MSI Z77A-GD80 - Manual (Page 64)

2-14
BIOS Setup
tRAS
Determnes the tme RAS (row address strobe) takes to read from and wrte to mem-
ory cell.
tRFC
Ths settng determnes the tme RFC takes to read from and wrte to a memory
cell.
tWR
Determnes mnmum tme nterval between end of wrte data burst and the start of a
pre-charge command. Allows sense amplfiers to restore data to cell.
tWTR
Determnes mnmum tme nterval between the end of wrte data burst and the start
of a column-read command; allows I/O gatng to overdrve sense amplfies 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 Pulse Wdth for DRAM module.
tRTL
Ths tem s used to set Round Trp Latency settngs.
Advanced Tmng Configuraton
Press <Enter> to enter the sub-menu. And you can set the advanced memory tmng
for each channel.
tRRDR
Specfies the actve-to-actve delay of dfferent ranks on the same DIMM.
tRRDD
Specfies the actve-to-actve delay of dfferent DIMMs.
tWWDR
Specfies the wrte-to-wrte delay of dfferent ranks on the same DIMM.
tWWDD
Specfies the wrte-to-wrte delay of dfferent DIMMs.
tRWDRDD
Specfies the read-to-wrte delay of dfferent ranks on the same/ dfferent DIMM(s).
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