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The maximum disabled shadow memory size is 64KB. You
can reach a 64KB size only if you set the disabled shadow
memory base to COOOOH or DOOOOH. Selecting the other
Disable Shadow Memory Base settings causes the
Disable Shadow Memory Size to be smaller.
Base Memory Size
You can select a base memory size of either 640KB or 512KB.
The default setting is 640KB.
IDE DMA Transfer Mode
You can choose from three types of IDE DMA transfers:
Standard (compatible), Type B, or Type F. You should
select Type F because it is the fastest mode, but not all hard
drives support this mode. For information about supported
transfer modes, see the documentation that came with your
hard disk drive. The default setting is Disabled.
IDE Multiple Sector Mode
This option is tied to the previous option, IDE DMA
Transfer Mode.
The
setting programs
the IDE DMA cycles to
transfer multiple sectors per burst. You can select 1, 2, 4, 8, 16,
32, or 64 S/B (sectors per burst). If you select 64 S/B, you will
be assured of the maximum burst size supported by the drive
installed in the system. The default setting is Disabled.
Enhanced ISA LBA Translators
This option enables or disables the ISA logical block address
translators. If you install an IDE hard disk drive that has a
capacity greater than 512MB, enable this option. The default
setting is Disabled.
2-10 Running the Setup Program