Chapter 2, Important – MSI Z68A-GD80 (G3) Manual User Manual

Page 58

Advertising
background image

2-12

BIOS Setup

MS-7672

Chapter 2

BIOS Setup

MS-7672

Chapter 2

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 Channel 1/ 2 Tmng Configuraton

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

for each channel.

Spread Spectrum

Ths functon reduces the EMI (Electromagnetc Interference) generated by modulatng

clock generator pulses.

Important

If you do not have any EMI problem, leave the settng at [Dsabled] for optmal system

stablty and performance. But f you are plagued by EMI, select the value of Spread

Spectrum for EMI reducton.
The greater the Spread Spectrum value s, the greater the EMI s reduced, and the

system wll become less stable. For the most sutable Spread Spectrum value, please

consult your local EMI regulaton.
Remember to dsable Spread Spectrum f you are overclockng because even a slght

jtter can ntroduce a temporary boost n clock speed whch may just cause your over-

clocked processor to lock up.

VDroop Control

Load lne droop controls the stream of current to the CPU.

[Auto]

Automatcally sets values for maxmum stablty.

[Low VDroop]

Provdes less fluctuaton (better for overclockng).

Advertising