MSI Z77A-G45 manual Chapter

Page 55

MS-7752

tRP

Controls number of cycles for RAS (row address strobe) to be allowed to pre-charge. If insufficient time is allowed for RAS to accumulate before DRAM refresh, the DRAM may fail to retain data. This item applies only when synchronous DRAM is installed in the system.

tRAS

Determines the time RAS (row address strobe) takes to read from and write to mem- ory cell.

tRFC

This setting determines the time RFC takes to read from and write to a memory cell.

tWR

Determines minimum time interval between end of write data burst and the start of a pre-charge command. Allows sense amplifiers to restore data to cell.

tWTR

Determines minimum time interval between the end of write data burst and the start of a column-read command; allows I/O gating to overdrive sense amplifies before read command starts.

tRRD

Specifies the active-to-active delay of different banks.

tRTP

Time interval between a read and a precharge command.

tFAW

This item is used to set the tFAW (four activate window delay) timing.

tWCL

This item is used to set the tWCL (Write CAS Latency) timing.

tCKE

This item is used to set the Pulse Width for DRAM module.

tRTL

This item is used to set Round Trip Latency settings.

Advanced Channel 1/ 2 Timing Configuration

Press <Enter> to enter the sub-menu. And you can set the advanced memory timing for each channel.

GT OverClocking

This item allows you to enable/ disable the overclocking of integrated graphics.

GT Ratio

This setting controls the ratio of integrated graphics frequency to enable the integrated graphics to run at different frequency combinations.

Adjusted GT Frequency

It shows the iGPU frequency. Read-only.

Chapter 2

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Contents MS-7752 v1.x Mainboard Z77A-G45/ Z75A-G45 seriesCopyright Notice Preface FCC-B Radio Frequency Interference Statement Bsmi EMI 聲明 Weee Waste Electrical and Electronic Equipment Statement Español Türkçe Contents Appendix a Realtek Audio Getting Started Optional Accessories Packing ContentsChapter Assembly PrecautionsProcessor Support Mainboard SpecificationsForm Factor Connectors Quick Guide JUSB4 Connectors Reference GuideLAN Back Panel Quick GuideLAN Introduction to the LGA 1155 CPU CPU Central Processing UnitCPU & Cooler Installation Page Mainboard Hook Mounting Screw Holes JPWR1 ATX 24-pin Power Connector Power SupplyJPWR2 ATX 8-pin Power Connector Memory Dual -Channel mode Population RuleInstalling Memory Modules PCIe Peripheral Component Interconnect Express Slot Expansion SlotsVideo/ Graphics Cards Single Video Card InstallationAMD CrossFire Multi -GPU Technology Chapter Nvidia SLI Technology Choose this item SATA1~6 Sata Connector Internal ConnectorsCPUFAN,SYSFAN1~4 Fan Power Connectors JAUD1 Front Panel Audio Connector JFP1, JFP2 Front Panel ConnectorsJUSB4 USB 3.0 Expansion Connector JUSB1~3 USB 2.0 Expansion ConnectorsJTPM1 TPM Module connector JCI1 Chassis Intrusion ConnectorJTURBO1 MultiConnect Panel Connector optional JDLED3 Voice Genie Connector optionalJCOM1 Serial Port Connector FV1 Voltage Checkpoints Connector optional JBAT1 Clear Cmos Jumper JumpersCpuphase LEDs LED Status IndicatorsBios Setup Entering Press DEL key to enter Setup Menu, F11 to enter Boot MenuOverview Boot device priority bar Sub-Menu OperationGeneral Help System Status SettingsPcie GEN3 AdvancedPEG Occurred Save & Exit BootBios Setup Eist Page Chapter Page MEMORY-Z Page ECO Browser Installing WinkiUtilities Page Updating the Bios with Live Update Security Chapter Page Realtek Audio Installation for Windows Installing the Realtek HD Audio DriverSoftware panel overview Software ConfigurationAuto popup dialog Ix a Append Hardware Default SettingBackpanel audio jacks to 8-channel speakers diagram Intel RAID Introduction Ix B Append Using Intel Rapid Storage Technology Option ROMXXX.X GB RAID array by using the upper arrow XXXX-XXXXXXXX Press Y key to accept the volume deletion XXXX-XXXXXXXX Recovery Volume Options Installing Driver Ix B Append Main Menu Degraded RAID ArrayIx B Append System Acceleration optional Ix B Append Disk Port RST Synchronization optional