Biostar M7VKG M7VKG user's manual - Page 43

Shadow Control, Video BIOS Shadow, C8000 - CFFFF Shadow / D0000 - DFFFF Shadow, Anti-Virus Protection

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Chapter2 BIOS Setup Shadow Control If you highlight the literal "Press Enter" next to the "Shadow Control" label and then press the enter key, it will take you a submenu with the following options: Video BIOS Shadow Determines whether video BIOS will be copied to RAM for faster execution. Enabled (default) Optional ROM is shadowed. Disabled Optional ROM is not shadowed. C8000 - CFFFF Shadow / D0000 - DFFFF Shadow Determines whether the optional ROM will be copied to RAM for faster execution. Enabled Optional ROM is shadowed. Disabled (default) Optional ROM is not shadowed. Note : For C8000 - DFFFF option - ROM on PCI BIOS, BIOS will automatically enable the shadow RAM. User does not have to select the item. Anti-Virus Protection This option allows you to choose the VIRUS Warning feature for IDE Hard Disk boot sector protection. If this function is enabled and someone attempt to write data into this area, BIOS will show a warning message on screen and alarm beep. The Choices: Enabled (default), Disabled. CPU L1 Cache This category speeds up memory access. However, it depends on CPU/Chipset design. Enabled (default) Enable cache. Disabled Disable cache. CPU L2 Cache This field allows you to Enable or Disable the CPU's "Level 2" secondary cache. Caching allows better performance. Enabled (default) Enable cache. Disabled Disable cache. CPU L2 Cache ECC Checking This item allows you to enable/disable CPU L2 Cache ECC Checking. The Choices: Enabled (default), Disabled. 2-9

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Chapter2
BIOS Setup
2-9
Shadow Control
If you highlight the literal “Press Enter” next to the “Shadow Control” label and
then press the enter key, it will take you a submenu with the following options:
Video BIOS Shadow
Determines whether video BIOS will be copied to RAM for faster
execution.
Enabled
(default)
Optional ROM is shadowed.
Disabled
Optional ROM is not shadowed.
C8000 - CFFFF Shadow / D0000 - DFFFF Shadow
Determines whether the optional ROM will be copied to RAM for
faster execution.
Enabled
Optional ROM is shadowed.
Disabled
(default)
Optional ROM is not shadowed.
Note
:
For C8000 - DFFFF option - ROM on PCI
BIOS, BIOS
will automatically enable the shadow RAM.
User does not have to
select the item.
Anti-Virus Protection
This option allows you to choose the VIRUS Warning feature for IDE Hard Disk
boot sector protection. If this function is enabled and someone attempt to write
data into this area, BIOS will show a warning message on screen and alarm beep.
The Choices: Enabled
(default),
Disabled.
CPU L1 Cache
This category speeds up memory access. However, it depends on CPU/Chipset
design.
Enabled
(default)
Enable cache.
Disabled
Disable cache.
CPU L2 Cache
This field allows you to Enable or Disable the CPU’s “Level 2” secondary cache.
Caching allows better performance.
Enabled
(default)
Enable cache.
Disabled
Disable cache.
CPU L2 Cache ECC Checking
This item allows you to enable/disable CPU L2 Cache ECC Checking.
The Choices: Enabled
(default), Disabled.