TYAN S1846 - Page 44

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44
Chapter 4
BIOS Configuration
Cache Bus ECC
When Enabled, this option permits ECC error checking on the L2 cache bus.
This ensures that cached data is not improperly altered. The settings are
Enabled or Disabled. The Optimal and Fail-safe default settings are Enabled.
Default Primary Video
For systems which have both AGP and PCI VGA cards, you may select one as
the primary video card. The settings are AGP or PCI.
C000,16K Shadow and C400,16K Shadow
These options specify how the 32 KB of video ROM at C0000h is treated. The
settings are:
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C800,16K Shadow; CC00,16K Shadow; D000,16K Shadow; D400,16K
Shadow; D800, 16K Shadow; and DC00,16K Shadow
These options enable shadowing of the contents of the ROM area named in
the option. The ROM area not used by ISA adapter cards is allocated to PCI
adapter cards. The settings are:
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The Optimal and Fail-safe default settings are Disabled.