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Contents Safety information...iv About this guide...iv Package contents...vi B85M-K specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-4 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers...1-11 1.7 Connectors 1-13 1.8 Onboard LEDs 1-20 1.9 Software support 1-21 BIOS information 2.1 ... Main menu...2-9 2.4 Ai Tweaker menu 2-10 2.5 Advanced menu 2-11 2.6 Monitor menu 2-12 2.7 Boot menu 2-13 2.8 Tools menu 2-14 2.9 Exit menu...2-14 Appendices Notices...A-1 ASUS contact information A-3 iii
Contents Safety information...iv About this guide...iv Package contents...vi B85M-K specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-4 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers...1-11 1.7 Connectors 1-13 1.8 Onboard LEDs 1-20 1.9 Software support 1-21 BIOS information 2.1 ... Main menu...2-9 2.4 Ai Tweaker menu 2-10 2.5 Advanced menu 2-11 2.6 Monitor menu 2-12 2.7 Boot menu 2-13 2.8 Tools menu 2-14 2.9 Exit menu...2-14 Appendices Notices...A-1 ASUS contact information A-3 iii
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... place the product in your area. Detailed descriptions of the BIOS parameters are using, contact your retailer. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you add a device. ... power cables are unplugged. • Seek professional assistance before the signal cables are connected. If you need when installing and configuring the motherboard. Contact a qualified service technician or your local power company. • If the power supply is set to the correct voltage in ...
... place the product in your area. Detailed descriptions of the BIOS parameters are using, contact your retailer. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you add a device. ... power cables are unplugged. • Seek professional assistance before the signal cables are connected. If you need when installing and configuring the motherboard. Contact a qualified service technician or your local power company. • If the power supply is set to the correct voltage in ...
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...memory modules on XMP mode will work depending on the CPU installed. (continued on the CPU types. ** Refer to www.asus.com for the following items. Motherboard ASUS B85M-K motherboard Cables 2 x Serial ATA 6.0 Gb/s cables Accessories 1 x I/O Shield Application DVD Support DVD Documentation User Guide If ... Panel Jack-Retasking * Use a chassis with HD audio module in the front panel to 1920 x1200@60Hz - resolution 1920x1200@60Hz - B85M-K specifications summary CPU LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium® and Celeron® Processors ...
...memory modules on XMP mode will work depending on the CPU installed. (continued on the CPU types. ** Refer to www.asus.com for the following items. Motherboard ASUS B85M-K motherboard Cables 2 x Serial ATA 6.0 Gb/s cables Accessories 1 x I/O Shield Application DVD Support DVD Documentation User Guide If ... Panel Jack-Retasking * Use a chassis with HD audio module in the front panel to 1920 x1200@60Hz - resolution 1920x1200@60Hz - B85M-K specifications summary CPU LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium® and Celeron® Processors ...
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Failure to do so may cause severe damage to the motherboard, peripherals, or components. 1.2 Motherboard overview Before you install the motherboard, study the configuration of your chassis to avoid touching the ICs on them. • Whenever you uninstall any component...Hold components by the edges to ensure that you place it into it. ASUS B85M-K 1-1 Failure to do so can cause you physical injury and damage motherboard components. 1.2.1 Placement direction When installing the motherboard, ensure that the motherboard fits into the chassis in the image below. The edge with the ...
Failure to do so may cause severe damage to the motherboard, peripherals, or components. 1.2 Motherboard overview Before you install the motherboard, study the configuration of your chassis to avoid touching the ICs on them. • Whenever you uninstall any component...Hold components by the edges to ensure that you place it into it. ASUS B85M-K 1-1 Failure to do so can cause you physical injury and damage motherboard components. 1.2.1 Placement direction When installing the motherboard, ensure that the motherboard fits into the chassis in the image below. The edge with the ...
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1.2.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the chassis. Place this side towards the rear of the chassis B85M-K 1-2 Chapter 1: Product introduction Doing so can damage the motherboard. Do not overtighten the screws!
1.2.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the chassis. Place this side towards the rear of the chassis B85M-K 1-2 Chapter 1: Product introduction Doing so can damage the motherboard. Do not overtighten the screws!
