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Asus B85M-K PLUS User Manual
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Asus B85M-K PLUS User Manual

Asus B85M-K PLUS User Manual

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B85M-K PLUS
E10185_B85M-K_PLUS_Guide.indb 1
2015/2/13 14:25:07

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Summary of Contents for Asus B85M-K PLUS

  • Page 1 B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 1 2015/2/13 14:25:07...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.

  • Page 3: Table Of Contents

    Contents Safety information ...................... iv About this guide ......................iv Package contents ....................... vi B85M-K PLUS specifications summary ..............vi Chapter 1: Product introduction Before you proceed ..................1-1 Motherboard overview ................. 1-1 Central Processing Unit (CPU) ..............1-4 System memory .................... 1-7 Expansion slots ....................

  • Page 4: Safety Information

    Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.

  • Page 5: Conventions Used In This Guide

    Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.

  • Page 6: Package Contents

    ® * Hyper DIMM support is subject to the physical characteristics of individual CPUs. Please refer to Memory QVL for details. ** Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). ® *** Due to Intel chipset limitations, DDR3 1600MHz and higher memory modules on XMP mode will run at the maximum transfer rate of DDR3 1600MHz.
  • Page 7 * Use a chassis with HD audio module in the front panel to support an 8-channel audio output Intel B85 Express Chipset - supports ASUS USB 3.0 Boost ® - 4 x USB 3.0/2.0 ports (2 ports at mid-board, 2 ports at the rear panel) Intel ®...
  • Page 8 64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI2.0, WfM 2.0, SM BIOS 2.7, BIOS features ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3, My Favorites, Quick Note, Last Modified Log, F12 PrintScreen, F3 Shortcut functions and ASUS DRAM SPD (Serial Presence Detect) memory...

  • Page 9: Chapter 1: Product Introduction

    Failure to do so can cause you physical injury and damage motherboard components. 1.2.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 1 2015/2/13 14:25:08...

  • Page 10: Screw Holes

    1.2.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the chassis. Do not overtighten the screws! Doing so can damage the motherboard. Place this side towards the rear of the chassis B85M-K PLUS Chapter 1: Product introduction E10185_B85M-K_PLUS_Guide.indb 2 2015/2/13 14:25:09...

  • Page 11: Motherboard Layout

    17.5cm(6.9in) CPU_FAN KBMS ATX12V 1255 USB3_12 LAN_USB34 CHA_FAN BATTERY AUDIO B85M-K PLUS PCIEX16 8111GR 64Mb BIOS PCIEX1_1 Super Intel ® SPEAKER SB_PWR PCIEX1_2 F_PANEL 887-VD2 USB56 USB78 USB3_910 SATA3G_1 SATA3G_2 SATA6G_1 SATA6G_2 AAFP ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 3 2015/2/13 14:25:09...

  • Page 12: Central Processing Unit (Cpu)

    16. Onboard LED (SB_PWR) 1-21 17. Clear RTC RAM (3-pin CLRTC) 1-11 18. Serial port connectors (10-1 pin COM) 1-20 Central Processing Unit (CPU) This motherboard comes with a surface mount LGA1150 socket designed for the Intel ® 4th and new 4th generation Core™ i7 / Core™ i5 / Core™ i3, Pentium and Celeron ® ® processors. B85M-K PLUS B85M-K PLUS CPU socket LGA1150 Unplug all power cables before installing the CPU. • Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the socket contacts are not bent. Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. • Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the LGA1150 socket. • The product warranty does not cover damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP cap.

  • Page 13: Installing The Cpu

    1.3.1 Installing the CPU ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 5 2015/2/13 14:25:10...

  • Page 14: Cpu Heatsink And Fan Assembly Installation

    1.3.2 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary. To install the CPU heatsink and fan assembly Chapter 1: Product introduction E10185_B85M-K_PLUS_Guide.indb 6 2015/2/13 14:25:11...

