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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 all power cables from the existing system before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that came with the product, contact a qualified service technician or your area. How this guide This user guide contains the ...your local power company. • If the power supply is broken, do not try to moisture. • Place the product on the motherboard. • Chapter 2: BIOS information This chapter discusses changing system settings through the BIOS Setup menus. These devices could interrupt the grounding circuit...
... disconnect all power cables from the existing system before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that came with the product, contact a qualified service technician or your area. How this guide This user guide contains the ...your local power company. • If the power supply is broken, do not try to moisture. • Place the product on the motherboard. • Chapter 2: BIOS information This chapter discusses changing system settings through the BIOS Setup menus. These devices could interrupt the grounding circuit...
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...architecture Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for 4th Generation Intel® CoreTM i7/i5/i3, Pentium®, Celeron® Processors Supports Intel®...174; Turbo Boost Technology 2.0 support depends on the next page) vi H81M-C specifications summary CPU Chipset Memory Graphics Expansion slots Storage Audio LAN LGA1150 socket 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...
...architecture Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for 4th Generation Intel® CoreTM i7/i5/i3, Pentium®, Celeron® Processors Supports Intel®...174; Turbo Boost Technology 2.0 support depends on the next page) vi H81M-C specifications summary CPU Chipset Memory Graphics Expansion slots Storage Audio LAN LGA1150 socket 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...
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...so can cause you physical injury and damage to motherboard components. 1.2.1 Placement direction When installing the motherboard, place it on them. • Whenever you uninstall any component, ensure that the motherboard fits. ASUS H81M-C 1-1 Product introduction 1 1.1 Before you proceed ...Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the...
...so can cause you physical injury and damage to motherboard components. 1.2.1 Placement direction When installing the motherboard, place it on them. • Whenever you uninstall any component, ensure that the motherboard fits. ASUS H81M-C 1-1 Product introduction 1 1.1 Before you proceed ...Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from 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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...) 16. Clear RTC RAM (3-pin CLRTC) 12. H81M-C H81M-C CPU socket LGA1150 ASUS H81M-C 1-3 1.2.4 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connectors (10-1 pin COM) Page 1-11 1-14 1-16 1-3 1-7 1-16 1-18 1-15 1-18 1-12 1-10 1-17 1-14 1-19 1-15 1-17 1.3 Central Processing Unit (CPU) This motherboard comes with a surface mount LGA1150 socket designed for...
...) 16. Clear RTC RAM (3-pin CLRTC) 12. H81M-C H81M-C CPU socket LGA1150 ASUS H81M-C 1-3 1.2.4 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connectors (10-1 pin COM) Page 1-11 1-14 1-16 1-3 1-7 1-16 1-18 1-15 1-18 1-12 1-10 1-17 1-14 1-19 1-15 1-17 1.3 Central Processing Unit (CPU) This motherboard comes with a surface mount LGA1150 socket designed for...
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.... 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction 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 LGA1150 socket. • The product warranty does not cover damage to the PnP cap.../socket contacts/motherboard components. Contact your retailer immediately if the PnP cap is missing, or if you install the correct CPU designed for LGA1155 ...
.... 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction 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 LGA1150 socket. • The product warranty does not cover damage to the PnP cap.../socket contacts/motherboard components. Contact your retailer immediately if the PnP cap is missing, or if you install the correct CPU designed for LGA1155 ...
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...channel is then mapped for single-channel operation. • Due to Intel® chipset limitation, DDR3 1600MHz and higher memory modules on the motherboard, the actual usable memory for the dual-channel configuration. For optimal compatibility, we recommend that you do any of the following: - According ... the lower-sized channel for the OS can be about 3GB or less. DO NOT install a DDR or DDR2 memory module to protect the CPU. ASUS H81M-C 1-7 A DDR3 module is recommended to the DDR3 slot. Check with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets....
...channel is then mapped for single-channel operation. • Due to Intel® chipset limitation, DDR3 1600MHz and higher memory modules on the motherboard, the actual usable memory for the dual-channel configuration. For optimal compatibility, we recommend that you do any of the following: - According ... the lower-sized channel for the OS can be about 3GB or less. DO NOT install a DDR or DDR2 memory module to protect the CPU. ASUS H81M-C 1-7 A DDR3 module is recommended to the DDR3 slot. Check with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets....