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VD2 PCIEX1_2 USBPW5-10 B85 7 F_PANEL CLRTC SPDIF_OUT USB56 USB3_910 SATA3G_1 SATA3G_2 SATA6G_1 SATA6G_2 AAFP USB78 16 15 14 13 12 11 10 9 8 ASUS B85M-K 1-3 1.2.3 Motherboard layout 1 23 4 17.5cm(6.9in) 35 KBMS ASP ATX12V 1255 CPU_FAN DVI DDR3 DIMM_B1 (64bit, 240-pin module) DDR3 DIMM_A1 (64bit, 240-pin module) VGA LGA1150 2 USB3_12 22.6cm(8.9in) EATXPWR PS2_USBPW1-4 LAN_USB34 CHA_FAN SATA6G_4 BATTERY AUDIO B85M-K PCIEX16 8 RTL 8111G SATA6G_3 Super I/O PCIEX1_1 Intel® 64Mb BIOS 6 SPEAKER SB_PWR ALC 887-
VD2 PCIEX1_2 USBPW5-10 B85 7 F_PANEL CLRTC SPDIF_OUT USB56 USB3_910 SATA3G_1 SATA3G_2 SATA6G_1 SATA6G_2 AAFP USB78 16 15 14 13 12 11 10 9 8 ASUS B85M-K 1-3 1.2.3 Motherboard layout 1 23 4 17.5cm(6.9in) 35 KBMS ASP ATX12V 1255 CPU_FAN DVI DDR3 DIMM_B1 (64bit, 240-pin module) DDR3 DIMM_A1 (64bit, 240-pin module) VGA LGA1150 2 USB3_12 22.6cm(8.9in) EATXPWR PS2_USBPW1-4 LAN_USB34 CHA_FAN SATA6G_4 BATTERY AUDIO B85M-K PCIEX16 8 RTL 8111G SATA6G_3 Super I/O PCIEX1_1 Intel® 64Mb BIOS 6 SPEAKER SB_PWR ALC 887-
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... pin F_PANEL) 8. Digital audio connector (4-1 pin SPDIF_OUT) 15. B85M-K B85M-K CPU socket LGA1150 Unplug all power cables before installing the CPU. • Upon purchase of the PnP cap. 1-4 Chapter 1: Product introduction ASUS will shoulder the cost of repair only if the damage is on... does not cover damage to the PnP cap/socket contacts/motherboard components. DDR3 DIMM slots 6. USB device wake-up (3-pin USBPW5~10) 13. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with a surface mount LGA1150 socket designed for the ...
... pin F_PANEL) 8. Digital audio connector (4-1 pin SPDIF_OUT) 15. B85M-K B85M-K CPU socket LGA1150 Unplug all power cables before installing the CPU. • Upon purchase of the PnP cap. 1-4 Chapter 1: Product introduction ASUS will shoulder the cost of repair only if the damage is on... does not cover damage to the PnP cap/socket contacts/motherboard components. DDR3 DIMM slots 6. USB device wake-up (3-pin USBPW5~10) 13. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with a surface mount LGA1150 socket designed for the ...
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... assembly 1 2 A B B A 1.4 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 recommended to the DDR3 slot. ASUS B85M-K 1-7 According to Intel® CPU spec, DIMM voltage below 1.65V is... notched differently from a DDR or DDR2 module. DIMM_A1 DIMM_B1 Channel Sockets Channel A DIMM_A1 B85M-K Channel B DIMM_B1 B85M-K 240-pin DDR3 DIMM sockets 1.4.2 ...
... assembly 1 2 A B B A 1.4 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 recommended to the DDR3 slot. ASUS B85M-K 1-7 According to Intel® CPU spec, DIMM voltage below 1.65V is... notched differently from a DDR or DDR2 module. DIMM_A1 DIMM_B1 Channel Sockets Channel A DIMM_A1 B85M-K Channel B DIMM_B1 B85M-K 240-pin DDR3 DIMM sockets 1.4.2 ...
