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BIOS Setup

MS-7673

Chapter 3

3-9

BIOS Setup

MS-7673

Chapter 3

tRP

Ths settng controls the number of cycles for Row Address Strobe (RAS) to be

allowed to precharge. If nsu󰘲cent tme s allowed for the RAS to accumulate ts

charge before DRAM refresh, refreshng may be ncomplete and DRAM may fal

to retan data. Ths tem apples only when synchronous DRAM s nstalled n the

system.

tRAS

Ths settng determnes the tme RAS takes to read from and wrte to memory cell.

tRFC

Ths settng determnes the tme RFC takes to read from and wrte to a memory

cell.

tWR

Mnmum tme nterval between end of wrte data burst and the start of a precharge

command. Allows sense ampl󰘰ers to restore data to cells.

tWTR

Mnmum tme nterval between the end of wrte data burst and the start of a col

umn-read command. It allows I/O gatng to overdrve sense ampl󰘰ers before read

command starts.

tRRD

Spec󰘰es the actve-to-actve delay of d󰘯erent banks.

tRTP

Tme nterval between a read and a precharge command.

tFAW

Ths tem s used to set the tFAW (four actvate wndow delay) tmng.

tWCL

Ths tem s used to set the tWCL (Wrte CAS Latency) tmng.

tCKE

Ths tem s used to set the tCKE tmng.

Advanced Channel 1/ 2 Tmng Con󰘰guraton

Press <Enter> to enter the sub-menu. And you can set the advanced memory tmng

for each channel.

tRRDR/ tRRDD/ tWWDR/ tWWDD/ tRWDRDD/ tWRDRDD/ tRWSR

These tems s used to set the memory tmngs for memory channel 1/ 2.

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MSI P67A-C45 series User Manual

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