Biostar U8668 U8668 BIOS setup guide - Page 14

CPU & PCI Bus Control

Page 14 highlights

BIOS Setup AGP Mode This item allows you to select the AGP Mode. The Choices: 4X (default), 2X, 1X. AGP Driving Control By choosing "Auto" the system BIOS will the AGP output Buffer Drive strength P Ctrl by AGP Card. By choosing "Manual", it allows user to set AGP output Buffer Drive strength P Ctrl by manual. The Choices: Auto (default), Manual. AGP Driving Value While AGP driving control item set to "Manual", it allows user to set AGP driving. The Choices: DA (default). AGP Fast Write The Choices: Enabled, Disabled (default). AGP Master 1 WS Write When Enabled, writes to the AGP (Accelerated Graphics Port) are executed with one wait states. The Choices: Disabled (default), Enabled. AGP Master 1 WS Read When Enabled, read to the AGP (Accelerated Graphics Port) are executed with one wait states. The Choices: Disabled (default), Enabled. CPU & PCI Bus Control If you highlight the literal "Press Enter" next to the "CPU & PCI Bus Control" label and then press the enter key, it will take you a submenu with the following options: CPU to PCI Write Buffer When enabled, up to four Dwords of data. Can be written to the PCI bus without interrupting the CPU. When disabled, a write buffer is not used and the CPU read cycle will not be completed until the PCI bus signals that it is ready to receive the data. The Choices: Enabled (default), Disabled. PCI Master 0 WS Write When Enabled, writes to the PCI bus are executed with zero-wait states. The Choices: Enabled (default), Disabled. - 13 -

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BIOS Setup
- 13 -
AGP Mode
This item allows you to select the AGP Mode.
The Choices: 4X
(default), 2X, 1X.
AGP Driving Control
By choosing “Auto” the system BIOS will the AGP output Buffer Drive
strength P Ctrl by AGP Card. By choosing “Manual”, it allows user to
set AGP output Buffer Drive strength P Ctrl by manual.
The Choices: Auto
(default), Manual.
AGP Driving Value
While AGP driving control item set to “Manual”, it allows user to set
AGP driving.
The Choices: DA
(default).
AGP Fast Write
The Choices:
Enabled,
Disabled
(default).
AGP Master 1 WS Write
When Enabled, writes to the AGP (Accelerated Graphics Port) are
executed with one wait states.
The Choices: Disabled
(default), Enabled.
AGP Master 1 WS Read
When Enabled, read to the AGP (Accelerated Graphics Port) are
executed with one wait states.
The Choices: Disabled
(default), Enabled.
CPU & PCI Bus Control
If you highlight the literal “Press Enter” next to the “CPU & PCI Bus Control”
label and then press the enter key, it will take you a submenu with the following
options:
CPU to PCI Write Buffer
When enabled, up to four Dwords of data. Can be written to the PCI
bus without interrupting the CPU. When disabled, a write buffer is not
used and the CPU read cycle will not be completed until the PCI bus
signals that it is ready to receive the data.
The Choices: Enabled
(default), Disabled.
PCI Master 0 WS Write
When Enabled, writes to the PCI bus are executed with zero-wait
states.
The Choices: Enabled
(default), Disabled.