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...; This motherboard does not support DIMMs made up of 512 megabits (Mb) chips or less. • Memory modules with 8GB or above DIMMs. ASUS will run at a lower frequency than 2133 MHz and its Serial Presence Detect (SPD), which is the standard way of the lower-sized channel...state, some memory modules for the dual-channel configuration. Failure to www.asus.com for the OS can cause severe damage to unlock a DIMM socket. 2. Any excess memory from the same vendor. For effective use a more memory on the motherboard, the actual usable memory for the latest Memory QVL (Qualified Vendors ...
...; This motherboard does not support DIMMs made up of 512 megabits (Mb) chips or less. • Memory modules with 8GB or above DIMMs. ASUS will run at a lower frequency than 2133 MHz and its Serial Presence Detect (SPD), which is the standard way of the lower-sized channel...state, some memory modules for the dual-channel configuration. Failure to www.asus.com for the OS can cause severe damage to unlock a DIMM socket. 2. Any excess memory from the same vendor. For effective use a more memory on the motherboard, the actual usable memory for the latest Memory QVL (Qualified Vendors ...
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...fits in only one direction. Support the DIMM lightly 2 with extra force. 1 2. Failure to do so may need to install expansion cards. ASUS B85M-K 1-9 Simultaneously press the retaining clips outward to avoid damaging the DIMM. 3. DO NOT force a DIMM into the socket until the retaining clips... key A DIMM is properly seated. DIMM notch 1.5 Expansion slots In the future, you may cause you physical injury and damage motherboard components. The following sub‑sections describe the slots and the expansion cards that it flips out with your fingers when pressing the...
...fits in only one direction. Support the DIMM lightly 2 with extra force. 1 2. Failure to do so may need to install expansion cards. ASUS B85M-K 1-9 Simultaneously press the retaining clips outward to avoid damaging the DIMM. 3. DO NOT force a DIMM into the socket until the retaining clips... key A DIMM is properly seated. DIMM notch 1.5 Expansion slots In the future, you may cause you physical injury and damage motherboard components. The following sub‑sections describe the slots and the expansion cards that it flips out with your fingers when pressing the...
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...card connector with the screw you intend to the card. 3. B shared - C shared - Remove the system unit cover (if your motherboard is completely seated on BIOS setup. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable...Replace the system cover. 1.5.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for this motherboard LAN PCIE x16 PCIE x1_1 PCIE x1_2 Intel PCH SATA Controller HD Audio USB2.0_1 USB2.0_2 USB3.0 A shared shared - shared - ...
...card connector with the screw you intend to the card. 3. B shared - C shared - Remove the system unit cover (if your motherboard is completely seated on BIOS setup. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable...Replace the system cover. 1.5.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for this motherboard LAN PCIE x16 PCIE x1_1 PCIE x1_2 Intel PCH SATA Controller HD Audio USB2.0_1 USB2.0_2 USB3.0 A shared shared - shared - ...
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... panel audio connector Legacy AC'97 compliant definition • We recommend that supports either HD Audio or legacy AC`97 audio standard. ASUS B85M-K 1-15 If you want to connect an AC'97 front panel audio module to this connector. By default, this connector, then install...item in the BIOS setup to [AC97]. Digital audio connector (4-1 pin SPDIF_OUT) This connector is set to a slot opening at the back 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 item to [HD...
... panel audio connector Legacy AC'97 compliant definition • We recommend that supports either HD Audio or legacy AC`97 audio standard. ASUS B85M-K 1-15 If you want to connect an AC'97 front panel audio module to this connector. By default, this connector, then install...item in the BIOS setup to [AC97]. Digital audio connector (4-1 pin SPDIF_OUT) This connector is set to a slot opening at the back 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 item to [HD...
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...fan connectors. USB+5V USB_P5USB_P5+ GND NC USB56 PIN 1 USB+5V USB_P6USB_P6+ GND USB+5V USB_P7USB_P7+ GND NC B85M-K USB78 PIN 1 USB+5V USB_P8USB_P8+ GND B85M-K USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of the system chassis. CPU and...USB 2.0 module is purchased separately. 1-16 Chapter 1: Product introduction Doing so will damage the motherboard! Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan support the ASUS Fan Xpert feature. 4. USB 2.0 connectors (10-1 pin USB78, USB56) These connectors are ...
