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Contents Safety information iv About this guide iv Package contents vi H81M-C specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers 1-10 1.7 Connectors 1-12 1.8 Onboard LEDs 1-19 1.9 Software support 1-20 BIOS information 2.1 Managing and ...menu 2-11 2.5 Ai Tweaker menu 2-13 2.6 Advanced menu 2-22 2.7 Monitor menu 2-31 2.8 Boot menu 2-34 2.9 Tools menu 2-40 2.10 Exit menu 2-41 Appendices Notices...A-1 ASUS contact information A-3 iii
Contents Safety information iv About this guide iv Package contents vi H81M-C specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers 1-10 1.7 Connectors 1-12 1.8 Onboard LEDs 1-19 1.9 Software support 1-20 BIOS information 2.1 Managing and ...menu 2-11 2.5 Ai Tweaker menu 2-13 2.6 Advanced menu 2-22 2.7 Monitor menu 2-31 2.8 Boot menu 2-34 2.9 Tools menu 2-40 2.10 Exit menu 2-41 Appendices Notices...A-1 ASUS contact information A-3 iii
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...disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the motherboard, ensure that all power cables are unplugged. • Seek professional assistance before the signal cables are using the product, ensure all ...Ensure that the power cables for the devices are unplugged before using an adapter or extension cord. Operation safety • Before installing the motherboard and adding components, carefully read all power cables from the existing system before you detect any area where it supports. If you add...
...disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the motherboard, ensure that all power cables are unplugged. • Seek professional assistance before the signal cables are using the product, ensure all ...Ensure that the power cables for the devices are unplugged before using an adapter or extension cord. Operation safety • Before installing the motherboard and adding components, carefully read all power cables from the existing system before you detect any area where it supports. If you add...
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...Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS H81M-C motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of the ...1920 x 1200 @60Hz Maximum shared memory of 1920 x 1200 @60Hz - Multi-VGA output support: D-SUB, DVI-D ports - H81M-C specifications summary CPU Chipset Memory Graphics Expansion slots Storage Audio LAN LGA1150 socket for 4th Generation Intel® CoreTM i7/i5/i3, ...
...Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS H81M-C motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of the ...1920 x 1200 @60Hz Maximum shared memory of 1920 x 1200 @60Hz - Multi-VGA output support: D-SUB, DVI-D ports - H81M-C specifications summary CPU Chipset Memory Graphics Expansion slots Storage Audio LAN LGA1150 socket for 4th Generation Intel® CoreTM i7/i5/i3, ...
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... pad or in the correct orientation. Doing so can cause you physical injury and damage to motherboard components. 1.2.1 Placement direction When installing the motherboard, place it into the holes indicated by the edges to the chassis. ASUS H81M-C 1-1 The edge with the component. • Before you install or remove any component, ensure that the...
... pad or in the correct orientation. Doing so can cause you physical injury and damage to motherboard components. 1.2.1 Placement direction When installing the motherboard, place it into the holes indicated by the edges to the chassis. ASUS H81M-C 1-1 The edge with the component. • Before you install or remove any component, ensure that the...
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... towards the rear of the chassis H81M-C 1.2.3 Motherboard layout 12 3 4 17.8cm(7.0in) 35 KBMS ATX12V DIGI +VRM CPU_FAN DVI DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) EATXPWR 24.4cm(9.6in) LPT VGA LGA1150 PS2_USBPW1-6 1-2 USB3~6 LAN_USB3_12 CHA_FAN 2 AUDIO BATTERY COM H81M-C PCIEX16_1 RTL 8111G PCIEX1_1 8Mb BIOS...
... towards the rear of the chassis H81M-C 1.2.3 Motherboard layout 12 3 4 17.8cm(7.0in) 35 KBMS ATX12V DIGI +VRM CPU_FAN DVI DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) EATXPWR 24.4cm(9.6in) LPT VGA LGA1150 PS2_USBPW1-6 1-2 USB3~6 LAN_USB3_12 CHA_FAN 2 AUDIO BATTERY COM H81M-C PCIEX16_1 RTL 8111G PCIEX1_1 8Mb BIOS...
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... (CPU) This motherboard comes with a surface mount LGA1150 socket designed for the Intel® 4th generation Core™ i7 / Core™ i5 / Core™ i3, Pentium® , Celeron® processors. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) 9. PS2 and USB device wakeup (PS2_USBPW1~6) 2. H81M-C H81M-C CPU socket LGA1150 ASUS H81M-C 1-3 Intel®...