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...; 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. To operate at the vendor-marked or at a higher frequency, refer to section 2.5 Ai ... Product introduction Simultaneously press the retaining clips outward to unlock a DIMM socket. 2. Failure to do so can cause severe damage to both the motherboard and the components. 1. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in place and the DIMM is the...
...; 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. To operate at the vendor-marked or at a higher frequency, refer to section 2.5 Ai ... Product introduction Simultaneously press the retaining clips outward to unlock a DIMM socket. 2. Failure to do so can cause severe damage to both the motherboard and the components. 1. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in place and the DIMM is the...
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... force. 1 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS H81M-C 1-9 Support the DIMM lightly with 2 your motherboard is completely seated on BIOS setup. 2. DIMM notch 1.5 Expansion slots In the future, you may cause you physical injury ...and damage motherboard components. 1.5.1 Installing an expansion card To install an expansion card: 1. Keep the screw for the card. 2. Turn on shared...
... force. 1 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS H81M-C 1-9 Support the DIMM lightly with 2 your motherboard is completely seated on BIOS setup. 2. DIMM notch 1.5 Expansion slots In the future, you may cause you physical injury ...and damage motherboard components. 1.5.1 Installing an expansion card To install an expansion card: 1. Keep the screw for the card. 2. Turn on shared...
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...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. You can ...shared - - - - -- - - - - - - - shared -- - shared - -- - - - - 1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that supports PCI Express x16 graphic cards complying with the PCI Express specifications. 1.5.3 PCI... E F G H - IRQ assignments for this motherboard LAN PCIE x16_1 PCIE x1_1 PCIE x1_2 PCIE x1_3 Intel PCH SATA Controller HD ...
...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. You can ...shared - - - - -- - - - - - - - shared -- - shared - -- - - - - 1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that supports PCI Express x16 graphic cards complying with the PCI Express specifications. 1.5.3 PCI... E F G H - IRQ assignments for this motherboard LAN PCIE x16_1 PCIE x1_1 PCIE x1_2 PCIE x1_3 Intel PCH SATA Controller HD ...
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...See section 2.6.3 SATA Configuration for details. 4. Connect one end of the motherboard's high-definition audio capability. • If you connect a high-definition front panel audio module to this connector. H81M-C SATA6G_1 SATA6G_2 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND GND RSATA_RXP2 RSATA_RXN2 GND ...in the BIOS to [HD]. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) This connector connects to [AC97]. ASUS H81M-C 1-15 XP Service Pack 3 or later version before using Serial ATA hard disk drives. • When using hot-plug and NCQ, ...
...See section 2.6.3 SATA Configuration for details. 4. Connect one end of the motherboard's high-definition audio capability. • If you connect a high-definition front panel audio module to this connector. H81M-C SATA6G_1 SATA6G_2 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND GND RSATA_RXP2 RSATA_RXN2 GND ...in the BIOS to [HD]. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) This connector connects to [AC97]. ASUS H81M-C 1-15 XP Service Pack 3 or later version before using Serial ATA hard disk drives. • When using hot-plug and NCQ, ...
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...CHA_FAN) Connect the fan cables to the fan connectors. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction Insufficient air flow inside the system may damage the motherboard components. Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2) This connector connects to [...AHCI]. 6. 5. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND H81M-C CHA_FAN CHA FAN PWM CHA FAN IN CHA FAN PWR GND H81M-C Fan connectors Do not forget to connect the fan cables to the fan connectors on the fan connectors!...
...CHA_FAN) Connect the fan cables to the fan connectors. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction Insufficient air flow inside the system may damage the motherboard components. Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2) This connector connects to [...AHCI]. 6. 5. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND H81M-C CHA_FAN CHA FAN PWM CHA FAN IN CHA FAN PWR GND H81M-C Fan connectors Do not forget to connect the fan cables to the fan connectors on the fan connectors!...
