Motherboard B85-PLUS
E7928 First Edition V1 April 2013 Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Safety information....................................................................................... iv About this guide.......................................................................................... iv Package contents........................................................................................ vi B85-PLUS specifications summary........................................................... vi Chapter 1: Product introduction 1.1 Before you proceed.......................
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.
Where to find more information Refer to the following sources for additional information and for product and software updates. 1. 2. 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. These documents are not part of the standard package.
Package contents Check your motherboard package for the following items. Motherboard ASUS B85-PLUS 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 any of the above items is damaged or missing, contact your retailer.
B85-PLUS specifications summary Storage Intel® B85 Express Chipset: - 2 x Serial ATA 3.0 Gb/s connectors (dark brown) - 4 x Serial ATA 6.0 Gb/s connector (yellow) Supports Intel® Rapid Start Technology, Intel® Smart Connect Technology* LAN USB * These functions will work depending on the CPU installed. Realtek® 8111G Gigabit LAN controller Intel® B85 Express Chipset - supports ASUS USB 3.0 Boost 2 x USB 3.0/2.0 ports at midboard for front panel support 2 x USB 3.0/2.
B85-PLUS specifications summary Back Panel I/O ports 1 x PS/2 keyboard port (purple) 1 x PS/2 mouse port (green) 1 x DVI-D port 1 x RGB port 1 x LAN (RJ-45) port 4 x USB 2.0/1.1 ports 2 x USB 3.0/2.0 ports 3 x Audio jacks support 8-channel audio output Internal connectors 1 x USB 3.0 connector supports additional 2 USB 3.0 ports 2 x USB 2.0 connectors support additional 4 USB 2.0 ports 2 x SATA 3.0 Gb/s connectors (dark brown) 4 x SATA 6.
Product introduction 1.1 Before you proceed 1 Take note of the following precautions before you install motherboard components or change any motherboard settings. 1.2 • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity. • Hold components by the edges to avoid touching the ICs on them.
Place this side towards the rear of the chassis 1.2.3 B85-PLUS Motherboard layout 1 2 3 4 3 5 20.8cm(8.2in) CPU_FAN KBMS DIGI +VRM DDR3 DIMM_B2 (64bit, 240-pin module) CHA_FAN2 3 BATTERY COM CHA_FAN1 USB3_12 AUDIO PCIEX1_1 B85-PLUS SATA6G_2 SATA6G_1 LAN_USB34 2 30.5cm(12.
1.2.4 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connectors (10-1 pin COM) 2. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 3. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2) 4. Intel® LGA1150 CPU socket 5. DDR3 DIMM slots 6. Intel® B85 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~4 [yellow]) 7. USB 3.0 connector (20-1 pin USB3_12) 8. Onboard LED (SB_PWR) 9. Clear RTC RAM (3-pin CLRTC) ) 10. Intel® B85 Serial ATA 3.
Unplug all power cables before installing the CPU. 1.3.1 • Ensure that you install the correct CPU designed for the LGA1150 socket only. DO NOT install a CPU designed for LGA1155 and LGA1156 sockets on the LGA1150 socket. • 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.
4 5 C A B 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 1 2 A B B A 3 4 To uninstall the CPU heatsink and fan assembly 1 2 A B B A 1-6 Chapter 1: Product introduction
1.4 System memory 1.4.1 Overview This motherboard comes with four 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. DIMM_B1 DIMM_B2 DIMM_A1 DIMM_A2 According to Intel® CPU spec, DIMM voltage below 1.65V is recommended to protect the CPU. Channel Channel A Channel B Sockets DIMM_A1 & DIMM_A2 DIMM_B1 & DIMM_B2 B85-PLUS B85-PLUS 240-pin DDR3 DIMM sockets 1.
1.4.3 • 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. • For system stability, use a more efficient memory cooling system to support a full memory load (4 DIMMs). • Visit the ASUS website at: www.asus.com for the latest QVL. Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components.
Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. 2 1 1 2. Remove the DIMM from the socket. 1.5 DIMM notch 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.
1.5.3 PCI slots The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.5.4 PCI Express x16 slots This motherboard supports PCI Express x16 network cards, SCSI cards, and other cards that comply with the PCI Express specifications.
B85-PLUS CLRTC 1 2 2 3 Normal (Default) Clear RTC B85-PLUS Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. 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. 3. Plug the power cord and turn ON the computer. 4. Hold down the key during the boot process and enter BIOS setup to reenter data.
