Motherboard H81M-C R2.
E9045 First Edition March 2014 Copyright © 2014 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................................................................................................ 4 About this guide.................................................................................................... 4 Package contents.................................................................................................. 6 H81M-C R2.0 specifications summary................................................................. 6 Chapter 1: Product introduction 1.
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. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. 2. 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 H81M-C R2.0 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. H81M-C R2.
H81M-C R2.0 specifications summary USB ASUS unique features Intel® H81 Express Chipset - 2 x USB 3.0/2.0 ports at back panel - 8 x USB2.0/1.1 ports (4 ports at midboard, 4 ports at back panel) ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 ASUS Exclusive Features - ASUS ESD Guards - Enhanced ESD protection - ASUS High-Quality 5K-Hour Solid Capacitors - 2.
H81M-C R.20 specifications summary Internal connectors BIOS features 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports 2 x SATA 6.0 Gb/s connectors 2 x SATA 3.0 Gb/s connectors 1 x CLRTC jumper 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connectors 1 x Front panel audio connector (AAFP) 1 x System panel connector 1 x Speaker connector 1 x TPM Header 1 x COM connector 1 x 24-pin ATX power connector 1 x 4-pin ATX 12V power connector 64 Mb Flash ROM, UEFI BIOS, PnP, DMI v2.0, WfM2.
Product introduction 1.1 Before you proceed 1 Take note of the following precautions before you install motherboard components or change any motherboard settings. • 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.
1.2 Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits. Unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage to motherboard components. 1.2.1 Placement direction When installing the motherboard, 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. 1.2.
1.2.3 Motherboard layout 1 2 17.8cm(7.0in) 3 3 4 CPU_FAN KBMS DIGI +VRM LAN_USB34 24.4cm(9.6in) DDR3 DIMM_B1 (64bit, 240-pin module) USB3456 EATXPWR LGA1150 VGA LPT DDR3 DIMM_A1 (64bit, 240-pin module) DVI ATX12V CHA_FAN 1 BATTERY AUDIO H81M-C R2.
1.3 Central Processing Unit (CPU) This motherboard comes with a surface mount LGA1150 socket designed for the Intel® 4th/5th generation Core™ i7 / Core™ i5 / Core™ i3, Pentium® , and Celeron® processors. H81M-C R2.0 H81M-C R2.0 CPU socket LGA1150 Unplug all power cables before installing the CPU. 1-4 • Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the socket contacts are not bent.
1.3.1 Installing the CPU 1 A B 3 2 4 C 5 A B ASUS H81M-C R2.
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 uninstall the CPU heatsink and fan assembly 2 1 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 Modules (DIMM) sockets. DIMM_A1 DIMM_B1 A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better performance with less power consumption. H81M-C R2.
1.4.2 Memory configurations You may install 1GB, 2GB, 4GB, and 8GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. 1-8 • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. • Always install DIMMs with the same CAS latency.
1.4.3 Installing a DIMM To install a DIMM 1 2 3 To remove a DIMM B A A ASUS H81M-C R2.
1.5 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. 1.5.1 Installing an expansion card To install an expansion card: 1.
IRQ assignments for this motherboard A B C D E F G H PCIEx16 shared – – – – – – – PCIEx1_1 PCIEx1_2 Realtek 8111F controller – – shared – – shared – – – shared – – – – – – – – – – – – – – – shared USB2.0 controller 1 – – – – – – USB2.0 controller 2 HD audio SATA controller 1 SATA controller 2 – – – – – – – – – – – – – – shared shared – – – – – – – – ASUS H81M-C R2.
1.6 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 H81M-C R2.0 1 2 2 3 Normal (Default) Clear RTC H81M-C R2.0 Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2.
1.7 Connectors 1.7.1 Rear panel connectors 1 11 10 9 5 6 4 3 2 7 8 1. PS/2 mouse port (green). This port is for a PS/2 mouse. 2. Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices. 3. USB 2.0 ports. These 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices. 4. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub.