... (CPU) This motherboard comes with a surface mount LGA1150 socket designed for the Intel® 4th generation Core™ i7 / Core™ i5 / Core™ i3, Pentium® , Celeron® processors. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) 9. PS2 and USB device wakeup (PS2_USBPW1~6) 2. H81M-C H81M-C CPU socket LGA1150 ASUS H81M-C 1-3 Intel®...
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DO NOT install a CPU designed for the LGA1150 socket only. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the socket and the socket contacts are not bent. ASUS will shoulder the cost of the PnP cap. 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction Contact your retailer...
DO NOT install a CPU designed for the LGA1150 socket only. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the socket and the socket contacts are not bent. ASUS will shoulder the cost of the PnP cap. 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction Contact your retailer...
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... the correct memory modules. • Due to Intel® chipset limitation, DDR3 1600MHz and higher memory modules on the motherboard. • This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less. Any excess memory from the higher-sized channel ...Check with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. ASUS H81M-C 1-7 A DDR3 module is recommended to the DDR3 slot. DIMM_A1 DIMM_B1 Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 H81M-C H81M-C 240-pin DDR3 DIMM sockets 1.4.2 Memory configurations You may install 1GB, 2GB, 4GB, ...
... the correct memory modules. • Due to Intel® chipset limitation, DDR3 1600MHz and higher memory modules on the motherboard. • This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less. Any excess memory from the higher-sized channel ...Check with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. ASUS H81M-C 1-7 A DDR3 module is recommended to the DDR3 slot. DIMM_A1 DIMM_B1 Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 H81M-C H81M-C 240-pin DDR3 DIMM sockets 1.4.2 Memory configurations You may install 1GB, 2GB, 4GB, ...
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...DIMM. 3. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in the wrong direction to both the motherboard and the components. 1. Simultaneously press the retaining clips outward to unlock a DIMM socket. 2. Under the default state, some memory ...For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs) or overclocking condition. • Visit the ASUS website at a lower frequency than the vendor-marked value. Press the retaining clips outward to unlock the DIMM. 1-8 Chapter 1: Product introduction ...
...DIMM. 3. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in the wrong direction to both the motherboard and the components. 1. Simultaneously press the retaining clips outward to unlock a DIMM socket. 2. Under the default state, some memory ...For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs) or overclocking condition. • Visit the ASUS website at a lower frequency than the vendor-marked value. Press the retaining clips outward to unlock the DIMM. 1-8 Chapter 1: Product introduction ...
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...bracket opposite the slot that came with it by adjusting the software settings. 1. Failure to do not need to the chassis with 2 your motherboard is completely seated on BIOS setup. 2. Secure the card to install expansion cards. Replace the system cover. 1.5.2 Configuring an expansion card ... necessary hardware settings for later use . Turn on shared slots, ensure that the drivers support "Share IRQ" or that they support. ASUS H81M-C 1-9 Support the DIMM lightly with the screw you removed earlier. 6. Unplug the power cord before adding or removing expansion cards. When...
...bracket opposite the slot that came with it by adjusting the software settings. 1. Failure to do not need to the chassis with 2 your motherboard is completely seated on BIOS setup. 2. Secure the card to install expansion cards. Replace the system cover. 1.5.2 Configuring an expansion card ... necessary hardware settings for later use . Turn on shared slots, ensure that the drivers support "Share IRQ" or that they support. ASUS H81M-C 1-9 Support the DIMM lightly with the screw you removed earlier. 6. Unplug the power cord before adding or removing expansion cards. When...
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... card, USB card, and other cards that comply with the PCI Express specifications. 1.5.4 PCI Express x16 slot This motherboard has a PCI Express x16 slot that comply with PCI specifications. H81M-C CLRTC 12 23 Normal (Default) H81M-C Clear RTC RAM Clear RTC To erase the RTC RAM: 1. shared -- - The onboard button cell battery powers...
... card, USB card, and other cards that comply with the PCI Express specifications. 1.5.4 PCI Express x16 slot This motherboard has a PCI Express x16 slot that comply with PCI specifications. H81M-C CLRTC 12 23 Normal (Default) H81M-C Clear RTC RAM Clear RTC To erase the RTC RAM: 1. shared -- - The onboard button cell battery powers...
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... AAFP PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L H81M-C HD-audio-compliant Legacy AC'97 pin definition compliant definition H81M-C Front panel audio connector • We recommend that you connect a high-definition front panel audio module to...supports either HD Audio or legacy AC`97 audio standard. By default, this connector, set the item to this connector. ASUS H81M-C 1-15 Connect one end of the motherboard's high-definition audio capability. • If you want to connect a high-definition front panel audio module to this ...
