MSI MS-6580-060 User Guide - Page 62

Flash Protection, System BIOS Cacheable, C000, 32k Shadow, Option, Description - bios update

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Page 62 highlights

MS-6580 ATX Mainboard Flash Protection This function protects the BIOS from accidental corruption by unauthorized users or computer viruses. When enabled, the BIOS data cannot be changed when attempting to update the BIOS with a Flash utility. To successfully update the BIOS, you'll need to disable this Flash protection function. Setting options: Enabled, Disabled. System BIOS Cacheable Selecting Enabled allows caching of the system BIOS ROM at F0000hFFFFFh, resulting in better system performance. However, if any program writes to this memory area, a system error may result. Setting options: Enabled, Disabled. C000, 32k Shadow This item specifies how the contents of the adapter ROM named in the item are handled. Settings are described below: Option Disabled Enabled Cached Description The specified ROM is not copied to RAM. The contents of specified ROM are copied to RAM for faster system performance. The contents of specified ROM are not only copied to RAM, the contents of the ROM area can be written to and read from cache memory. 3-12

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3-12
MS-6580 ATX Mainboard
Flash Protection
This function protects the BIOS from accidental corruption by unauthorized
users or computer viruses.
When enabled, the BIOS data cannot be changed
when attempting to update the BIOS with a Flash utility.
To successfully
update the BIOS, you’ll need to disable this Flash protection function.
Set-
ting options:
Enabled, Disabled
.
System BIOS Cacheable
Selecting
Enabled
allows caching of the system BIOS ROM at F0000h-
FFFFFh, resulting in better system performance. However, if any program
writes to this memory area, a system error may result. Setting options:
Enabled,
Disabled
.
C000, 32k Shadow
This item specifies how the contents of the adapter ROM named in the item
are handled. Settings are described below:
Option
Description
Disabled
The specified ROM is not copied to RAM.
Enabled
The contents of specified ROM are copied to RAM
for faster system performance.
Cached
The contents of specified ROM are not only copied
to RAM, the contents of the ROM area can be writ-
ten to and read from cache memory.