...fan connectors. USB+5V USB_P5USB_P5+ GND NC USB56 PIN 1 USB+5V USB_P6USB_P6+ GND USB+5V USB_P7USB_P7+ GND NC B85M-K USB78 PIN 1 USB+5V USB_P8USB_P8+ GND B85M-K USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of the system chassis. CPU and...USB 2.0 module is purchased separately. 1-16 Chapter 1: Product introduction Doing so will damage the motherboard! Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan support the ASUS Fan Xpert feature. 4. USB 2.0 connectors (10-1 pin USB78, USB56) These connectors are ...
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Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that you should shut down the system and unplug the power cable before removing or plugging in soft-off mode. 1.8 Onboard LEDs 1. This is a reminder that the system is ON, in sleep mode, or in any motherboard component. B85M-K SB_PWR B85M-K Onboard LED 1-20 Chapter 1: Product introduction The illustration below shows the location of the onboard LED.
Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that you should shut down the system and unplug the power cable before removing or plugging in soft-off mode. 1.8 Onboard LEDs 1. This is a reminder that the system is ON, in sleep mode, or in any motherboard component. B85M-K SB_PWR B85M-K Onboard LED 1-20 Chapter 1: Product introduction The illustration below shows the location of the onboard LED.
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...Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to run the Support DVD Place the Support DVD into the optical drive. ASUS B85M-K 1-21 Click Drivers, Utilities, AHCI Driver, Manual..., Contact and Specials tabs to your ASUS motherboard. Double-click the ASSETUP.EXE to avail all motherboard features. Always install the latest OS version and corresponding ...
...Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to run the Support DVD Place the Support DVD into the optical drive. ASUS B85M-K 1-21 Click Drivers, Utilities, AHCI Driver, Manual..., Contact and Specials tabs to your ASUS motherboard. Double-click the ASSETUP.EXE to avail all motherboard features. Always install the latest OS version and corresponding ...
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Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you need to restore the BIOS in the future. Click to automatically update your motherboard's softwares, drivers and the BIOS version easily. To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar... ISP (Internet Service Provider). With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST. ASUS B85M-K 2-1
Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you need to restore the BIOS in the future. Click to automatically update your motherboard's softwares, drivers and the BIOS version easily. To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar... ISP (Internet Service Provider). With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST. ASUS B85M-K 2-1
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... actual utility screen displays may not be same as a backup when the BIOS fails or gets corrupted during the updating process. Prepare the motherboard support DVD and a USB flash drive in NTFS format. 3. NTFS is an auto recovery tool that contains the updated BIOS file. .... Turn on the USB flash drive. ASUS B85M-K 2-3 The system requires you to load default BIOS values. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is not supported under DOS environment. You can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS ...
... actual utility screen displays may not be same as a backup when the BIOS fails or gets corrupted during the updating process. Prepare the motherboard support DVD and a USB flash drive in NTFS format. 3. NTFS is an auto recovery tool that contains the updated BIOS file. .... Turn on the USB flash drive. ASUS B85M-K 2-3 The system requires you to load default BIOS values. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is not supported under DOS environment. You can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS ...
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...Exit Menu for details. • If the system fails to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard to erase the RTC RAM. See section 1.6 Jumpers for entering the BIOS setup program can be changed. Refer to select the display language, system... at www.asus.com to download the latest BIOS file for details. 2-6 Chapter 2: Getting started You can change modes from the Exit menu or from a running operating system can cause damage to your motherboard if you enter the BIOS setup program. Using the power button, reset button, or the ++...
...Exit Menu for details. • If the system fails to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard to erase the RTC RAM. See section 1.6 Jumpers for entering the BIOS setup program can be changed. Refer to select the display language, system... at www.asus.com to download the latest BIOS file for details. 2-6 Chapter 2: Getting started You can change modes from the Exit menu or from a running operating system can cause damage to your motherboard if you enter the BIOS setup program. Using the power button, reset button, or the ++...
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2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the CPU and DIMM model you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to display the following items: 2-10 Chapter 2: Getting started The configuration options for this section vary depending on the motherboard. Scroll down to malfunction.
2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the CPU and DIMM model you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to display the following items: 2-10 Chapter 2: Getting started The configuration options for this section vary depending on the motherboard. Scroll down to malfunction.