B85M-K User's Manual
Page 6
... motherboard package for Intel® CPU support list. Supports DVI-D with HD audio module in the front panel 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...LAN 1 x PCI Express 3.0/2.0 x16 slot (at the maximum transfer rate of the above items is subject to 1920 x1200@60Hz - B85M-K specifications summary CPU LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium® and Celeron® Processors Supports...
... motherboard package for Intel® CPU support list. Supports DVI-D with HD audio module in the front panel 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...LAN 1 x PCI Express 3.0/2.0 x16 slot (at the maximum transfer rate of the above items is subject to 1920 x1200@60Hz - B85M-K specifications summary CPU LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium® and Celeron® Processors Supports...
B85M-K User's Manual
Page 9
ASUS B85M-K 1-1 The edge with the component. • Before you install or remove any component. • Before handling components, use a grounded wrist strap or touch a safely grounded ...
ASUS B85M-K 1-1 The edge with the component. • Before you install or remove any component. • Before handling components, use a grounded wrist strap or touch a safely grounded ...
B85M-K User's Manual
Page 11
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- 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
B85M-K User's Manual
Page 15
...) Dual Inline Memory Module (DIMM) sockets. DO NOT install a DDR or DDR2 memory module to protect the CPU. 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 Memory configurations You may install 1GB, 2GB, 4GB, and 8GB unbuffered non‑ECC DDR3 DIMMs into the DIMM... to Intel® CPU spec, DIMM voltage below 1.65V is notched differently from a DDR or DDR2 module. A DDR3 module is recommended to the DDR3 slot. ASUS B85M-K 1-7
...) Dual Inline Memory Module (DIMM) sockets. DO NOT install a DDR or DDR2 memory module to protect the CPU. 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 Memory configurations You may install 1GB, 2GB, 4GB, and 8GB unbuffered non‑ECC DDR3 DIMMs into the DIMM... to Intel® CPU spec, DIMM voltage below 1.65V is notched differently from a DDR or DDR2 module. A DDR3 module is recommended to the DDR3 slot. ASUS B85M-K 1-7
B85M-K User's Manual
Page 17
.... The following sub‑sections describe the slots and the expansion cards that it fits in only one direction. Remove the DIMM from the socket. ASUS B85M-K 1-9 Locked Retaining Clip 1.4.4 Removing a DIMM To remove a DIMM: 1. DO NOT force a DIMM into the socket until the retaining clips snap back 3 in the wrong direction...
.... The following sub‑sections describe the slots and the expansion cards that it fits in only one direction. Remove the DIMM from the socket. ASUS B85M-K 1-9 Locked Retaining Clip 1.4.4 Removing a DIMM To remove a DIMM: 1. DO NOT force a DIMM into the socket until the retaining clips snap back 3 in the wrong direction...
B85M-K User's Manual
Page 19
... to overclocking. The onboard button cell battery powers the RAM data in CMOS. Plug the power cord and turn ON the computer. 4. B85M-K CLRTC 12 23 Normal (Default) B85M-K Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Removing the cap will cause system boot failure! • If the ... due to reenter data. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R.) feature. ASUS B85M-K 1-11 1.6 Jumpers 1. Turn OFF the computer and unplug the power cord. 2. Keep the cap on CLRTC jumper default position.
... to overclocking. The onboard button cell battery powers the RAM data in CMOS. Plug the power cord and turn ON the computer. 4. B85M-K CLRTC 12 23 Normal (Default) B85M-K Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Removing the cap will cause system boot failure! • If the ... due to reenter data. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R.) feature. ASUS B85M-K 1-11 1.6 Jumpers 1. Turn OFF the computer and unplug the power cord. 2. Keep the cap on CLRTC jumper default position.
B85M-K User's Manual
Page 21
... (green). Refer to a Local Area Network (LAN) through a network hub. Line In port (light blue). 1.7 Connectors 1.7.1 Rear panel connectors 1 2 34 10 9 8 7 6 5 1. LAN (RJ-45) port. ASUS B85M-K 1-13 In 4-channel, 6channel, and 8-channel configurations, the function of this port becomes Front Speaker Out. 5. This port is for the LAN port LED indications...
