Excalibur PCI Pentium ISA Motherboard User's Guide
69
Chipset Setup
The WinBIOS Setup options described in this section are selected by choosing the appropriate high-level icon from
the Chipset Setup screen. Chipset Setup is selected from the Setup section on the WinBIOS Setup main menu (see
page 59). All displayed icons are described in this section, although the screen display is often all you need to
understand how to set the option.
Base Memory Size
This option sets the size of the base system memory. The settings are
512 KB
or
640 KB.
DRAM Performance Mode
This option sets the DRAM system memory performance mode. The settings are
Standard
or
Enhanced.
The
Standard
setting will have one extra DRAM lead-off wait state.
ISA/DMA Master Performance
This option enables the ISA/DMA master performance mode feature. The settings are
Standard
or
Enhanced.
If
Enhanced
is selected, the ISA and DMA line buffers are enabled.
ISA Performance Mode
This option enables the ISA performance mode feature. The settings are
Standard
or
Enhanced.
If
Enhanced
is
selected, the ISA to PCI posted write buffer is enabled.
ISA VGA Frame Buffer Size
This option must be set to
Enabled
if the VGA card installed in the system requires a frame buffer. This option sets the
size of the VGA frame buffer. The settings are
Disabled, 1 MB, 2 MB,
or
4 MB.
Summary of Contents for Excalibur PCI
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Page 52: ...Chapter 5 AMIBIOS POST 48 ...
Page 60: ...Chapter 5 AMIBIOS POST 56 ...
Page 64: ...Chapter 6 WinBIOS Setup 60 ...
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