ASRock H77 Pro4-M Dram tRP, Dram tRAS, Command Rate CR, Dram tWR, Dram tRFC, Dram tRRD, Dram tWTR

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DRAM tRP

Use this item to change Row Precharge Time (tRP) Auto/Manual setting. The default is [Auto].

DRAM tRAS

Use this item to change RAS# Active Time (tRAS) Auto/Manual setting. The default is [Auto].

Command Rate (CR)

Use this item to change Command Rate (CR) Auto/Manual setting. The default is [Auto].

DRAM tWR

Use this item to change Write Recovery Time (tWR) Auto/Manual setting. The default is [Auto].

DRAM tRFC

Use this item to change Refresh Cyle Time (tRFC) Auto/Manual setting. The default is [Auto].

DRAM tRRD

Use this item to change RAS to RAS Delay (tRRD) Auto/Manual setting. The default is [Auto].

DRAM tWTR

Use this item to change Write to Read Delay (tWTR) Auto/Manual setting. The default is [Auto].

DRAM tRTP

Use this item to change Read to Precharge (tRTP) Auto/Manual setting. The default is [Auto].

DRAM tFAW

Use this item to change Four Activate Window (tFAW) Auto/Manual set- ting. The default is [Auto].

DRAM tCWL

Use this item to change CAS# Write Latency (tCWL) Auto/Manual setting. The default is [Auto].

ODT WR (CH A)

Use this item to change ODT WR (CH A) setting. The default is [Auto].

ODT WR (CH B)

Use this item to change ODT WR (CH B) setting. The default is [Auto].

ODT NOM (CH A)

Use this item to change ODT NOM (CH A) setting. The default is [Auto].

ODT NOM (CH B)

Use this item to change ODT NOM (CH B) setting. The default is [Auto].

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Contents H77 Pro4-M Disclaimer Copyright NoticeContents Uefi Setup Utility Introduction Package ContentsSpecifications Rear Panel I/O AudioBios Feature ConnectorUnique Feature USB3.0Monitor HardwareCertifications Page Page Page 24.4cm Motherboard LayoutLAN Port LED Indications I/O PanelTable for Audio Output Connection Page Screw Holes Pre-installation PrecautionsCPU Installation Page Installation of CPU Fan and Heatsink Dual Channel Memory Configuration Installation of Memory Modules DimmNotch break Break Installing a DimmExpansion Slots PCI Express Slots Installing an expansion cardCrossFireXTM and Quad CrossFireXTM Operation Guide Installing Two CrossFireXTM-Ready Graphics CardsCrossFire Bridge For Windows XP OS Driver Installation and SetupFor Windows 7 / VistaTM OS Page Dual Monitor Feature Dual Monitor and Surround Display FeaturesFor Windows XP / XP 64-bit OS Surround Display FeatureFor Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS What is HDCP?Hdcp Function CIR sensors in different angles ASRock Smart Remote Installation GuideDescription Jumpers SetupOnboard Headers and Connectors USB 2.0 Headers Besides four default USB Front Panel Audio Header Chassis Speaker Header Please connect the chassis Supply to this connector ATX Power ConnectorATX 12V Power Connector Serial port Header Serial ATA3 SATA3 Hard Disks Installation Serial ATA Sata / Serial ATA2 SATA2 Hard Disks InstallationWhat is Hot Swap Function? What is Hot Plug 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 Set up Uefi Driver Installation GuideUse RAID Installation Guide to set RAID configuration Install Windows XP / XP 64-bit OS on your system Installing Windows XP / XP 64-bit Without RAID FunctionsPage Uefi Menu Bar IntroductionMain Screen Navigation KeysNavigation Keys + / Tab Enter Pgup Pgdn Home F10 F12OC Tweaker Screen Dram Timing Configuration Load XMP Setting Short Duration Power LimitPrimary Plane Current Limit Secondary Plane Current LimitDram tRP Command Rate CRDram tRAS Dram tWRVoltage Configuration CPU Core Voltage MRC Fast BootUser Defaults CPU Load-Line CalibrationInstant Flash Advanced ScreenCPU Configuration Hardware Prefetcher Intel Virtualization TechnologyAdjacent Cache Line Prefetch North Bridge Configuration South Bridge Configuration IntelR Rapid Start Technology IntelR Rapid Start TechnologyIntelR Smart Connect Technology IntelR Smart Connect TechnologyStorage Configuration Super IO Configuration Acpi Configuration USB 2.0 Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportChassis Fan 1 Setting CPU Fan 1 & 2 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

H77 Pro4-M specifications

The ASRock H77 Pro4-M is an ATX motherboard designed to cater to the needs of budget-conscious gamers and professionals looking for reliable performance. This motherboard is built on the Intel H77 chipset, making it compatible with Intel's 3rd and 2nd generation Core processors, offering excellent performance for varied computing tasks.

One of the standout features of the ASRock H77 Pro4-M is its support for dual-channel DDR3 memory, accommodating up to 32GB with speeds ranging from 1066MHz to 2400MHz. This flexibility allows users to enhance their systems for multitasking or gaming, ensuring smooth operation even under load. Additionally, the motherboard is equipped with four DIMM slots, providing ample room for memory expansion.

Storage options are robust, with the H77 Pro4-M supporting SATA III, which allows for data transfer speeds of up to 6Gbps. It includes six SATA III ports, ensuring ample connectivity for SSDs and HDDs, perfect for setting up a high-speed storage solution. Additionally, the motherboard supports Intel Smart Response Technology, combining the advantages of both SSDs and HDDs for improved performance.

Connectivity is another strong suit of the ASRock H77 Pro4-M. It features USB 3.0 ports, which provide faster data transfer rates than their predecessors, while still maintaining compatibility with USB 2.0 devices. The motherboard comes with a total of four USB 3.0 ports, allowing users to connect multiple high-speed peripherals simultaneously. Furthermore, the inclusion of HDMI and DVI-D ports enables users to experience high-definition video output, essential for media playback and gaming.

In terms of audio, the ASRock H77 Pro4-M is equipped with the Realtek ALC892 audio codec, delivering 7.1 channel high-definition audio that enhances the overall multimedia experience. Additionally, the motherboard includes a wide array of connectivity options, such as Gigabit Ethernet, which provides reliable and fast networking capabilities for both online gaming and data transfer.

The ASRock H77 Pro4-M also supports advanced technologies such as Intel Rapid Start Technology and Intel Smart Connect Technology, which enhance boot times and allow for seamless updates while the system is in sleep mode. These features add to the convenience and efficiency of the platform.

In summary, the ASRock H77 Pro4-M provides a solid foundation for modern computing needs. With its robust memory support, ample connectivity options, and advanced features, it is a reliable choice for users looking to build a performance-oriented PC without breaking the bank.