IBASE Technology MB870, User Manual, Page: 45 / 64

BIOS SETUP
MB870 User’s Manual 41
Memory Hole
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 .
Current FSB Frequency
This field indicates the current FSB frequency.
Current DRAM Frequency
This field indicates the current DRAM frequency.
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.
Memory Timing Parameter
This field sets the CAS Latency, TRCD, TRP and TRAS. The default
setting it
Auto .
Onboard SATA chip mode
This field determines the behavior of Serial ATA. The default setting is
SATA mode. Choosing RAID mode enables Serial ATA drives to work
as RAID 0,1.