ASRock B85 Pro4 manual Onboard Headers and Connectors, Pwrbtn Power Switch

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B85 Pro4

2.6 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard.

System Panel Header

(9-pin PANEL1)

(see p.10, No. 13)

PLED+ PLED-

PWRBTN#

GND

1

GND RESET#

GND HDLED-

HDLED+

Connect the power switch, reset switch and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.

PWRBTN (Power Switch):

Connect to the power switch on the chassis front panel. You may configure the way to turn off your system using the power switch.

RESET (Reset Switch):

Connect to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart.

PLED (System Power LED):

Connect to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED keeps blinking when the system is in S1/S3 sleep state. The LED is off when the system is in S4 sleep state or powered off (S5).

HDLED (Hard Drive Activity LED):

Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connect- ing your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.

English

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Contents Page Copyright Notice DisclaimerContents Uefi Setup Utility Page Package Contents IntroductionSpecifications CPULAN Bios Hardware Unique Features ASRock Crashless Bios ASRock Easy Driver InstallerASRock XFast RAM ASRock OMG Online Management GuardASRock Fast Boot ASRock Interactive UefiASRock Restart to Uefi ASRock On/Off Play TechnologyASRock FAN-Tastic Tuning Intel No. Description I/O Panel Activity / Link LED Status Description Installation Installing the CPU English English Installing the CPU Fan and Heatsink Installing Memory Modules Dimm Dual Channel Memory ConfigurationEnglish PCIe Slot Configurations Expansion Slots PCI and PCI Express SlotsJumpers Setup CLRCMOS1Onboard Headers and Connectors Pwrbtn Power SwitchPin PLED1 English ATX Power Connector Pin ATXPWR1 See p.10, No TPM Header Pin TPMS1 See p.10, No Installing Two CrossFireXTM-Ready Graphics Cards CrossFireXTM and Quad CrossFireXTM Operation GuideEnglish Driver Installation and Setup Installing Drivers Running The Support CDDrivers Menu Utilities MenuTuning Installing A-TuningUsing A-Tuning Operation ModeTools XFast RAMOC Tweaker System InfoTech Service Intel Rapid Start Technology System RequirementsSetup Guide Configuring Rapid StartDouble-click the Intel Rapid Start Technology Manager icon Using Rapid Start English Intel Smart Connect Technology Installing ASRock Smart Connect Utility Click Apply to enable Smart Connect Using Smart Connect English Intel Remote Wake Technology Configuring and Using MeshCentralCreating a Mesh Downloading and Installing Mesh Agent Click Install / Update Click on Power Actions Waking up a PC using mobile device Setup Guide Configuring and Using SplashtopUsing Remote Wakeup Using Remote Control Accessing Data Playing Video Intel Extreme Tuning Utility Ixtu UI OverviewManual Tuning System InformationStress Test BenchmarkingInstalling Start8 Configuring Start8Start8 StyleConfigure ControlDesktop AboutIntroduction Uefi Menu BarNavigation Keys ENDActive Page on Entry Main ScreenUefi Guide CPU Configuration CPU Ratio OC Tweaker ScreenIntel SpeedStep Technology Intel Turbo Boost TechnologyLong Duration Power Limit Short Duration Power LimitGT Voltage Mode Long Duration MaintainedDram Timing Configuration Load XMP Setting Dram Configuration Dram TweakerDram Reference Clock Dram FrequencyRefresh Cycle Time tRFC CAS Write Latency tCWL TREFITCKE TRDRDCommand Tri State MRC Fast BootTRDWRDR TRDWRDDFivr Configuration Fivr Switch Frequency Signature Fivr Switch Frequency OffsetCPU Integrated VR Faults CPU Integrated VR Efficiency ModeVoltage Configuration CPU Input Voltage CPU Load-Line CalibrationDram Voltage PCH 1.05V VoltageAdvanced Screen CPU Configuration Package C State Support CPU Thermal ThrottlingNo-Execute Memory Protection Intel Virtualization TechnologyChipset Configuration Restore on AC/Power Loss Render StandbyOnboard HD Audio Front PanelStorage Configuration Sata Mode SelectionSata Aggressive Link Power Management Sata ControllersIntel Rapid Start Technology Intel Smart Connect Technology Super IO Configuration Serial PortSerial Port Address Infrared PortAcpi Configuration Ring-In Power On RTC Alarm Power OnUSB Keyboard/Remote Power On USB Mouse Power OnUSB Configuration USB ControllerUSB 3.0 Controller Legacy USB SupportTools Network Configuration Internet SettingUefi Download Server Dehumidifier FunctionSave User Default Dehumidifier CPU Fan SettingLoad User Default CPU Fan 1 & 2 Setting Chassis Fan 1 SettingChassis Fan 2 Setting Over Temperature ProtectionBoot Screen Fast BootBoot From Onboard LAN Setup Prompt TimeoutBoot Failure Guard Boot Failure Guard CountFull Screen Logo AddOn ROM DisplayLaunch Storage OpROM Policy Launch PXE OpROM PolicyLaunch Video OpROM Policy Supervisor Password User PasswordSecure Boot Security ScreenExit Screen Contact Information

B85 Pro4 specifications

The ASRock B85 Pro4 is a motherboard designed to cater to the needs of both budget-conscious users and those looking for solid performance without unnecessary frills. Built on the Intel B85 chipset, it supports a wide range of Intel’s fourth-generation Core processors, commonly known as Haswell, making it a versatile option for various computing needs.

One of the main features of the ASRock B85 Pro4 is its excellent connectivity options. The motherboard is equipped with four DIMM slots, supporting up to 32GB of DDR3 memory at speeds ranging from 1333MHz to 1600MHz. This allows users to take advantage of the latest in memory technology, ensuring smooth multitasking and efficient performance for both daily computing tasks and more demanding applications.

In terms of storage, the B85 Pro4 offers an impressive array of options. It includes six SATA3 ports, providing ample connectivity for SSDs and hard drives. Additionally, the motherboard features support for Intel Smart Response Technology, allowing users to benefit from accelerated storage performance by using a combination of SSD and HDD drives. This technology enhances boot times and application loading speeds, making the overall user experience feel snappier.

Another standout specification of the ASRock B85 Pro4 is its integrated graphics support. With an HDMI output along with DVI-D and D-Sub, users can connect modern monitors and enjoy high-definition visuals. This feature is particularly appealing for those who do not require a separate graphics card and prefer a tidy, cost-effective build.

The ASRock B85 Pro4 also boasts several unique technologies tailored for enhanced performance and user convenience. The motherboard includes ASRock’s Advanced Heat Sink Design, which helps dissipate heat efficiently, ensuring stable operation even during extended gaming or heavy workloads. The motherboard further supports ASRock’s Instant Flash technology, simplifying BIOS updates and ensuring that users can keep their system running smoothly.

Connectivity options extend beyond storage and video, as the B85 Pro4 features a total of four USB 3.0 ports for faster data transfer speeds, alongside six USB 2.0 ports for older peripherals. Additionally, it includes an Ethernet port powered by the Realtek RTL8111GR chip, providing reliable and high-speed network connectivity.

Building on a user-friendly design, the ASRock B85 Pro4 integrates high-quality componentry and a straightforward layout, making installation easier even for novice builders. With a solid array of features, excellent connectivity options, and support for advanced technologies, the ASRock B85 Pro4 stands out as a reliable motherboard choice for budget-conscious users and casual gamers.