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Chapter 4
BIOS Configuration
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DRAM Refresh Rate
This option specifies the interval between refresh signals to DRAM
system memory. The settings are 15.6 us (microseconds), 31.2 us, 62.4
us, 124.8 us, or 249.6 us.
Memory Hole
This option specifies the location of an area of memory that cannot be
addressed on the ISA bus. The settings are Disabled, 512KB-640KB,
or 15MB-16MB.
SDRAM RAS# to CAS# Delay
This option specifies the length of the a inserted between the RAS and
CAS signals of the DRAM system memory access cycle if SDRAM is
installed. The settings are Auto, 2 SCLKs or 3 SCLKs.
SDRAM RAS# Precharge
(CHANGE) This option specifies the length of the RAS precharge part
of the DRAM system memory access cycle when SDRAM system
memory is installed in this computer. The settings are Auto, 2 SCLKs,
or 3 SCLKs.
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Troubleshooting
