
Award BIOS Setup Program
27
C. System BIOS Cacheable
Enabling this function 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. Caching the system BIOS results
in better performance than shadowing the system BIOS as discussed in Section
3-2.
D. Memory Hole at 15MB Addr.
Enabling this feature will reserve the 15MB to 16MB memory address space for
ISA expansion cards. However, enabling this function will result in not allowing
the system to have access to memory above 16MB. Please note that some
expansion cards require this setting to be enabled. The default setting is Disabled.
E. AGP
This function must be enabled when using an AGP card. If you disable this function
you can still use an AGP card. However, the AGP card will only have PCI card
performance.
F. AGP Aperture Size
This function determines the amount of system memory that is given to the AGP
card. Options range from 4MB to 256MB. This is a dynamic memory allotment
in that the AGP card will only use the amount of memory that it needs. The
remaining memory not in use will be available for the system to use. For example,
if 16MB is alloted to the AGP card and the card only needs 8MB, the remaining
8MB will be available for system use.
G. AGP-2X Mode
Enable this setting to utilize the 2X mode (twice as fast as 1X) offered by advanced
AGP cards. Your VGA card must support 2X mode in order to take advantage
of the faster speed.
H. Flash BIOS Protection
The mainboard manufacturer developed BIOS protection technology that protects
the System BIOS from accidental corruption by unauthorized users or computer
viruses. When enabled, the BIOS data cannot be changed when attempting to update
BIOS with the the FLASH utility. When disabled, the BIOS data can be updated
by using the FLASH utility.
I. System Monitoring and Alerting (Optional)
These optional system health monitoring features are available when an EISCA
v1.0 compliant fan is connected to the Fan 78 connector on your mainboard.
Change the CPU warning temperature according to the specifications of your CPU.
For more information about EISCA fans, see Apendix II of this manual.
Summary of Contents for 5AGM2
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