... (green). Refer to a Local Area Network (LAN) through a network hub. Line In port (light blue). 1.7 Connectors 1.7.1 Rear panel connectors 1 2 34 10 9 8 7 6 5 1. LAN (RJ-45) port. ASUS B85M-K 1-13 In 4-channel, 6channel, and 8-channel configurations, the function of this port becomes Front Speaker Out. 5. This port is for the LAN port LED indications...
B85M-K User's Manual
Page 23
... Sony/Philips Digital Interface (S/PDIF) port. ASUS B85M-K 1-15 AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L B85M-K HD-audio-compliant pin definition B85M-K Front panel audio connector Legacy AC'97 ... front panel audio module to [HD]. 1.7.2 Internal connectors 1. Connect one end of the system chassis. +5V SPDIFOUT GND B85M-K SPDIF_OUT B85M-K Digital audio connector The S/PDIF module is set the Front Panel Type item in the BIOS setup to this connector is purchased separately....
... Sony/Philips Digital Interface (S/PDIF) port. ASUS B85M-K 1-15 AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L B85M-K HD-audio-compliant pin definition B85M-K Front panel audio connector Legacy AC'97 ... front panel audio module to [HD]. 1.7.2 Internal connectors 1. Connect one end of the system chassis. +5V SPDIFOUT GND B85M-K SPDIF_OUT B85M-K Digital audio connector The S/PDIF module is set the Front Panel Type item in the BIOS setup to this connector is purchased separately....
B85M-K User's Manual
Page 25
... has 24-pin and 4-pin power plugs. • DO NOT forget to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER B85M-K PIN 1 B85M-K Speaker Out Connector ASUS B85M-K 1-17 Find the proper orientation and push down firmly until the connectors completely fit. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for the...
... has 24-pin and 4-pin power plugs. • DO NOT forget to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER B85M-K PIN 1 B85M-K Speaker Out Connector ASUS B85M-K 1-17 Find the proper orientation and push down firmly until the connectors completely fit. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for the...
B85M-K User's Manual
Page 27
... USB-chargeable devices, optimized power efficiency and backward compatibility with USB 2.0. F_PANEL +PWR_LED- Ground HWRST# (NC) B85M-K PIN 1 +HDD_LED- Connect the chassis power LED cable to this connector. The HDD LED lights up or flashes... USB3+5V IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ GND USB3+5V IntA_P2_SSRXIntA_P2_SSRX+ GND IntA_P2_SSTXIntA_P2_SSTX+ GND IntA_P2_DIntA_P2_D+ B85M-K PIN 1 B85M-K USB3.0 Front panel connector ASUS B85M-K 1-19 USB 3.0 connector (20-1 pin USB3_910) These connectors allow you turn on the system power...
... USB-chargeable devices, optimized power efficiency and backward compatibility with USB 2.0. F_PANEL +PWR_LED- Ground HWRST# (NC) B85M-K PIN 1 +HDD_LED- Connect the chassis power LED cable to this connector. The HDD LED lights up or flashes... USB3+5V IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ GND USB3+5V IntA_P2_SSRXIntA_P2_SSRX+ GND IntA_P2_SSTXIntA_P2_SSTX+ GND IntA_P2_DIntA_P2_D+ B85M-K PIN 1 B85M-K USB3.0 Front panel connector ASUS B85M-K 1-19 USB 3.0 connector (20-1 pin USB3_910) These connectors allow you turn on the system power...
B85M-K User's Manual
Page 29
...lists the unique features of the Support DVD are subject to locate the file ASSETUP.EXE from the BIN folder. Visit the ASUS website at any time without notice. The following screen is for detailed information. 1.9.2 Support DVD information The Support DVD that comes... Support DVD/motherboard information Click an item to avail all motherboard features. Motherboard settings and hardware options vary. ASUS B85M-K 1-21 If Autorun is NOT enabled in your ASUS motherboard. To run the DVD. Double-click the ASSETUP.EXE to display their respective menus. Click Drivers, ...
...lists the unique features of the Support DVD are subject to locate the file ASSETUP.EXE from the BIN folder. Visit the ASUS website at any time without notice. The following screen is for detailed information. 1.9.2 Support DVD information The Support DVD that comes... Support DVD/motherboard information Click an item to avail all motherboard features. Motherboard settings and hardware options vary. ASUS B85M-K 1-21 If Autorun is NOT enabled in your ASUS motherboard. To run the DVD. Double-click the ASSETUP.EXE to display their respective menus. Click Drivers, ...
