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S1854 Trinity 400
47
Chipset Features Setup - Default Settings Chart
Memory Hole
This option specifies the location of an area of memory that cannot be
addressed on the ISA bus. The settings are Disabled, 512KB-64KB, or 15MB-
16MB.
P2C/C2P Concurrency
By enabling this function the PCI/AGP Master to CPU Cycle can be concur-
rent if the Host CPU is performing R/W access to the PCI or slave devices.
Fast Read Write turn-around
If Enabled, it reduces the turn around time for a memory read is followed by a
memory write consecutively.
CPU IOQ Size
This setting controls the In Order Que of the CPU with the chipset, setting it
to higher levels yields higher performace, although system may become
unstable. Default is set to 1 Level.
System BIOS Cacheable
If Enabled, results in better system performance by permitting caching of the
system BIOS ROM at F0000h-FFFFFh. Any program which tries to write to this
memory area, however, may cause a system error.
BIOS
Setting Option BIOS Default Setup Default
Bank 0/1 DRAM Timing SDRAM 10ns SDRAM 10ns
Bank 2/3 DRAM Timing SDRAM 10ns SDRAM 10ns
Bank 4/5 DRAM Timing SDRAM 10ns SDRAM 10ns
SDRAM Cycle Length 3 3
DRAM Clock Host CLK 33M Host CLK-33M
Memory Hole Disabled Disabled
P2C/C2P Concurrency Enabled Enabled
Fast R-W Turn Around Disabled Enabled
CPU IOQ Size 1 Level 1 Level
System BIOS Cacheable Disabled Enabled
Video RAM Cacheable Disabled Enabled
AGP Aperture Size 64M 64M
AGP Driving Control Manual Manual
AGP Driving Value EC EC
AGP-4x Mode Disabled Disabled
OnChip USB Enabled Enabled
USB Keyboard Support Disabled Disabled
Auto Detect DIMM/PC2 CLK Enabled Disabled
CPU Clock/Spread Spectrum Default Default