Gigabyte GA-6SMM7 User Manual page 16

SDRAM WR Retire Rate
The default value is X-1-1-1
X-1-1-1 Set SDRAM WR Retire Rate to X-1-1-1.
X-2-2-2 Set SDRAM WR Retire Rate to X-2-2-2.
CPU to PCI Burst Mem. WR
The default value is Enabled
Enabled Enabled CPU to PCI Burst Mem. WR.
Disabled Disabled this function.
System BIOS Cacheable
The default value is Enabled.
Enabled Enable System BIOS cacheable.
Disabled Disable System BIOS cacheable.
Video RAM Cacheable
The default value is Enabled.
Enabled Enable video RAM cacheable.
Disabled Disable video RAM cacheable.
Memory Hole At 15M-16M
The default value is Disabled.
Disabled Normal Setting.
Enabled Set Address=15~16MB remap to ISA BUS.
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BIOS Configuration