ICP DAS USA SAGP-845EV - Manual (Page 40)

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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.
The choice: Enabled, Disabled.
Video BIOS Cacheable
Select Enabled allows caching of the video BIOS , resulting in better
system performance. However, if any program writes to this memory
area, a system error may occur.
The Choice: Enabled, Disabled.
Memory Hole At 15M-16M
This area of system memory can be reserved for ISA adapter ROM.
When this area is reserved, it cannot be cached. The user information of
peripherals that requests this area of system memory usually discusses
their memory requirements.
The Choice: Enabled, Disabled.
Delay Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select Enabled to support compliance with PCI
specification version 2.1.
The Choice: Enabled, Disabled.
AGP Aperture Size (MB)
Select the on-chip video window size for VGA drive use.
The Choice: 4MB, 8MB, 16MB, 32MB, 64MB, 128MB, 256MB
On-chip VGA
Enabled/Disabled On-chip VGA
Flash BIOS
Disabled/Enabled Flash BIOS