1. PS/2 mouse port (green). This port is for a PS/2 mouse. 2. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other VGA-compatible devices. 3. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub.
• Due to USB 3.0 controller limitations, USB 3.0 devices can only be used under a Windows® OS environment and after USB 3.0 driver installation. • The plugged USB 3.0 device may run on xHCI or EHCI mode, depending on the operating system’s setting. • USB 3.0 devices can only be used for data storage. • We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster and better performance from your USB 3.0 devices.
2. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
Front panel audio connector (10-1 pin AAFP) NC AGND NC NC SENSE2_RETUR This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. AGND NC SENSE1_RETUR 4.
6. USB 3.0 connector (20-1 pin USB3_12) 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_12 USB3+5V B85-PLUS USB3+5V B85-PLUS USB3.0 Front panel connector The USB 3.0 module is purchased separately.
8. Intel® B85 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~4 [yellow]) This connector connects to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s signal cables. SATA6G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND SATA6G_2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND SATA6G_4 SATA6G_3 GND RSATA_RXP4 RSATA_RXN4 GND RSATA_TXN4 RSATA_TXP4 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND B85-PLUS B85-PLUS Intel® SATA 6.
9. System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. PANEL SPEAKER +5V Ground Ground Speaker PWR_LED- PWR_LED+ PWR_LED HDD_LED Reset Ground PWR Ground HDD_LED+ HDD_LED- PIN 1 B85-PLUS PWR_SW RESET * Requires an ATX power supply B85-PLUS System panel connector • • • • • 1-18 System power LED (2-pin PWR_LED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector.
1.8 1. Onboard LEDs Standby Power LED 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.
1.9 1.9.1 Software support Installing an operating system This motherboard supports Windows® 7 (32bit/64bit) and Windows® 8 (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.
1.9.3 Intel® SBA support Intel® SBA (Small Business Advantage) is a combination of hardware and software that provides unique security and productivity capabilities designed for small businesses. • Intel® SBA requires MEI driver (AMT host software kit) installed. • Some models without the 5MB ME firmware do not support Intel® SBA. Please refer to the spec sheet for details.
BIOS information 2.1 Managing and updating your BIOS 2 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. 2.1.1 EZ Update EZ Update is a utility that allows you to automatically update your motherboard’s softwares, drivers and the BIOS version easily. With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST.
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: 2-2 1. Insert the USB flash disk that contains the latest BIOS file to the USB port. 2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash Utility and press to enable it. 3.
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. • Before using this utility, rename the BIOS file in the removable device into B85PLUS.CAP. • The BIOS file in the support DVD may not be the latest version.
Booting the system to a DOS environment 1. Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port. 2. Boot your computer. When the ASUS Logo appears, press to show the BIOS Boot Device Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot device. 3. When the Make Disk menu appears, select the FreeDOS command prompt item by pressing the item number. 4.
3. Press to switch between screen fields and use the keys to select the BIOS file and press . BIOS Updater checks the selected BIOS file and prompts you to confirm BIOS update. 4. Select Yes and press . When BIOS update is done, press to exit BIOS Updater. Restart your computer. DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! • For BIOS Updater version 1.
2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program. Entering BIOS Setup at startup To enter BIOS Setup at startup: • Press during the Power-On Self Test (POST). If you do not press , POST continues with its routines. Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously.
EZ Mode By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode and boot device priority. To access the Advanced Mode, click Exit/Advanced Mode, then select Advanced Mode or press F7 for the advanced BIOS settings. The default screen for entering the BIOS setup program can be changed. Refer to the Setup Mode item in section 2.
Back button Menu items Menu bar Configuration fields Pop-up window Submenu item General help Navigation keys Scroll bar Last modified settings Menu bar Quick note The menu bar on top of the screen has the following main items: My Favorites For saving the frequently-used system settings and configuration Main For changing the basic system configuration Ai Tweaker Advanced Monitor Boot Tool Exit For changing the overclocking settings For changing the advanced system settings For displaying the sy
Pop-up window Select a menu item and press to display a pop-up window with the configuration options for that item. Scroll bar A scroll bar appears on the right side of a menu screen when there are items that do not fit on the screen. Press the Up/Down arrow keys or / keys to display the other items on the screen. Navigation keys At the bottom right corner of the menu screen are the navigation keys for the BIOS setup program.
Adding items to My Favorites To add frequently-used BIOS items to My Favorites: 1. Use the arrow keys to select an item that you want to add. When using a mouse, hover the pointer to the item. 2. Press on your keyboard or right-click on your mouse to add the item to My Favorites page.
