SOYO P4X400 specifications Dram Timing/Drive Control, Sdram CAS

BIOS Setup Utility SY-P4X400 DRAGON Lite

DRAM Timing/Drive Control

	Setting	Description	Note
DRAM Timing
	By SPD	If enable the DRAM will auto	Default
	Manual	detect the DRAM timing.
SDRAM CAS
	2.5	When synchronous DRAM is	Default
Latency	2	installed, the number of clock
		cycles of CAS latency
		depends on the DRAM timing.
		Do not reset this field from the
		default value specified by the
		system designer.
Bank Interleave
	Disabled	Increase DRAM performance.	Default
	2 Bank
	4 Bank
Precharge to
	2T	Increase DRAM performance.
Active(Trp)	3T		Default
Active to
	6T	Increase DRAM performance.
Precharge(Tras)	7T		Default
Active to
	3T	Increase DRAM performance.	Default
CMD(Trcd)	2T
DRAM Command	1T Command	Increase DRAM performance.
Rate	2T Command		Default
DRAM Burst Len	4	Increase DRAM performance.	Default
	8

46