  • Page 15: System Memory

    To uninstall the CPU heatsink and fan assembly System memory 1.4.1 Overview This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. A DDR3 module is notched differently from a DDR or DDR2 module. DO NOT install a DDR or DDR2 memory module to the DDR3 slot. According to Intel CPU spec, DIMM voltage below 1.65V is recommended to protect the ® CPU. Channel Sockets Channel A DIMM_A1 B85M-K PLUS Channel B DIMM_B1 B85M-K PLUS 240-pin DDR3 DIMM sockets 1.4.2 Memory configurations You may install 1GB, 2GB, 4GB, and 8GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 7 2015/2/13 14:25:11...

  • Page 16: Installing A Dimm

    OS if you want to install 4GB or more on the motherboard. F or more details, refer to the Microsoft support site at http://support.microsoft. ® com/kb/929605/en-us. • This motherboard does not support DIMMs made up of 512 megabits (Mb) chips or less. • Memory modules with memory frequency higher than 2133 MHz and its corresponding timing or the loaded X.M.P. Profile is not the JEDEC memory standard. The stability and compatibility of these memory modules depend on the CPU’s capabilities and other installed devices. • The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. • For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs) or overclocking condition. • Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List) 1.4.3 Installing a DIMM Chapter 1: Product introduction E10185_B85M-K_PLUS_Guide.indb 8 2015/2/13 14:25:12...

  • Page 17: Expansion Slots

    To remove a DIMM Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 9 2015/2/13 14:25:12...

  • Page 18: Installing An Expansion Card

    1.5.1 Installing an expansion card To install an expansion card: Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card. Remove the system unit cover (if your motherboard is already installed in a chassis). Remove the bracket opposite the slot that you intend to use. Keep the screw for later use. Align the card connector with the slot and press firmly until the card is completely seated on the slot. Secure the card to the chassis with the screw you removed earlier. Replace the system cover. 1.5.2 Configuring an expansion card After installing the expansion card, configure it by adjusting the software settings. Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for information on BIOS setup. Assign an IRQ to the card. Install the software drivers for the expansion card. When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable.

  • Page 19: Jumpers

    Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. CLRTC B85M-K PLUS Normal Clear RTC (Default) B85M-K PLUS Clear RTC RAM To erase the RTC RAM: Turn OFF the computer and unplug the power cord. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2. Plug the power cord and turn ON the computer. Hold down the <Del> key during the boot process and enter BIOS setup to re- enter data. Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! • If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.

  • Page 20: Usb Device Wake-Up

    Keyboard and USB device wake-up (3-pin PS2_KBPW1~4) This jumper allows you to enable or disable the keyboard and USB device wake-up feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the computer by pressing a key on the keyboard or using the connected USB devices. This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. PS2_USBPW1-4 B85M-K PLUS +5VSB (Default) B85M-K PLUS Keyboard and USB device wake-up USB device wake-up (3-pin USBPW5~10) Set this jumper to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set to +5VSB to wake up from S3 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). USBP5-10 B85M-K PLUS +5VSB (Default) B85M-K PLUS USB device wake-up •...

  • Page 21: Connectors

    LAN port Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. Line Out port (lime). This port connects a headphone or a speaker. In 4.1-channel, 5.1-channel, and 7.1-channel configurations, the function of this port becomes Front Speaker Out. Microphone port (pink). This port connects a microphone. To configure a 7.1-channel audio output: Use a chassis with HD audio module in the front panel to support a 7.1-channel audio output. ASUS B85M-K PLUS 1-13 E10185_B85M-K_PLUS_Guide.indb 13 2015/2/13 14:25:13...
  • Page 22 Audio 2.1, 4.1, 5.1 or 7.1-channel configuration Headset Port 4.1-channel 5.1-channel 7.1-channel 2.1-channel Light Blue Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out (Rear panel) Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out Front Speaker Out Pink (Rear panel) Mic In Mic In Bass/Center Bass/Center Lime (Front panel) — — — Side Speaker Out For a 7.1-channel speaker setup, refer to the 7.1-channel configuration in the table. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices.

