Abit BX6, User Manual

Page: 41 / 103

Introduction of BIOS 3-19
Passive Release :
Two options are available: Enabled and Disabled. Set the option to enabled or
disabled passive release for the Intel PIIX4 chip (Intel PCI to ISA bridge).
This function is used to meet the latency of the ISA bus master, if you have an
ISA card compatibility problem, you can try to enable or disable this option
for optimal result.
Delayed Transaction:
Two options are available: Enabled and Disabled. Set the option to enabled
or disabled delayed transaction for the Intel PIIX4 chip. This function is
used to meet the latency of PCI cycles to or from the ISA bus. This option
must be enabled to provide PCI 2.1 compliance. If you have ISA card
compatibility problem, you can try to enable or disable this option for optimal
result.
AGP Aperture Size (MB):
Seven options are available: 4
è
8
è
16
è
32
è
64
è
128
è
256
è
Back
to 4
. This option specifies the amount of system memory that can be used by
the AGP device. The aperture is a portion of the PCI memory address range
dedicated for graphics memory address space.
Spread Spectrum:
Four options are available: Disable
è
0.50%(CNTR)
è
0.5%(DOWN). For
EMC ( E lectro- M agnetic C ompatibility Test) testing may need to adjust these
options for optimal result, we do not recommend you change the default,
except for special reasons. Some values you select may cause system
instability under some situations, please be careful.
Temperature Warning:
This item lets you select the temperature that you want the system to send out
a warning message of to the PC speakers when the temperature goes beyond
either limit. You can select temperatures you want, they are any from 30
°
C /
86
°
F to 120
°
C / 248
°
F. It lets you increase by one step increments, 1
°
C /
33.8
°
F.