• If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.6 Jumpers for information on how to erase the RTC RAM. • The Administrator or User Password items on top of the screen show the default Not Installed. After you set a password, these items show Installed. Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system.
To clear the user password, follow the same steps as in changing a user password, but press when prompted to create/confirm the password. After you clear the password, the User Password item on top of the screen shows Not Installed. 2.5 Ai Tweaker menu The Ai Tweaker menu items allow 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 malfunction.
Scroll down to display the following items: Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed. Target DRAM Speed : xxxxMHz Displays the target DRAM speed. Target Cache Speed : xxxxMHz Displays the target Cache speed. Target DMI/PEG Clock : xxxxMHz Displays the target DMI/PEG clock. Target iGPU Speed : xxxxMHz Displays the target iGPU speed. 2.5.1 Ai Overclock Tuner [Auto] Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency.
2.5.3 CPU Core Ratio [Auto] Allows you to set the CPU core ratio automatically or manually. [Auto] Sets all CPU Core Ratio to Intel® CPU default settings automatically. [Per Core] Allows you to set CPU Core Ratio individually. [Sync All Cores] Allows you to set CPU Core Ratio settings for all cores. The following two items appear only when you set the CPU Core Ratio to [Sync All Cores] or [Per Core]. 1-Core Ratio Limit [Auto] Allows you to set the 1-Core Ratio Limit.
2.5.7 Memory Frequency [Auto] Allows you to set the memory operating frequency. The configuration options vary with the BCLK/PEG Frequency item settings. Selecting a very high memory frequency may cause the system to become unstable! If this happens, revert to the default setting. 2.5.8 CPU Graphics Max. Ratio [Auto] [Auto] The CPU Graphics Max. ratio is set to its optimized setting depending on the system loading. [Manaul] 2.5.9 Use the <+> or <-> keys to adjust the optimal CPU Graphics Max.
Secondary Timings DRAM RAS# to RAS# Delay [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] DRAM REF Cycle Time [Auto] Configuration options: [Auto] [1 DRAM Clock] – [511 DRAM Clock] DRAM Refresh Interval [Auto] Configuration options: [Auto] [1 DRAM Clock] – [65535 DRAM Clock] DRAM WRITE Recovery Time [Auto] Configuration options: [Auto] [1 DRAM Clock] – [16 DRAM Clock] DRAM READ to PRE Time [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] DRAM FOUR ACT WIN
tWRRD_dr [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] tWRRD_dd [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] tWRWR [Auto] Configuration options: [Auto] [1 DRAM Clock] – [7 DRAM Clock] tWRWR_dr [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] tWRWR_dd [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] Dec_WRD [Auto] Configuration options: [Auto] [0] [1] tRDWR [Auto] Configuration options: [Auto] [1 DRAM Cloc
2.5.12 DIGI+ VRM CPU Load-Line Calibration [Auto] Load-line is defined by Intel VRM specification and affects CPU voltage. The CPU working voltage will decrease proportionally to CPU loading. Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal conditions. This item allows you to adjust the voltage range from the following percentages to boost the system performance: 0% (Regular), 25% (Medium), 50% (High), 75% (Ultra High), and 100% (Extreme).
2.5.13 CPU Power Management The subitems in this menu allow you to set the CPU ratio and features. Enhanced Intel® SpeedStep Technology [Enabled] Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST). [Disabled] Disables this function. [Enabled] The operating system dynamically adjusts the processor voltage and core frequency which may result in decreased average consumption and decreased average heat production.
CPU Internal Power Configuration CPU Integrated VR Efficiency Management [Auto] Allows you to manage the CPU integrated VR efficiency. Configuration options: [Auto] [High Performance] [Balanced] Power Decay Mode [Auto] Enable to improve power saving on the Fully Integrated Voltage Regulator as the processor enters low current mode. Configuration options: [Auto] [Disabled] [Enabled] Idle Power-in Response [Auto] Allows you to set the idle power-in response.
[Adaptive Mode] is available for some specific CPU types. CPU Core Voltage Override [Auto] This item appears only when you set the CPU Core Voltage to [Manual Mode] and allows you to set the CPU core voltage override. The values range from 0.001V to 1.920V with a 0.001V interval. Offset Mode Sign [+] This item appears only when you set the CPU Core Voltage to [Offset Mode] or [Adaptive Mode] and allows you to set the offset mode sign.
