EPOX EP-3VBM+, Manual, Page: 34 / 71

BIOS
EP-3VBM+
Page 4-10
Read Around write:
DRAM optimization feature: If a memory read is addressed to a location
whose latest write is being held in a buffer contents, and the read is not sent to
the DRAM.
The Choice: Enabled, Disabled
Concurrent PCI/Host:
When disabled, CPU bus will be occupied during the entire PCI operation
period.
The Choice: Enabled, Disabled
System BIOS Cacheable:
As with caching the Video BIOS above, enabling this selection allows accesses
to the system BIOS ROM addressed at F0000H-FFFFFH to be cached,
provided that the cache controller is enabled.
The Choice: Enabled, Disabled.
Video BIOS Cacheable:
When enabled. The Video BIOS cache will cause access to video BIOS
addressed at C0000H to C7FFFH to be cached, if the cache controller is also
enabled
The Choice: Enabled, Disabled.
Video RAM Cacheable:
Select enabled allows caching of the video RAM, resulting in better system
performance. However, if any program writes to this memory area, a system
error may result.
The Choice: Enabled, Disabled.
AGP Aperture Size:
The amount of system memory that the AGP card is allowed to share.
The default is 64.
4: 4MB of systems memory accessable by the AGP card.
8: 8MB of systems memory accessable by the AGP card.
16: 16MB of systems memory accessable by the AGP card.
32: 32MB of systems memory accessable by the AGP card.
64: 64MB of systems memory accessable by the AGP card.
128: 128MB of systems memory accessable by the AGP card.
256: 256MB of systems memory accessable by the AGP card.