Abit SM5 User Manual page 45

Introduction of BIOS
Shadowing address ranges (C8000-CBFFF Shadow):
Computer
This option allows you to decide if the memory block (BIOS) of an interface
knowledge
card at the address C8000-CBFFF uses the shadow feature or not. If you have
no interface card using this memory block, don' t enable this option.
Shadowing address ranges (CC000-CFFFF Shadow):
This option allows you to decide if the memory block (BIOS) of an interface
card at the address CC000-CFFFF uses the shadow feature or not. If you
have no interface card using this memory block, don' t enable this option.
Shadowing address ranges (D0000-D3FFF Shadow):
This option allows you to decide if the memory block (BIOS) of an interface
card at the address D0000-D3FFF uses the shadow feature or not. If you have
no interface card using this memory block, don' t enable this option.
Shadowing address ranges (D4000-D7FFF Shadow):
This option allows you to decide if the memory block (BIOS) of an interface
card at the address D4000-D7FFF uses the shadow feature or not. If you have
no interface card using this memory block, don' t enable this option.
Shadowing address ranges (D8000-DBFFF Shadow):
This option allows you to decide if the memory block (BIOS) of an interface
card at the address D8000-DBFFF uses the shadow feature or not. If you have
no interface card using this memory block, don' t enable this option.
Shadowing address ranges (DC000-DFFFF Shadow):
This option allows you to decide if the memory block (BIOS) of an interface
card at the address DC000-DFFFF uses the shadow feature or not. If you
have no interface card using this memory block, don' t enable this option.
SHADOW
What is the SHADOW? The BIOS of standard video or interface
cards is stored in ROM, and it is often very slow. With the
Shadow feature, the CPU reads the BIOS on the VGA card and
copies it into RAM. When the CPU runs this BIOS, the operation
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