H81M-C User's Manual
Page 2
...free by the applicable law. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Offer to Provide Source Code of Certain Software This product contains copyrighted software...source code archives, etc. If however you encounter any problems in receipt of such software and/or other Free Open Source Software Licenses. or (2) the serial number of the product is dependent on the preferred carrier and the location where you to the source code ...
...free by the applicable law. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Offer to Provide Source Code of Certain Software This product contains copyrighted software...source code archives, etc. If however you encounter any problems in receipt of such software and/or other Free Open Source Software Licenses. or (2) the serial number of the product is dependent on the preferred carrier and the location where you to the source code ...
H81M-C User's Manual
Page 6
.... 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 the latest Memory QVL (Qualified Vendors List). *** Due to the physical characteristics of DDR3 1600MHz. Supports jack-detection, multi-streaming, front panel jack-restasking * Use a chassis with HD audio module in the front panel to www.asus.com 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...
.... 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 the latest Memory QVL (Qualified Vendors List). *** Due to the physical characteristics of DDR3 1600MHz. Supports jack-detection, multi-streaming, front panel jack-restasking * Use a chassis with HD audio module in the front panel to www.asus.com 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...
H81M-C User's Manual
Page 15
... the dual-channel configuration. DO NOT install a DDR or DDR2 memory module to protect the CPU. Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you do any of 512Mb (64MB) chips or less. A DDR3 module is notched differently from the higher-sized channel is recommended to the DDR3 slot. According to Intel® CPU spec, DIMM voltage...
... the dual-channel configuration. DO NOT install a DDR or DDR2 memory module to protect the CPU. Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you do any of 512Mb (64MB) chips or less. A DDR3 module is notched differently from the higher-sized channel is recommended to the DDR3 slot. According to Intel® CPU spec, DIMM voltage...
H81M-C User's Manual
Page 17
... install an expansion card: 1. See Chapter 2 for the expansion card. Assign an IRQ to use . 4. Remove the DIMM from the socket. Failure to do not need to the chassis with extra force. 1 2. Install the software drivers for information on BIOS setup. 2. Support the DIMM lightly with 2 your motherboard is completely seated on the slot. 5. Remove the bracket opposite the slot that they support. When using PCI cards on the system and change the necessary BIOS settings...
... install an expansion card: 1. See Chapter 2 for the expansion card. Assign an IRQ to use . 4. Remove the DIMM from the socket. Failure to do not need to the chassis with extra force. 1 2. Install the software drivers for information on BIOS setup. 2. Support the DIMM lightly with 2 your motherboard is completely seated on the slot. 5. Remove the bracket opposite the slot that they support. When using PCI cards on the system and change the necessary BIOS settings...
H81M-C User's Manual
Page 18
...The onboard button cell battery powers the RAM data in CMOS. shared -- - shared - - - - - - - shared - - - - - -- - - - - - - H81M-C CLRTC 12 23 Normal (Default) H81M-C Clear RTC RAM Clear RTC To erase the RTC RAM: 1. 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. 1.5.3 PCI slots The PCI slot supports cards such as system passwords. IRQ assignments for this motherboard LAN PCIE x16_1 PCIE x1_1 PCIE x1_2 PCIE x1_3 Intel PCH SATA Controller HD...
...The onboard button cell battery powers the RAM data in CMOS. shared -- - shared - - - - - - - shared - - - - - -- - - - - - - H81M-C CLRTC 12 23 Normal (Default) H81M-C Clear RTC RAM Clear RTC To erase the RTC RAM: 1. 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. 1.5.3 PCI slots The PCI slot supports cards such as system passwords. IRQ assignments for this motherboard LAN PCIE x16_1 PCIE x1_1 PCIE x1_2 PCIE x1_3 Intel PCH SATA Controller HD...
H81M-C User's Manual
Page 19
... the jumper cap from pins 1-2 (default) to overclocking. After clearing the CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to pins 1-2. 3. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R.) feature. PS2_USBPW1-6 12 23 H81M-C +5V +5VSB (Default) H81M-C Keyboard Power Setting • The USB device wake-up (PS2_USBPW1~6) Set this jumper to +5V to CPU, DRAM in slow refresh, power supply in reduced power mode). Removing...
... the jumper cap from pins 1-2 (default) to overclocking. After clearing the CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to pins 1-2. 3. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R.) feature. PS2_USBPW1-6 12 23 H81M-C +5V +5VSB (Default) H81M-C Keyboard Power Setting • The USB device wake-up (PS2_USBPW1~6) Set this jumper to +5V to CPU, DRAM in slow refresh, power supply in reduced power mode). Removing...