Additional Turbo Mode CPU Cache Voltage [Auto] This item appears only when you set the CPU Cache Voltage to [Adaptive Mode] and allows you to set the additional turbo mode CPU cache voltage. The values range from 0.001V to 1.920V with a 0.001V interval. Total Adaptive Mode CPU Cache Voltage [Auto] This item appears only when you set the CPU Cache Voltage to [Adaptive Mode] and allows you to set the total adaptive mode CPU cache voltage. The values range from 0.001V to 1.920V with a 0.001V interval. 2.5.
CPU System Agent Voltage Offset [Auto] This item allows you to set the CPU system agent voltage offset. Increase the value when increasing DRAM frequency. The values range from 0.001V to 0.999V with a 0.001V interval. 2.5.19 CPU Analog I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU analog I/O voltage offset mode sign. Configuration options: [+] [-]. CPU Analog I/O Voltage Offset [Auto] This item allows you to set the CPU analog I/O voltage offset.
2.5.24 PCH VLX Voltage [Auto] Allows you to set the voltage for the I/O on the PCH. Use the <+> or <-> keys to adjust the value. The values range from 1.185V to 2.135V with a 0.005V interval. 2.5.25 PCH Voltage [Auto] Allows you to set the Platform Controller Hub voltage. Use the <+> or <-> keys to adjust the value. The values range from 0.735V to 1.500V with a 0.005V interval. The system may need better cooling system to work stably under high voltage settings. 2.5.
2.6.1 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. The items shown in submenu may be different due to the CPU you installed. Intel® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to cool down. [Disabled] Disables the CPU thermal monitor function.
Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection Technology. [Disabled] Forces the XD feature flag to always return to zero (0). Intel® Virtualization Technology [Disabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function.
Enhanced C1 state [Enabled] [Enabled] [Disabled] Enables enhanced C1 state. Disables enhanced C1 state. CPU C3 Report [Enabled] Allows you to disable or enable the CPU C3 report to OS. Configuration options: [Enabled] [Disabled] CPU C6 report [Enabled] Allows you to disable or enable the CPU C6 report to OS. Configuration options: [Enabled] [Disabled] C6 Latency [Short] Allows you to choose short or long latency for C6.
Entry After [x] Allows you to set the wake-up time.The values range from 0 (immediately) to 120. Active Page Threshold Support [Enabled] The system automatically set itself to sleep when the partition size is not enough for Rapid Start Technology to work. Configuration options: [Enabled] [Disabled] Active Memory Threshold [0] Key in the value for the additional partition size for Rapid Start Technology to work. Ensure that the caching partition size is larger than the total memory size.
S.M.A.R.T. Status Check [Enabled] S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When read/write of your hard disk errors occur, this feature allows the hard disk to report warning messages during the POST. Configuration options: [Enabled] [Disabled] Hot Plug [Disabled] These items appear only when you set the SATA Mode Selection item to [AHCI] and allow you to enable/disable SATA Hot Plug Support. Configuration options: [Disabled] [Enabled] 2.6.
PCIEX16_1 Link Speed [Auto] Allows you to configure the PCIEX16_1 speed. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] DMI Link ASPM Control [Auto] Allows you to enable or disable the control of Active State Power Management on SA side of the DMI Link. Configuration options: [Auto] [Disabled] [L0s] [L1] [L0sL1] PEG - ASPM [Disabled] Allows you to control ASPM support for the PEG Device. The setting takes no effect if PEG is not the active device at present.
Legacy USB Support [Enabled] [Disabled] The USB devices can be used only for the BIOS setup program. [Auto] Allows the system to detect the presence of USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled. [Enabled] Enables the support for USB devices on legacy operating systems (OS). Intel® xHCI Mode [Smart Auto] [Smart Auto] Enables the operation of xHCI controller. [Enabled] Enables the function.
Front Panel Type [HD] Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or highdefinition audio depending on the audio standard that the front panel audio module supports. [HD] [AC97] Sets the front panel audio connector (AAFP) mode to high definition audio. Sets the front panel audio connector (AAFP) mode to legacy AC’97 SPDIF Out Type [SPDIF] [SPDIF] [HDMI] Sets to an SPDIF audio output. Sets to an HDMI audio output.
