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EMM386SX.SYS automatically excludes from mapping any
addresses that are reserved for use by your system ROM and
RAM. If you install an option card, such as a network card,
that uses the memory address range C000 through E000,
include the X parameter in the DEVICE= command line to
exclude this memory range from expanded memory
mapping.
For more information about your system’s memory, see
“System Memory Map” in Appendix A.
Using the VGA Utilities
Your built-in VGA (video graphics array) display adapter
supports both standard VGA monitors and multi-frequency
monitors with analog connectors. The VGA adapter operates
in all standard VGA resolutions without requiring any device
drivers. However, if you are using a monitor that supports
extended VGA features, you may want to use one or more of
the device drivers provided on the Utility diskettes that came
with your computer.
You need to install the VGA device drivers if you want to use
extended VGA features such as these:
D
Resolutions up to 800 x 600 in graphics modes with 16
colors
Q
132-column text mode in 16 colors
0
Graphics cursor movement performed by the built-in
VGA hardware.
Enhancing System Operations
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