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BIOS SETUP
34 MB896 User’s Manual
DRAM RAS# Precharge
This option sets the number of cycles required for the RAS to accumulate
its charge before the SDRAM refreshes. The default setting for the Active
to Precharge Delay is 4.
Precharge Delay (tRAS)
The default setting for the Precharge Delay is 12.
System Memory Frequency
The default setting is 533MHz.
SLP_S4# Assertion Width
The default setting is 1 to 2 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:
PEG/On Chip VGA Control: Auto
On-Chip Frame Buffer Size: 8MB
DVMT Mode: DVTM
DVMT/Fixed Memory Size: 128MB
Boot Display: Auto
Panel Scaling: Auto
Panel Number: 1024x768 18 bit SC
TV Standard: Off
Video Connector: Automatic
TV Format: Auto