Portwell WEBS-1108A, Руководство пользователя, Страница: 42 / 74

WEBS-1108A User Manual 42
System BIOS Cacheable
Selecting “Enabled” allows cachi ng of the system BIOS ROM at F0000h- F FFFFh, resulting in better
system performance. However, if any pro-gram writes dat a to this memory area, a system error may
occur.
Video BIOS Cacheable
Selecting Enabled allows caching of the video BIOS ROM at F0000h-FFFFFh, resulting in better video
performance. However, if any program writes to this memory area, a system error may result.
Memory Hole At 15M-16M
Enabling this feature reserves 15 MB to 16 MB memory address sp ace for ISA expansion cards that
specifically require this setting. T his makes me mory from 15 MB and up unavailable to the syste m.
Expansion cards can only access memory up to 16 MB. The default setting is “Disabled”.
On-Chip Frame Buffer Size
The On-Chip Frame Buffer Size can be set as 1MB or 8MB. This memory is shared with the system
memory.
DVMT Mode
Use this field to select the memory to allocate for video memory. The choices are “Fixed”,
“DVMT” and “BOTH”.
DVMT/FIXED Memory Size
Specify the size of DVMT/system memory to allocate for video memory.
Boot Display
Panel Number