  • Page 23: Internal Connectors

    AAFP PIN 1 PIN 1 B85M-K PLUS HD-audio-compliant Legacy AC’97 pin definition compliant definition B85M-K PLUS Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard’s high-definition audio capability. • If you want to connect a high-definition front panel audio module to this connector, set the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an AC’97 front panel audio module to this connector, set the item to [AC97]. By default, this connector is set to [HD]. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect the S/PDIF Out module cable to this connector, then install the module to a slot opening at the back of the system chassis.

  • Page 24: Cpu And Chassis Fan Connectors

    CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. CPU_FAN CHA_FAN B85M-K PLUS B85M-K PLUS Fan connectors Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power. Only the 4-pin CPU fans and 4-pin chassis fans support the ASUS Fan Xpert feature. USB 2.0 connectors (10-1 pin USB56, USB78) These connectors are for USB 2.0 ports. Connect the USB module cable to any of...

  • Page 25: Atx Power/Speaker Connector

    -5 Volts PIN 1 +5 Volts +5 Volts PSON# B85M-K PLUS +3 Volts -12 Volts +3 Volts +3 Volts PIN 1 B85M-K PLUS ATX power connectors • We recommend that you use an ATX 12V Specification 2.0-compliant power supply unit (PSU) with a minimum of 300W power rating. This PSU type has 24-pin and 4-pin power plugs. • DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will not boot up. • We recommend that you use a PSU with higher power output when configuring a system with more power-consuming devices or when you intend to install additional devices. The system may become unstable or may not boot up if the power is inadequate.
  • Page 26 Intel B85 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G 1~2 [black]) ® These connectors connect to Serial ATA 3.0 Gb/s hard disk drives via Serial ATA 3.0 Gb/s signal cables. SATA3G_1 SATA3G_2 B85M-K PLUS B85M-K PLUS SATA 3.0Gb/s connectors When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI]. Intel B85 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1~4 [gray]) ® These connectors connect to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s signal cables. SATA6G_4 RSATA_TXP4...

  • Page 27: System Panel Connector

    This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. USB 3.0 connector (20-1 pin USB3_910) This connector allows you to connect a USB 3.0 module for additional USB 3.0 front or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for USB-chargeable devices, optimized power efficiency and backward compatibility with USB 2.0. USB3_910 PIN 1 B85M-K PLUS B85M-K PLUS USB3.0 Front panel connector ASUS B85M-K PLUS 1-19 E10185_B85M-K_PLUS_Guide.indb 19 2015/2/13 14:25:15...
  • Page 28 Serial port connector (10-1 pin COM) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. PIN 1 B85M-K PLUS B85M-K PLUS Serial port connector The COM module is purchased separately. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. PIN 1 B85M-K PLUS B85M-K PLUS TPM connector The TPM module is purchased separately. 1-20 Chapter 1: Product introduction E10185_B85M-K_PLUS_Guide.indb 20...

  • Page 29: Onboard Leds

    The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. B85M-K PLUS SB_PWR B85M-K PLUS Onboard LED ASUS B85M-K PLUS 1-21 E10185_B85M-K_PLUS_Guide.indb 21 2015/2/13 14:25:16...

  • Page 30: Software Support

    Windows 8.1 (32bit/64bit) Operating Systems (OS). Always install the latest OS version and ® corresponding updates to maximize the features of your hardware. Motherboard settings and hardware options vary. Refer to your OS documentation for detailed information. 1.9.2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to avail all motherboard features. The contents of the Support DVD are subject to change at any time without notice. Visit the ASUS website at www.asus.com for updates. To run the Support DVD Place the Support DVD into the optical drive. If Autorun is enabled in your computer, the DVD automatically displays the Specials screen which lists the unique features of your ASUS motherboard. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to display their respective menus. The following screen is for reference only. Click an icon to display Support DVD/motherboard information Click an item to install If Autorun is NOT enabled in your computer, browse the contents of the Support DVD to locate the file ASSETUP.EXE from the BIN folder. Double-click the ASSETUP.EXE to run...

