BIOS Configuration
Chipset Features Setup
41
AGP Driving Value:
When the previous item AGP Driving Control
is set to Manual, you can u se this item to set the AGP current driving
value. The default is “DA.”
K7 CLK_CTL Select:
This item adjusts the CPU clock to match the
internal clock. The default is “Optimal.”
OnChip USB:
This should be enabled if your system has a USB in-
stalled on the system board and you wish to use it. The default is
“Enabled.”
USB Keyboard Support:
Enables function when the USB keyboard
is being used. Disabled (default) when an AT keyboard is used.
OnChip Sound:
When set to “Disable,” the onboard audio chip is
turned off. The default is “Auto.”
OnChip Modem:
This should be enabled if your system has a mo-
dem installed on the system board and you wish to use it. The default
is “Auto.”
CPU to PCI Write Buffer:
When enabled, up to four words 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 default is “Enabled.”
PCI Dynamic Bursting:
When enabled, every write transaction goes
to the write buffer. “Burstable” transactions then burst on the PCI bus
and “nonburstable” transactions do not. The default is “Enabled.”
PCI Master 0 WS Write:
When enabled, writes to the PCI bus are
executed with zero wait states. The default is “Enabled.”
PCI Delay Transaction:
The chipset has an embedded 32-bit posted
write buffer to support delay transactions cycles. Enable to support
compliance with PCI specification version 2.1. The default is “En-
abled.”
PCI#2 Access #1 Retry:
When enabled, the AGP Bus (PCI#1) ac-
cess to PCI Bus (PCI#2) is executed with the error retry feature. The
default is “Enabled.”
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