface) Use this item to enable or disable the AHCI Mode. Setting options: Disabled and Enabled. The default setting is Disabled. Š PCI Latency Timer This item controls how long each PCI device can hold the bus before another takes over. When set to higher values, every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth. For better PCI performance, you should set the item to higher values. Setting options: 32, 64, 96, 128, 160, 192, 224, and 248.

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4-7
BIOS Setup
Advanced Menu
Intel(R) SpeedStep(tm) tech.
This item allows you to enable or disable Intel SpeedStep technology.
When set to
Disabled
, the system always operates in a conservative
power mode.
If you want optimize the processor, set this item to
Enabled
,
so that the processor’s speed will be controlled by the use of your
operating system and applications.
Setting options:
Enabled
, and
Disabled
.
AHCI Mode
(Advanced Host Controller Interface)
Use this item to enable or disable the AHCI Mode.
Setting options:
Disabled
and
Enabled
.
The default setting is
Disabled
.
PCI Latency Timer
This item controls how long each PCI device can hold the bus before
another takes over. When set to higher values, every PCI device can
conduct transactions for a longer time and thus improve the effective PCI
bandwidth.
For better PCI performance, you should set the item to higher values.
Setting options:
32, 64, 96, 128, 160, 192, 224,
and
248
.