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration Port Light Blue (Rear panel) Lime (Rear panel) Pink (Rear panel) Lime (Front panel) Headset 2.1-channel 4.1-channel 5.1-channel 7.1-channel Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out Line Out Mic In - Front Speaker Out Mic In - Front Speaker Out Bass/Center - Front Speaker Out Bass/Center Side Speaker Out To configure a 7.1-channel audio output: • 8. 9. Use a chassis with HD audio module in the front panel to support a 7.
1.7.2 1. Internal connectors ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 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. GND GND ATX12V H81M-C R2.
2. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which securely store keys, digital certificates, passwords and data. A TPM system also helps enhance network security, protect digital identities, and ensures platform integrity. SB_SUS_STAT GND +3VSB SMBSCL LAD0 +3V LAD3 PCIRST# FRAME PCICLK TPM PIN 1 GND RESET GPIO SERIRQ SMBSDA GND LAD1 LAD2 PWROWN H81M-C R2.0 H81M-C R2.0 TPM Connector The TPM module is purchased separately. 3.
4. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) This connector connects to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s signal cables. SATA6G_2 GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND SATA6G_1 H81M-C R2.0 H81M-C R2.0 SATA 6.0Gb/s connectors • You must install Windows. XP Service Pack 3 or later version before using Serial ATA hard disk drives.
6. 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 PWM CPU FAN IN CPU FAN PWR GND CPU_FAN CHA_FAN +5V CHA FAN IN CHA FAN PWR GND H81M-C R2.0 H81M-C R2.0 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.
7. USB 2.0 connectors (10-1 pin USB910, USB1112) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specifications and supports up to 480Mbps connection speed. USB1112 PIN 1 PIN 1 USB+5V USB_P12USB_P12+ GND H81M-C R2.0 USB+5V USB_P10USB_P10+ GND USB+5V USB_P9USB_P9+ GND NC USB+5V USB_P11USB_P11+ GND NC USB910 H81M-C R2.0 USB2.
9. System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. F_PANEL PWR_LED+ PWR_LEDPWR GND +PWR LED PWR BTN HDD_LED+ HDD_LEDGround HWRST# (NC) PIN 1 H81M-C R2.0 +HDD_LED RESET H81M-C R2.0 System panel connector • 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 Software support 1.8.1 Installing an operating system This motherboard supports Windows® XP / Windows® Vista / Windows® 7 / Windows® 8 Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware. 1.8.2 • Motherboard settings and hardware options vary. Refer to your OS documentation for detailed information.
1-22 Chapter 1: Product introduction
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 H81M-C-R2.CAP. • The BIOS file in the support DVD may not be the latest version.
Booting the system to a DOS environment 1. Insert the DOS-bootable USB flash drive with the latest BIOS file and BIOS Updater to your computer’s USB port. 2. Boot your computer. When the ASUS Logo appears, press to show the BIOS Boot Device Select Menu. 3. Select the optical drive as the boot device. The DOS screen appears. Updating the BIOS file To update the BIOS file using BIOS Updater: 1. At the FreeDOS prompt, type bupdater /pc /g and press . 2.
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 Submenu item Menu bar Configuration fields Pop-up window General help Navigation keys Last modified settings Quick note Scroll bar Menu bar The menu bar on top of the screen has the following main items: My Favorites Main For saving the frequently-used system settings and configuration For changing the basic system configuration Ai Tweaker For changing the overclocking settings Advanced Boot For changing the advanced system settings For displaying the system temperatur
Submenu items A greater than sign (>) before each item on any menu screen means that the item has a submenu. To display the submenu, select the item and press . 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.
2.3 My Favorites MyFavorites is your personal space where you can easily save and access your favorite BIOS items. 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.
2.4 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. 2.4.1 System Language [English] Allows you to choose the BIOS language version from the options. Configuration options: [English] [Español] [Русский] [한국어] 2.4.2 System Date [Day xx/xx/xxxx] Allows you to set the system date. 2.4.
Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only selected fields in the BIOS setup program. To set an administrator password: 1. Select the Administrator Password item and press . 2. From the Create New Password box, key in a password, then press . 3. Confirm the password when prompted. To change an administrator password: 1.
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. The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Scroll down to display the other items. Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed.
