Chapter 3 – MSI P67A-GD65 (B3) Manual User Manual

Page 49

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BIOS Setup

MS-7681

Chapter 3

3-9

BIOS Setup

MS-7681

Chapter 3

tRP

Ths settng controls the number of cycles for Row Address Strobe (RAS) to be

allowed to precharge. If nsufficent tme s allowed for the RAS to accumulate ts

charge before DRAM refresh, refreshng may be ncomplete and DRAM may fal

to retan data. Ths tem apples only when synchronous DRAM s nstalled n the

system.

tRAS

Ths settng determnes the tme RAS takes to read from and wrte to memory cell.

tRFC

Ths settng determnes the tme RFC takes to read from and wrte to a memory

cell.

tWR

Mnmum tme nterval between end of wrte data burst and the start of a precharge

command. Allows sense amplfiers to restore data to cells.

tWTR

Mnmum tme nterval between the end of wrte data burst and the start of a col-

umn-read command. It allows I/O gatng to overdrve sense amplfiers before read

command starts.

tRRD

Specfies the actve-to-actve delay of dfferent banks.

tRTP

Tme nterval between a read and a precharge command.

tFAW

Ths tem s used to set the tFAW (four actvate wndow delay) tmng.

tWCL

Ths tem s used to set the tWCL (Wrte CAS Latency) tmng.

tCKE

Ths tem s used to set the tCKE tmng.

Advanced Channel 1/ 2 Tmng Configuraton

Press <Enter> to enter the sub-menu. And you can set the advanced memory tmng

for each channel.

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

These tems s used to set the memory tmngs for memory channel 1/ 2.

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