  • Page 31: Chapter 2: Bios Information

    Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility.

  • Page 32: Asus Ez Flash

    2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS‑based utility. Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com. To update the BIOS using EZ Flash 2: Insert the USB flash disk that contains the latest BIOS file to the USB port.

  • Page 33: Asus Crashfree Bios 3 Utility

    2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file.
  • Page 34 ENTER to select boot device ESC to boot using defaults P2: ST3808110AS (76319MB) aigo miniking (250MB) UEFI: (FAT) ASUS DRW-2014L1T(4458MB) P1: ASUS DRW-2014L1T(4458MB) UEFI: (FAT) aigo miniking (250MB) Enter Setup When the booting message appears, press <Enter> within five (5) seconds to enter FreeDOS prompt.
  • Page 35 DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure. Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit BIOS menu. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 5 2015/2/13 14:25:18...

  • Page 36: Bios Setup Program

    The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen. • Visit the ASUS website at www.asus.com to download the latest BIOS file for this motherboard. •...

  • Page 37: Bios Menu Screen

    • The boot device options vary depending on the devices you installed to the system. • The Boot Menu(F8) button is available only when the boot device is installed to the system. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 7 2015/2/13 14:25:18...
  • Page 38 The Advanced Mode provides advanced options for experienced end‑users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. To access the EZ Mode, click Exit, then select ASUS EZ Mode. Back button Menu items...

  • Page 39: My Favorites

    You cannot add the following items to My Favorites: • Items with submenu options • User‑configurable items such as language and boot device order • Configuration items such as Memory SPD Information, system time and date ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 9 2015/2/13 14:25:19...

  • Page 40: Main Menu

    Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings. •...

  • Page 41: Ai Tweaker Menu

    The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Scroll down to display the following items: ASUS B85M-K PLUS 2-11 E10185_B85M-K_PLUS_Guide.indb 11 2015/2/13 14:25:20...

  • Page 42: Advanced Menu

    Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings.

  • Page 43: Boot Menu

    Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: ASUS B85M-K PLUS 2‑13 E10185_B85M-K_PLUS_Guide.indb 13 2015/2/13 14:25:21...

  • Page 44: Tool Menu

    Tool menu The Tool menu items allow you to configure options for special functions. Select an item then press <Enter> to display the submenu. 2.10 Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items.

  • Page 45: Appendices

    : (1) cet appareil ne doit pas provoquer d’interférences et (2) cet appareil doit accepter toute interférence, y compris celles susceptibles de provoquer un fonctionnement non souhaité de l’appareil. ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 1 2015/2/13 14:25:22...

  • Page 46: Canadian Department Of Communications Statement

    ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for you to be able to responsibly recycle our products, batteries, other components as well as the packaging materials.
  • Page 47 CE. de la CE. Consulte la Declaración de conformidad de la CE para obtener más detalles. Компания ASUS заявляет, что это устройство соответствует основным требованиям и другим соответствующим условиям европейских директив. Svenska AsusTek Inc. förklarar härmed att denna enhet är i Подробную...

  • Page 48: Asus Contact Information

    +1-510-739-3777 +1-510-608-4555 Web site http://www.asus.com/us/ Technical Support Support fax +1-812-284-0883 General support +1-812-282-2787 Online support http://www.service.asus.com/ ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany +49-2102-959931 Web site http://www.asus.com/de Online contact http://eu-rma.asus.com/sales Technical Support Telephone +49-2102-5789555...
  • Page 49 ASUS B85M-K PLUS E10185_B85M-K_PLUS_Guide.indb 5 2015/2/13 14:25:25...
  • Page 50 Appendices E10185_B85M-K_PLUS_Guide.indb 6 2015/2/13 14:25:25...

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