2.5.1 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. [Sync All Cores] Allows you to set CPU Core Ratio settings for all cores. [Per Core] Allows you to set CPU Core Ratio individually. The following 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.
2.5.5 DRAM 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. 2.5.6 Max. CPU Graphics Ratio [Auto] [Auto] The iGPU frequency is set to its optimized setting depending on the system loading. [Manaul] Use the <+> or <-> keys to adjust the optimal iGPU frequency value.
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 Time [Aut
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 Clock] – [31 DRAM Clock] tRDWR_dr [Auto] Configuration options: [Auto] [1 DRAM Clock] – [31 DRAM
Turbo Mode [Enabled] Allows you to enable your core processor’s speed to run faster than the marked frequency in a specific condition. Configuration options: [Disabled] [Enabled] • Turbo Mode is only available on selected CPU models only. • The following first three items appear only when you set the Turbo Mode to [Enabled]. Turbo Mode Parameters Long Duration Package Power Limit [Auto] Allows you to limit the turbo ratio’s long duration package power. Use the <+> and <-> keys to adjust the value.
Power Current Offset [Auto] Allows you to set the power current offset. Configuration options: [Auto] [100%] [87.5%] [75%] [62.5%] [50%] [37.5%] [25%] [12.5%] [0%] [-12.5%] [-25%] [-37.5%] [-50.0%] [-62.5%] [-75%] [-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to increase to enhance the response of the voltage regulator during the load transient. Configurations: [Auto] [0.00] - [1.50].
CPU Cache Voltage Offset [Auto] This item appears only when you set the CPU Cache Voltage to [Offset Mode] and allows you to set the CPU cache voltage offset. The values range from 0.001V to 0.999V with a 0.001V interval. 2.5.13 CPU Graphics Voltage [Auto] This item allows you to set the CPU graphics voltage. Increase the graphics voltage when increasing the iGPU frequency. Configuration options: [Auto] [Manual Mode] [Offset Mode] [Adaptive Mode].
CPU Analog I/O Voltage Offset [Auto] This item allows you to set the CPU analog I/O voltage offset. Increase the value when increasing DRAM frequency. The values range from 0.001V to 0.999V with a 0.001V interval. .5.16 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I/O voltage offset mode sign. Configuration options: [+] [-]. CPU Digital I/O Voltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset.
2.6 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. 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 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. Hardware Prefetcher [Enabled] [Enabled] Allows a hardware platform to automatically analyze the requirements and prefetch data and codes for the CPU. [Disabled] Disables this function.
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. Configuration options: [Short] [Long] CPU C7 report [CPU C7s] Allows you to disable or enable the CPU C7 report to OS. Configuration options: [Disabled] [CPU C7] [CPU C7s] C7 Latency [Long] Allows you to choose short or long latency for C6.
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. Hybrid Hard Disk Support [Disabled] Allows you to enable or disable hybrid hard disk support. Configuration options: [Enabled] [Disabled] Intel® Smart Connect Technology [Disabled] ISCT Support [Disabled] Allows you to enable or disable the ISCT support. Configuration options: [Enabled] [Disabled] 2.6.
2.6.4 System Agent Configuration VT-d [Disabled] Allows you to enable or disable VT-d function on MCH. Configuration options: [Enabled] [Disabled] CPU Audio Device [Disabled] Allows you to enable or disable CPU SA Audio Device. Configuration options: [Enabled] [Disabled] Graphics Configuration Allows you to select a primary display from iGPU, and PCIe graphical devices. Primary Display [Auto] Allows you to select which of the iGPU/PCIE Graphics device should be the Primary Display.
Memory Configuration Memory Scrambler [Enabled] Allows you to enable or disable Memory Scrambler support. Memory Remap [Enabled] Allows you to enable or disable remapping the memory above 4GB. [Enabled] Enables the function. [Disabled] 2.6.5 Disables this function. USB Configuration The items in this menu allow you to change the USB-related features. The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.
2.6.6 Platform Misc Configuration The items in this menu allow you to configure the Platform Misc. PCI Express Native Power Management [Disabled] Allows you to enhance the power saving feature of PCI Express and perform ASPM operations in the operating system. Configuration options: [Disabled] [Enabled] Native ASPM [Disabled] The item appears only when you set the previous item to [Enabled] and allows you to enable or disable ASPM. Configuration options: [Enabled] [Disabled] 2.6.
