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BIOS Setup Utility
SY-P4I845PEISA/GEISA
54
CHIPSET FEATURES SETUP (Continue)
Setting Description Note
Disabled Default
Memory
Hole At
15M-16M
Enabled
When enabled this area in memory is
forwarded to the ISA Bus. Any ISA
option ROMs that require memory
address space will end up here. If this
option is disabled, this area can be
used as normal memory.
Disabled
Delayed
Transaction
Enabled
This item allows you to control Delay
Transaction for thermal temp.
Default
4Min
8Min
16Min Default
Delay Prior
to Thermal
32Min
Set the time for the system to decrease
performance to avoid reaching
maximum thermal temp. Ex. If you set
it to 16 minutes the system will start
decreasing the performance 16 minutes
before reaching max thermal temp.
256M
128M
64M Default
AGP
Aperture
Size (MB)
32M
Select the size of Accelerated Graphics
Port (AGP) aperture. The aperture is a
portion of the PCI memory address
range dedicated for graphics memory
address space. Host cycles that hit the
aperture range are forwarded to the
AGP without any translation.
Below two items only appeared on P4I845GEISA chipset
Setting Description Note
Disable
d
On-Chip
VGA
Enabled
This item allows you to
Disabled/Enabled On-Chip VGA.
Default
1 MB
On-Chip
Frame Buffer
Size
8 MB
This item allows you to select the
amount of main memory that is
pre-allocated to support the internal
Default