[Power Key] Sets Power key on the PS/2 keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Power On By PS/2 Mouse [Disabled] [Disabled] Disables the Power On by a PS/2 mouse. [Enabled] Enables the Power On by a PS/2 mouse. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
2.7 Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. Scroll down to display the following items: 2.7.1 CPU Temperature [xxxºC/xxxºF] The onboard hardware monitor automatically detects and displays the CPU temperature. Select Ignore if you do not wish to display the detected temperature. 2.7.
2.7.4 CPU Q-Fan Control [Enabled] [Disabled] Disables the CPU Q-Fan control feature. [Enabled] Enables the CPU Q-Fan control feature. CPU Fan Speed Low Limit [200 RPM] This item appears only when you enable the CPU Q-Fan Control feature and allows you to disable or set the CPU fan warning speed.
Chassis1/2 Fan Profile [Standard] This item appears only when you enable the Chassis1/2 Q-Fan Control feature and allows you to set the appropriate performance level of the chassis fan. [Standard] [Silent] [Turbo] [Manual] Sets to [Standard] to make the chassis fan automatically adjust depending on the chassis temperature. Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. Sets to [Turbo] to achieve maximum chassis fan speed.
2.8 Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: 2.8.1 Fast Boot [Enabled] [Enabled] Select to accelerate the boot speed. [Disabled] Select to go back to normal boot. The following four items appear when you set Fast Boot to [Enabled]. USB Support [Partial Initialization] [Disabled] All USB devices will not be available until OS boot up for a fastest POST time.
PS/2 Keyboard and Mouse Support [Auto] Select any of these settings when PS/2 keyboard and mouse are installed. These settings only apply when Fast Boot is enabled. [Auto] For a faster POST time, PS/2 devices will only be available when the system boots up or rebooted when the PS/2 devices have not been reconnected or changed. If you disconnect or change PS/2 devices before restarting the system, PS/2 devices will not be available and BIOS setup program will not be accessible via PS/2 devices.
2.8.4 Wait for ‘F1’ If Error [Enabled] When this item is set to [Enabled], the system waits for the F1 key to be pressed when error occurs. Configuration options: [Disabled] [Enabled] 2.8.5 Option ROM Messages [Force BIOS] [Force BIOS] [Keep Current] 2.8.6 The third-party ROM messages will be displayed only if the third-party manufacturer had set the add-on device to do so. Interrupt 19 Capture [Disabled] [Enabled] Allows the option ROMs to trap Interrupt 19. [Disabled] 2.8.
Boot from PCIe/PCI Expansion Devices [Legacy OpROM first] Allows you to select the type of PCIe/PCI expansion devices that you want to launch. Configuration options: [Legacy OpROM first] [UEFI driver first] 2.8.9 Secure Boot Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST. OS Type [Windows UE...] Allows you to select your installed operating system.
KEK Management The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx). Key-exchange Key (KEK) refers to Microsoft® Secure Boot Key-Enrollment Key (KEK). Delete the KEK Allows you to delete the KEK from your system. Configuration options: [Yes] [No] Load KEK from File Allows you to load the downloaded KEK from a USB storage device.
2.8.10 Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. • • 2.8.11 To select the boot device during system startup, press when ASUS Logo appears. To access Windows OS in Safe Mode, do any of the following: • Press when ASUS Logo appears. • Press after POST. Boot Override These items displays the available devices.
2.9 Tools menu 2.9.1 ASUS EZ Flash 2 Utility The Tools menu items allow you to configure options for special functions. Select an item then press to display the submenu. Allows you to run ASUS EZ Flash 2. Press [Enter] to launch the ASUS EZ Flash 2 screen. For more details, see section 2.1.2 ASUS EZ Flash 2. 2.9.2 ASUS O.C. Profile This item allows you to store or load multiple BIOS settings. The Setup Profile Status items show Not Installed if no profile is created.
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. You can access the EZ Mode from the Exit menu. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press , a confirmation window appears. Select Yes to load the default values.
Appendices Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • • This device may not cause harmful interference. This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. This class B digital apparatus complies with Canadian ICES-003.
ASUS contact information ASUSTeK COMPUTER INC. Address Telephone Fax E-mail Web site Technical Support Telephone Online support 15 Li-Te Road, Peitou, Taipei, Taiwan 11259 +886-2-2894-3447 +886-2-2890-7798 info@asus.com.tw www.asus.com.tw +86-21-38429911 support.asus.
A-4 Appendices (510)739-3777/(510)608-4555 800 Corporate Way, Fremont, CA 94539. Asus Computer International Date : Signature : Representative Person’s Name : Apr. 03, 2012 Steve Chang / President This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