Parallel Port [Enabled] Allows you to enable or disable the parallel port (LPT/LPTE). Configuration options: [Enabled] [Disabled] The following items appear only when you set the Parallel Port Configuration item to [Enabled]. Change Settings [Auto] Allows you to select an optimal setting for Super I/O devices. Configuration options: [Auto] [IO=378h; IRQ=5;] [IO=378h; IRQ=5,6,7,9,10,11,12;] [IO=278h; IRQ=5,6,7,9,10,11,12;] [IO=3BCh; IRQ=5,6,7,9,10,11,12;] Device Mode [STD Printe...
2.6.9 Network Stack Configuration Network Stack [Disabled] This item allows user to disable or enable the UEFI network stack. Configuration options: [Disabled] [Enabled] The following two items appear only when you set the previous item to [Enabled]. Ipv4 PXE Support [Enabled] This item allows user to disable or enable the Ipv4 PXE Boot support. Configuration options: [Disabled] [Enabled] Ipv6 PXE Support [Enabled] This item allows user to disable or enable the Ipv6 PXE Boot support.
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 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] The onboard hardware monitor automatically detects and displays the CPU / chassis fan speeds in rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows N/A.
CPU Lower Temperature [20] Displays the lower limit of the CPU temperature. CPU Fan Min. Duty Cycle(%) [20] Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values range from 20% to 100%. When the CPU temperature is under the lower limit, the CPU fan will operate at the minimum duty cycle. 2.7.5 Chassis Q-Fan Control [Enabled] [Disabled] Disables the Chassis Q-Fan control feature. [Enabled] Enables the Chassis Q-Fan control feature.
2.8 Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the other items. 2.8.1 Fast Boot [Enabled] [Enabled] Select to accelerate the boot speed. [Disabled] Select to go back to normal boot. The following five items appear when you set Fast Boot to [Enabled]. SATA Support [All Devices] [All Devices] All devices connected to SATA ports will be available during POST. This process will extend the 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.
2.8.5 Option ROM Messages [Force BIOS] [Force BIOS] The third-party ROM messages will be forced to display during the boot sequence. [Keep Current] The third-party ROM messages will be displayed only if the third-party manufacturer had set the add-on device to do so. 2.8.6 Interrupt 19 Capture [Disabled] [Enabled] Allows the option ROMs to trap Interrupt 19. [Disabled] Disables this function. 2.8.
Boot from Storage Devices [Legacy OPR...] Allows you to select the type of storage devices that you want to launch. Configuration options: [Both, Legacy OPROM first] [Both, UEFI first] [Legacy OPROM first] [UEFI driver first] [Ignore] Boot from PCI-E/PCI Expansion Devices [Legacy OPR...] 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.
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.
Save to Profile Allows you to save the current BIOS settings to the BIOS Flash, and create a profile. Key in a profile number from one to eight, press , and then select Yes. Load from Profile Allows you to load the previous BIOS settings saved in the BIOS Flash. Key in the profile number that saved your CMOS settings, press , and then select Yes.
Discard Changes & Exit This option allows you to exit the Setup program without saving your changes. When you select this option or if you press , a confirmation window appears. Select Yes to discard changes and exit. ASUS EZ Mode This option allows you to enter the EZ Mode screen. Launch EFI Shell from filesystem device This option allows you to attempt to launch the EFI Shell application (shellx64.efi) from one of the available devices that have a filesystem.
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 15 Li-Te Road, Peitou, Taipei, Taiwan 11259 Telephone +886-2-2894-3447 Fax +886-2-2890-7798 E-mail info@asus.com.tw Web site http://www.asus.com/tw Technical Support Telephone Fax Online support +86-21-3842-9911 +86-21-5866-8722 ext. 9101# hhttp://www.asus.
44 Appendices (510)739-3777/(510)608-4555 800 Corporate Way, Fremont, CA 94539. Asus Computer International Date : Signature : Representative Person’s Name : Mar. 10, 2014 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.
