ASRock A75 Pro4/MVP manual Jumpers Setup, Description

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2.9 Jumpers Setup

The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is “Short”. If no jumper cap is placed on pins, the jumper is “Open”. The illustration shows a 3-pin jumper whose pin1 and pin2 are “Short” when jumper cap is placed on these 2 pins.

Jumper

 

Setting

Description

Clear CMOS Jumper

 

 

(CLRCMOS1)

 

 

(see p.12,

No. 10)

Default

Clear CMOS

 

 

Note: CLRCMOS1 allows you to clear the data in CMOS. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper cap to short pin2 and pin3 on CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right after you update the BIOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS ac- tion. Please be noted that the password, date, time, user default profile, 1394 GUID and MAC address will be cleared only if the CMOS battery is removed.

The Clear CMOS Switch has the same function as the Clear CMOS jumper.

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Contents A75 Pro4/MVP Copyright Notice DisclaimerContents Uefi Setup Utility Package Contents IntroductionSpecifications Rear Panel I/O ConnectorAudio USBUnique Feature Smart SwitchBios Feature Support CDPage Page Page Motherboard Layout DDR3I/O Panel LAN Port LED IndicationsTable for Audio Output Connection Page Installation Pre-installation PrecautionsCPU Installation Installation of CPU Fan and HeatsinkInstallation of Memory Modules Dimm Dual Channel Memory ConfigurationsInstalling a Dimm Notch break BreakInstalling an expansion card Expansion Slots PCI and PCI Express SlotsPcie Slots Graphics Card Setup CrossFireXTM and Quad CrossFireXTM Operation GuideCrossFire Bridge Driver Installation and Setup For Windows XP OSFor Windows 7 / VistaTM OS Page AMD Dual Graphics Operation Guide Enjoy the benefit of AMD Dual GraphicsWhat does an AMD Dual Graphics system include? AMD Vision Engine Control Center Dual Monitor and Surround Display Features Dual Monitor FeatureSurround Display Feature For Windows XP / XP 64-bit OSWhat is HDCP? For Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OSHdcp Function ASRock Smart Remote Installation Guide CIR sensors in different anglesJumpers Setup DescriptionOnboard Headers and Connectors Serial ATA3 ConnectorsInfrared Module Header Chassis Speaker Header CPU Fan Connectors ATX 12V Power ConnectorSerial port Header Smart Switches 12 Dr. Debug Status Code DescriptionPage Page Page What is Hot Swap Function? Serial ATA3 SATA3 Hard Disks InstallationWhat is Hot Plug Function? Hot Plug and Hot Swap Functions for SATA3 HDDsSATA3 HDD Hot Plug Feature and Operation Guide Points of attention, before you process the Hot PlugHow to Hot Plug a SATA3 HDD Driver Installation Guide Installing Windows XP / XP 64-bit With RAID FunctionsSet up Uefi Use RAID Installation Guide to set RAID configuration \ RAID Installation Guide Make a SATA3 Driver DisketteInstalling Windows XP / XP 64-bit Without RAID Functions Page Uefi Menu Bar Navigation Keys + / Tab Enter Pgup Pgdn Home Navigation KeysMain Screen F10 F12OC Tweaker Screen RAS# to CAS# Delay tRCD Dram Configuration Dram FrequencyDram Timing Control Power Down Enable CPU VoltageRAS to RAS Delay tRRD Command Rate CRWrite Recovery Time tWR Write to Read Delay tWTRAdvanced Screen Instant FlashCstate Pmin Mode CPU ConfigurationCore C6 Mode Cool ‘n’ QuietNorth Bridge Configuration South Bridge Configuration Sata IDE Combined Mode Storage ConfigurationSata Mode Sata ControllerSerial Port Address Super IO ConfigurationSerial Port Infrared PortAcpi Configuration Acpi Hpet table A75 USB 3.0 Controller USB ConfigurationUSB 2.0 Controller Legacy USB SupportChassis Fan 2 Setting CPU Fan 1 & 2 SettingChassis Fan 1 Setting Chassis Fan 3 SettingBoot Screen Security Screen Save Changes and Exit Load Uefi DefaultsExit Screen Discard Changes and ExitRunning The Support CD Install Operating SystemSupport CD Information Drivers MenuInstalling OS on a HDD Larger Than 2TB
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