Advanced Chipset Configuration Subscreen - Intel PD440FX Product Manual

2
Using the BIOS Setup Program
Advanced Chipset Configuration
Subscreen
This section describes the options in the

Advanced Chipset Configuration subscreen.

Base Memory Size
Sets the size of the base memory. The options
are:
•
512 KB
• •
640 KB (default)
ISA LFB Size
Sets the size of the linear frame buffer. The
options are:
•
Disabled (default)
•
1 MB
•
2 MB
•
4 MB
If this option is set to 1 MB, 2MB, or 4MB, the
ISA LFB Base Address field appears.
30
ISA LFB Base Address
Reports the base address of the LFB. There are
no options.
Video Palette Snoop
Controls the ability of a primary PCI graphics
controller to share a common palette with an ISA
add-in video card. The options are:
• •
Disabled (default)
•
Enabled
†
ISA VGA Write Combining
†
Sets the VGA frame buffer address
(B000h - BFFFh) to the processor's Write
Combined memory type. The options are:
• •
Disabled (default)
•
Enabled
Latency Timer (PCI Clocks)
Sets the length of time (in PCI clocks) an agent
on the PCI bus can hold the bus when another
agent has requested the bus. The options are:
•
Auto Configured (default)
•
Valid numbers between 16 and 128 (in
multiples of 8).