... AAFP PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L H81M-C HD-audio-compliant Legacy AC'97 pin definition compliant definition H81M-C Front panel audio connector • We recommend that you connect a high-definition front panel audio module to...supports either HD Audio or legacy AC`97 audio standard. By default, this connector, set the item to this connector. ASUS H81M-C 1-15 Connect one end of the motherboard's high-definition audio capability. • If you want to connect a high-definition front panel audio module to this ...
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...! Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction 5. Do not place jumper caps on the motherboard, ensuring that the black wire of each cable matches ... cables to the fan connectors on the fan connectors! SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND H81M-C SATA3G_2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND H81M-C SATA 3.0Gb/s connectors • You must install Windows. CPU and chassis fan connectors (4-pin CPU_FAN...
...! Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction 5. Do not place jumper caps on the motherboard, ensuring that the black wire of each cable matches ... cables to the fan connectors on the fan connectors! SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND H81M-C SATA3G_2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND H81M-C SATA 3.0Gb/s connectors • You must install Windows. CPU and chassis fan connectors (4-pin CPU_FAN...
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....0 connectors Never connect a 1394 cable to 480Mbps connection speed. Doing so will damage the motherboard! Serial port connector (10-1 pin COM) This connector is for USB 2.0 ports. ASUS H81M-C 1-17 Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system...
....0 connectors Never connect a 1394 cable to 480Mbps connection speed. Doing so will damage the motherboard! Serial port connector (10-1 pin COM) This connector is for USB 2.0 ports. ASUS H81M-C 1-17 Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system...
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H81M-C SB_PWR ON OFF Standby Power Powered Off H81M-C Onboard LED ASUS H81M-C 1-19 This is a reminder that the system is ON, in sleep mode, or in any motherboard component. 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. The illustration below shows the location of the onboard LED. 1.8 Onboard LEDs 1.
H81M-C SB_PWR ON OFF Standby Power Powered Off H81M-C Onboard LED ASUS H81M-C 1-19 This is a reminder that the system is ON, in sleep mode, or in any motherboard component. 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. The illustration below shows the location of the onboard LED. 1.8 Onboard LEDs 1.
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...hardware options vary. The contents of the Support DVD are subject to change at www.asus.com for updates. If Autorun is enabled in your ASUS motherboard. Click an icon to display Support DVD/motherboard information Click an item to install If Autorun is for detailed information. 1.9.2 Support ...Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to maximize the features of the Support DVD to avail all motherboard features. Visit the ASUS website at any time without notice. Always install the latest OS version and corresponding updates to display their respective menus.
...hardware options vary. The contents of the Support DVD are subject to change at www.asus.com for updates. If Autorun is enabled in your ASUS motherboard. Click an icon to display Support DVD/motherboard information Click an item to install If Autorun is for detailed information. 1.9.2 Support ...Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to maximize the features of the Support DVD to avail all motherboard features. Visit the ASUS website at any time without notice. Always install the latest OS version and corresponding updates to display their respective menus.
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... EZ Update, click EZ Update on the AI Suite 3 main menu bar. ASUS H81M-C 2-1 BIOS information 2.1 Managing and updating your motherboard's softwares, drivers and the BIOS version easily. Click to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click...when the system goes into POST. With this utlity, 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 update the BIOS EZ Update requires an Internet...
... EZ Update, click EZ Update on the AI Suite 3 main menu bar. ASUS H81M-C 2-1 BIOS information 2.1 Managing and updating your motherboard's softwares, drivers and the BIOS version easily. Click to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click...when the system goes into POST. With this utlity, 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 update the BIOS EZ Update requires an Internet...
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...ASUS CrashFree BIOS 3 is not supported under DOS environment. DO NOT shut down or reset the system while updating the BIOS! Prepare the motherboard...You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains ...found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. The succeeding utility...that you can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS Setup to... and BIOS Updater from the ASUS website at http://support.asus.com and save the BIOS file ...
...ASUS CrashFree BIOS 3 is not supported under DOS environment. DO NOT shut down or reset the system while updating the BIOS! Prepare the motherboard...You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains ...found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. The succeeding utility...that you can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to enter BIOS Setup to... and BIOS Updater from the ASUS website at http://support.asus.com and save the BIOS file ...
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...the BIOS setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, load the default settings to ensure...Mode/Advanced Mode screen. 2-6 Chapter 2: Getting started BIOS menu screen The BIOS setup program can cause damage to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). 2.2 BIOS setup program Use the BIOS Setup program to update the ...
...the BIOS setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, load the default settings to ensure...Mode/Advanced Mode screen. 2-6 Chapter 2: Getting started BIOS menu screen The BIOS setup program can cause damage to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). 2.2 BIOS setup program Use the BIOS Setup program to update the ...