ASRock Z77 Pro4 manual Installation of Memory Modules Dimm, Dual Channel Memory Configuration

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2.5 Installation of Memory Modules (DIMM)

This motherboard provides four 240-pin DDR3 (Double Data Rate 3) DIMM slots, and supports Dual Channel Memory Technology. For dual channel config- uration, you always need to install identical (the same brand, speed, size and chip-type) DDR3 DIMM pair in the slots: You have to install identical DDR3 DIMMs in Dual Channel A (DDR3_A1 and DDR3_B1; Black slots; see p.13 No. 5) or identical DDR3 DIMMs in Dual Channel B (DDR3_A2 and DDR3_ B2; Black slots; see p.13 No. 6), so that Dual Channel Memory Technology can be activated. This motherboard also allows you to install four DDR3 DIMMs for dual channel configuration, please install identical DDR3 DIMMs in all four slots. You may refer to the Dual Channel Memory Configuration Table below.

Dual Channel Memory Configuration

 

DDR3_A1

DDR3_A2

DDR3_B1

DDR3_B2

 

(Black Slot)

(Black Slot)

(Black Slot)

(Black Slot)

(1)

Populated

-

Populated

-

(2)

-

Populated

-

Populated

(3)*

Populated

Populated

Populated

Populated

 

 

 

 

 

*For configuration (3), please install identical DDR3 DIMMs in all four slots.

1.If you want to install two memory modules, for optimal compatibility and reliability, it is recommended to install them in the slots: DDR3_ A1 and DDR3_B1, or DDR3_A2 and DDR3_B2.

2.If only one memory module or three memory modules are installed in the DDR3 DIMM slots on this motherboard, it is unable to activate Dual Channel Memory Technology.

3.If a pair of memory modules is NOT installed in the same Dual Channel, for example, installing a pair of memory modules in DDR3_A1 and DDR3_A2, it is unable to activate Dual Channel Memory Technology.

4.It is not allowed to install a DDR or DDR2 memory module into DDR3 slot; otherwise, this motherboard and DIMM may be dam- aged.

5.Some DDR3 1GB double-sided DIMMs with 16 chips may not work on this motherboard. It is not recommended to install them on this motherboard.

6.For optimal compatibility and stability while overclocking memory frequency, it is recommended to install one memory module in DDR3_B2 slot or two memory modules in DDR3_A2 and DDR3_B2 slots.

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Contents Z77 Pro4 Copyright Notice DisclaimerContents Uefi Setup Utility Package Contents IntroductionSpecifications USB3.0 AudioRear Panel I/O Unique Feature Support CDCertifications HardwareMonitor Page Page Page Motherboard Layout Table for Audio Output Connection I/O PanelLAN Port LED Indications Page Pre-installation Precautions Screw HolesCPU Installation Page Installation of CPU Fan and Heatsink Installation of Memory Modules Dimm Dual Channel Memory ConfigurationInstalling a Dimm Installing an expansion card Expansion Slots PCI and PCI Express SlotsInstalling Two CrossFireXTM-Ready Graphics Cards CrossFireXTM and Quad CrossFireXTM Operation GuideCrossFire Bridge For Windows 7 / VistaTM OS Driver Installation and SetupFor Windows XP OS Page Dual Monitor and Surround Display Features Dual Monitor FeatureSurround Display Feature For Windows XP / XP 64-bit OSHdcp Function What is HDCP?For Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS ASRock Smart Remote Installation Guide CIR sensors in different anglesJumpers Setup DescriptionOnboard Headers and Connectors USB 3.0 Header Besides two default USB System Panel Header Chassis Speaker Header Please connect the chassis ATX Power Connector ATX 12V Power Connector Please connect an ATXSerial port Header Serial ATA Sata / Serial ATA2 SATA2 Hard Disks Installation Serial ATA3 SATA3 Hard Disks InstallationWhat is Hot Plug Function? What is Hot Swap Function?Hot Plug and Hot Swap Functions for Sata / SATA2 HDDs Hot Plug and Hot Swap Functions for SATA3 HDDsPoints of attention, before you process the Hot Plug How to Hot Plug a Sata / SATA2 / SATA3 HDD Use RAID Installation Guide to set RAID configuration Driver Installation GuideSet up Uefi Installing Windows XP / XP 64-bit Without RAID Functions Install Windows XP / XP 64-bit OS on your systemPage Introduction Uefi Menu BarNavigation Keys Main ScreenNavigation Keys + / Tab Enter Pgup Pgdn Home F10 F12OC Tweaker Screen Long Duration Power Limit Short Duration Power LimitDram Timing Configuration Load XMP Setting Intel Turbo Boost TechnologyCommand Rate CR Dram Timing Control Dram tCLDram tRCD Dram tRPMRC Fast Boot Voltage Configuration CPU Core VoltageDram tRTP Dram tFAWUser Defaults Advanced Screen Instant FlashCPU Configuration Adjacent Cache Line Prefetch Intel Virtualization TechnologyHardware Prefetcher North Bridge Configuration South Bridge Configuration IntelR Rapid Start Technology IntelR Rapid Start TechnologyIntelR Smart Connect Technology IntelR Smart Connect TechnologyStorage Configuration Page Super IO Configuration Serial PortSerial Port Address Infrared PortAcpi Configuration USB Configuration USB 2.0 ControllerUSB 3.0 Controller Legacy USB SupportCPU Fan 1 & 2 Setting Chassis Fan 1 SettingChassis Fan 2 Setting Over Temperature ProtectionBoot Screen Security Screen Exit Screen Software Support Installing OS on a HDD Larger Than 2TB in Ahci Mode Installing OS on a HDD Larger Than 2TB in RAID Mode Windows VistaTM 64-bit Page Windows 7 64-bit
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