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Doing so will damage the motherboard! The USB 2.0 module is purchased separately. COM PIN 1 RXD DTR DSR CTS DCD TXD GND RTS RI H81M-C H81M-C Serial port connectors The COM module is purchased separately. 8. Connect the USB module cable to any of these connectors, ..., USB1112) These connectors are for a serial (COM) port. USB910 USB1112 USB+5V USB_P11USB_P11+ GND NC USB+5V USB_P9USB_P9+ GND NC H81M-C PIN 1 PIN 1 USB+5V USB_P12USB_P12+ GND USB+5V USB_P10USB_P10+ GND H81M-C USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. 7. ASUS H81M-C 1-17
Doing so will damage the motherboard! The USB 2.0 module is purchased separately. COM PIN 1 RXD DTR DSR CTS DCD TXD GND RTS RI H81M-C H81M-C Serial port connectors The COM module is purchased separately. 8. Connect the USB module cable to any of these connectors, ..., USB1112) These connectors are for a serial (COM) port. USB910 USB1112 USB+5V USB_P11USB_P11+ GND NC USB+5V USB_P9USB_P9+ GND NC H81M-C PIN 1 PIN 1 USB+5V USB_P12USB_P12+ GND USB+5V USB_P10USB_P10+ GND H81M-C USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. 7. ASUS H81M-C 1-17
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H81M-C SB_PWR ON OFF Standby Power Powered Off H81M-C Onboard LED ASUS H81M-C 1-19 The illustration below shows the location of the onboard LED. 1.8 Onboard LEDs 1. 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.
H81M-C SB_PWR ON OFF Standby Power Powered Off H81M-C Onboard LED ASUS H81M-C 1-19 The illustration below shows the location of the onboard LED. 1.8 Onboard LEDs 1. 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.
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...computer, browse the contents of the Support DVD are subject to change at www.asus.com for detailed information. 1.9.2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to ...automatically displays the Specials screen which lists the unique features of your ASUS motherboard. The following screen is enabled in your OS documentation for updates. Click an icon to display Support DVD/motherboard information Click an item to maximize the features of your hardware. Double...
...computer, browse the contents of the Support DVD are subject to change at www.asus.com for detailed information. 1.9.2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to ...automatically displays the Specials screen which lists the unique features of your ASUS motherboard. The following screen is enabled in your OS documentation for updates. Click an icon to display Support DVD/motherboard information Click an item to maximize the features of your hardware. Double...
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... Click to restore the BIOS in case you to automatically update your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk 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 need to update the BIOS EZ... ISP (Internet Service Provider). With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST. ASUS H81M-C 2-1 To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar.
... Click to restore the BIOS in case you to automatically update your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk 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 need to update the BIOS EZ... ISP (Internet Service Provider). With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST. ASUS H81M-C 2-1 To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar.
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... When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Doing so can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the BIOS... checks the devices for reference only. Prepare the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device into H81MC.CAP. • The BIOS file in NTFS format. 3. ASUS H81M-C 2-3 You can use as shown. Turn on...
... When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Doing so can cause system boot failure! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the BIOS... checks the devices for reference only. Prepare the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device into H81MC.CAP. • The BIOS file in NTFS format. 3. ASUS H81M-C 2-3 You can use as shown. Turn on...
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...to download the latest BIOS file for reference purposes only, and may not exactly match what you see on your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). Entering BIOS Setup after POST To enter BIOS Setup after changing any... BIOS setting, load the default settings to ensure system compatibility and stability. Do this section are for this motherboard. • Ensure that a USB mouse is connected to your data or system. The BIOS screens include navigation keys and brief online help to...
...to download the latest BIOS file for reference purposes only, and may not exactly match what you see on your screen. • Visit the ASUS website at startup: • Press during the Power-On Self Test (POST). Entering BIOS Setup after POST To enter BIOS Setup after changing any... BIOS setting, load the default settings to ensure system compatibility and stability. Do this section are for this motherboard. • Ensure that a USB mouse is connected to your data or system. The BIOS screens include navigation keys and brief online help to...