Intel IB850 User Manual page 48

BIOS SETUP
This field sets the frequency of the DRAM memory installed. The default
setting is Auto. The other settings are PC200 and PC266.
System BIOS Cacheable
The setting of Enabled allows caching of the system BIOS ROM at
F000h-FFFFFh, resulting in better system performance. However, if any
program writes to this memory area, a system error may result.
Video BIOS Cacheable
The Setting Enabled allows caching of the video BIOS ROM at
C0000h-F7FFFh, resulting in better video performance. However, if any
program writes to this memory area, a system error may result.
Memory Hole At 15M-16M
In order to improve performance, certain space in memory can be reserved
for ISA cards. This memory must be mapped into the memory space below
16 MB. The choices are Enabled and Disabled.
Delay Prior to Thermal
This field activates the CPU thermal function after the systems boots for
the set number of minutes. The options are 16Min and 64Min.
AGP Aperture Size
The field sets aperture size of the graphics. The aperture is a portion of the
PCI memory address range dedicated for graphics memory address space.
Host cycles that hit the aperture range are forwarded to the AGP without
any translation. The default setting is 128M.
Init Display First
This field allows the system to initialize first the VGA on chip or the
display card on the PCI Slot.
On-Chip VGA
By default, the On-Chip VGA or 875P chipset-integrated VGA is Enabled.
On-Chip Frame Buffer Size
The On-Chip Frame Buffer Size can be set us 1MB, 8MB or 16MB. This
memory is shared with the system memory.
Boot Display
44 IB850 User's Manual