IBASE IB827 - Manual (Page 37)

BIOS SETUP
IB827 User’s Manual 33
Precharge Delay (tRAS)
The default setting for the Precharge Delay is Auto.
System Memory Frequency
The default setting is Auto.
SLP_S4# Assertion Width
The default setting is 4 to 5 Sec.
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.
On-Chip VGA Setting
The fields under the On-Chip VGA Setting and their default settings are:
On-Chip Frame Buffer Size: 8MB
DVMT Mode: DVMT
DVMT/Fixed Memory Size: 128MB
SDVO Device Setting: None
SDVO LCDS Protocol: 1 Ch SPGW 18 bit
SDVO Panel Number: 1024x768
Boot Display: CRT
Panel Scaling: Auto
The options under the SDVO LCDS Protocol field include:
1 Ch SPGW 18 bit
2 Ch SPGW 18 bit
1 Ch OpenLDI 18 bit
2 Ch OpenLDI 18 bit
1 Ch SPGW 24 bit
2 Ch SPGW 24 bit
1 Ch OpenLDI 24 bit
2 Ch OpenLDI 24 bit