Gigabyte GA-486AM User Manual page 32

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Auto Configuration
The default value is Enabled.
Enabled To Enable auto configuration function.
Disabled To Disable auto configuration function.
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AT Bus Clock
The default value is PCICLK/4.
PCICLK/2 For 40 MHz system.
PCICLK/3 For 25 MHz system.
PCICLK/4 For 33 MHz system.
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DRAM Read Wait States
The default value is 1 WS.
0WS For 25 MHz system.
1WS For 33 MHz system.
2WS For 40 MHz system.
3WS
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DRAM Write Wait States
The default value is 1 WS.
0WS For 25 MHz system.
1WS For 33 MHz system.
2WS For 40 MHz system.
3WS
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Cache Burst Read
Cache Burst Read cycle can be set to 2-1-1-1 or 2-2-2-2 or 3-1-1-1 or 3-2-2-2.
The default value is 2-1-1-1.
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Internal Cache WB / WT
The default value is Write Through.
Write Thru Using write through for the configuration of CPU internal cache.
Write Back Using write back for the configuration of CPU internal cache.
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External Cache WB / WT
The default value is Write Back.
Write Thru Using write through for the configuration of external cache.
Write Back Using write back for the configuration of external cache.
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System BIOS Cacheable
The default value is Cacheable.
Cacheable Cache and Shadow system BIOS.
Non-cacheable Shadow system BIOS only.
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Video BIOS Cacheable
The default value is Cacheable.
Cacheable Cache and Shadow video BIOS.
Non-cacheable Shadow video BIOS only.
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BIOS Configuration