SOYO SY-P4I845PEISA User Manual

Page 59

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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

Disabled

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

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