B85M-K User's Manual
Page 31
Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you to automatically update your motherboard's driver, software and firmware Click to find and select ... file to a USB flash disk in case 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 to automatically update your motherboard's driver, software and firmware Click to find and select ... file to a USB flash disk in case you can also manually update the saved BIOS and select a boot logo when the system goes into POST. ASUS B85M-K 2-1
B85M-K User's Manual
Page 33
...in NTFS format. 3. The succeeding utility screens are for the BIOS file. Turn off the computer and disconnect all SATA hard disk drives (optional). ASUS B85M-K 2-3 Recovering the BIOS To recover the BIOS: 1. The actual utility screen displays may not be same as a backup when the BIOS fails ...4. DO NOT shut down or reset the system while updating the BIOS! Before updating BIOS 1. You can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS Setup to update BIOS in the support DVD may not be the latest version. Insert the support...
...in NTFS format. 3. The succeeding utility screens are for the BIOS file. Turn off the computer and disconnect all SATA hard disk drives (optional). ASUS B85M-K 2-3 Recovering the BIOS To recover the BIOS: 1. The actual utility screen displays may not be same as a backup when the BIOS fails ...4. DO NOT shut down or reset the system while updating the BIOS! Before updating BIOS 1. You can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS Setup to update BIOS in the support DVD may not be the latest version. Insert the support...
B85M-K User's Manual
Page 35
... after updating BIOS. • Ensure to load the BIOS default settings to confirm BIOS update. 4. Select the Load Optimized Defaults item under the Exit menu. ASUS B85M-K 2-5 Press to switch between screen fields and use the keys to exit BIOS Updater. If you do not press , POST continues with its parameters. 3.
... after updating BIOS. • Ensure to load the BIOS default settings to confirm BIOS update. 4. Select the Load Optimized Defaults item under the Exit menu. ASUS B85M-K 2-5 Press to switch between screen fields and use the keys to exit BIOS Updater. If you do not press , POST continues with its parameters. 3.
B85M-K User's Manual
Page 37
... setup program without saving the changes, saves the changes and resets the system, or enters the Advanced Mode Power Saving mode Selects the boot device ASUS Optimal mode Loads optimized default Selects the priority Displays the system properties Advanced mode Normal mode of the BIOS setup program Displays the CPU temperature... 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 2-7
... setup program without saving the changes, saves the changes and resets the system, or enters the Advanced Mode Power Saving mode Selects the boot device ASUS Optimal mode Loads optimized default Selects the priority Displays the system properties Advanced mode Normal mode of the BIOS setup program Displays the CPU temperature... 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 2-7
B85M-K User's Manual
Page 39
... section 1.6 Jumpers for information on how to erase the RTC RAM. • The Administrator or User Password items on top of the BIOS Setup program. ASUS B85M-K 2-9 2.3 Main menu The Main menu screen appears when you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the...
... section 1.6 Jumpers for information on how to erase the RTC RAM. • The Administrator or User Password items on top of the BIOS Setup program. ASUS B85M-K 2-9 2.3 Main menu The Main menu screen appears when you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the...
B85M-K User's Manual
Page 41
ASUS B85M-K 2-11 Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to change the settings for the CPU and other system devices. 2.5 Advanced menu The Advanced menu items allow you to malfunction.
ASUS B85M-K 2-11 Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to change the settings for the CPU and other system devices. 2.5 Advanced menu The Advanced menu items allow you to malfunction.
B85M-K User's Manual
Page 43
2.7 Boot menu The Boot menu items allow you to display the following items: ASUS B85M-K 2-13 Scroll down to change the system boot options.
2.7 Boot menu The Boot menu items allow you to display the following items: ASUS B85M-K 2-13 Scroll down to change the system boot options.
B85M-K User's Manual
Page 45
... frequency energy and, if not installed and used in a particular installation. This Class B device meets all the requirements of the Canadian interference-causing equipment regulations. ASUS B85M-K A-1
... frequency energy and, if not installed and used in a particular installation. This Class B device meets all the requirements of the Canadian interference-causing equipment regulations. ASUS B85M-K A-1