MSI CX500 User Manual - Page 77

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4-7 BIOS Setup Main Advanced BISO SETUP UTILITY Security Boot Exit Intel (R) Speedstep (tm) PCI Latency Timer Legacy USB Support [Enabled] [64] [Enabled] 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 conserve power mode (the processor works at FSB400-600MHz or FSB533-800MHz). 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. :Select Screen :Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F9: Optimized Default F4: Save Main Advanced BISO SETUP UTILITY Security Boot Exit Intel (R) Speedstep (tm) PCI Latency Timer Legacy USB Support AHCI [Enabled] [64] [Enabled] [Enabled] 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. :Select Screen :Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F9: Optimized Default F4: Save optional figures Š Legacy USB Support Selecting Enabled allows users to use USB devices, such as mouse, keyboard, or portable disk, in DOS system; or allows users to boot the system by USB device. Setting options: Enabled, Disabled and Auto.

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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 conserve power
mode (the processor works at FSB400-600MHz or FSB533-800MHz).
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
.
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
.
Legacy USB Support
Selecting
Enabled
allows users to use USB devices, such as mouse,
keyboard, or portable disk, in DOS system; or allows users to boot the
system by USB device.
Setting options:
Enabled
,
Disabled
and
Auto
.
optional figures
Intel
(R) Speedstep (tm)
Legacy USB Support
PCI Latency Timer
[Enabled]
[
]
Enabled
[64]
Main
Advanced
Security
Boot
Exit
Enter:
+/-:
F1:
F2:
F9:
F4:
Select
Change Opt.
General Help
Previous Values
Optimized Default
Save
:Select Screen
:Select Item
BISO SETUP UTILITY
Intel
(R) Speedstep (tm)
Legacy USB Support
PCI
Timer
Latency
[Enabled]
[
]
Enabled
[64]
Main
Advanced
Security
Boot
Exit
Enter:
+/-:
F1:
F2:
F9:
F4:
Select
Change Opt.
General Help
Previous Values
Optimized Default
Save
:Select Screen
:Select Item
BISO SETUP UTILITY
AHCI
[
]
Enabled