H81M-C User's Manual
Page 21
...or 7.1-channel configuration Port Light Blue (Rear panel) Lime (Rear panel) Pink (Rear panel) Lime (Front panel) Headset 2.1- USB 2.0 ports 3~6. ASUS H81M-C 1-13 This port connects to USB 3.0 ports for USB 2.0/1.1 devices. 9. DVI-D port. USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports are for faster and better performance from your USB 3.0 devices. 8. Video Graphics Adapter (VGA) port. Rear Speaker Out Front Speaker Out Bass/Center Side Speaker Out To configure an 7.1-channel audio output: Use a chassis with DVI-I. 11. Line In port (light...
...or 7.1-channel configuration Port Light Blue (Rear panel) Lime (Rear panel) Pink (Rear panel) Lime (Front panel) Headset 2.1- USB 2.0 ports 3~6. ASUS H81M-C 1-13 This port connects to USB 3.0 ports for USB 2.0/1.1 devices. 9. DVI-D port. USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports are for faster and better performance from your USB 3.0 devices. 8. Video Graphics Adapter (VGA) port. Rear Speaker Out Front Speaker Out Bass/Center Side Speaker Out To configure an 7.1-channel audio output: Use a chassis with DVI-I. 11. Line In port (light...
H81M-C User's Manual
Page 23
... GND H81M-C SATA 6.0Gb/s connectors • You must install Windows. ASUS H81M-C 1-15 Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) This connector connects to [AHCI]. XP Service Pack 3 or later version before using Serial ATA hard disk drives. • When using hot-plug and NCQ, set the item to [HD]. See section 2.6.3 SATA Configuration for details. 4. See section 2.6.7 Onboard Devices Configuration for details. Connect one end of the motherboard's high-definition audio capability. • If you connect a high-definition front panel audio module...
... GND H81M-C SATA 6.0Gb/s connectors • You must install Windows. ASUS H81M-C 1-15 Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) This connector connects to [AHCI]. XP Service Pack 3 or later version before using Serial ATA hard disk drives. • When using hot-plug and NCQ, set the item to [HD]. See section 2.6.3 SATA Configuration for details. 4. See section 2.6.7 Onboard Devices Configuration for details. Connect one end of the motherboard's high-definition audio capability. • If you connect a high-definition front panel audio module...
H81M-C User's Manual
Page 24
... motherboard, ensuring that the black wire of each cable matches the ground pin of maximum 1A (12 W) fan power. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to [AHCI]. 6. These are not jumpers! Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction 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...
... motherboard, ensuring that the black wire of each cable matches the ground pin of maximum 1A (12 W) fan power. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to [AHCI]. 6. These are not jumpers! Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction 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...
H81M-C User's Manual
Page 28
... to avail all motherboard features. Refer to your hardware. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to change at www.asus.com for reference only. The following screen is NOT enabled in your computer, browse the contents of your ASUS motherboard. Always install the latest OS version and corresponding updates to maximize the features of the Support DVD are subject to display their respective menus...
... to avail all motherboard features. Refer to your hardware. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to change at www.asus.com for reference only. The following screen is NOT enabled in your computer, browse the contents of your ASUS motherboard. Always install the latest OS version and corresponding updates to maximize the features of the Support DVD are subject to display their respective menus...
H81M-C User's Manual
Page 29
... connection either through a network or an ISP (Internet Service Provider). ASUS H81M-C 2-1 To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click to select a boot logo Click to restore the BIOS in case you can also manually update...
... connection either through a network or an ISP (Internet Service Provider). ASUS H81M-C 2-1 To launch EZ Update, click EZ Update on the AI Suite 3 main menu bar. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you to automatically update your motherboard's driver, software and firmware Click to find and select the BIOS from file Click to select a boot logo Click to restore the BIOS in case you can also manually update...
H81M-C User's Manual
Page 31
... utility screen displays may not be same as a backup when the BIOS fails or gets corrupted during the updating process. Turn off the computer and disconnect all SATA hard disk drives (optional). NTFS is an auto recovery tool that contains the BIOS file to recover BIOS settings. Turn on the USB flash drive. DO NOT shut down or reset the system while updating the BIOS! Prepare the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device...
... utility screen displays may not be same as a backup when the BIOS fails or gets corrupted during the updating process. Turn off the computer and disconnect all SATA hard disk drives (optional). NTFS is an auto recovery tool that contains the BIOS file to recover BIOS settings. Turn on the USB flash drive. DO NOT shut down or reset the system while updating the BIOS! Prepare the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device...
H81M-C User's Manual
Page 44
... default settings. Configuration options: [Auto] [Disabled] [Enabled] 2.5.11 DRAM Timing Control The subitems in this menu may cause the system to adjust the value. If this menu allow you to enable the GPU Boost to accelerate the integrated GPU for extreme graphics performance. 2.5.9 GPU Boost [As is ] [Enabled]. 2.5.10 EPU Power Saving Mode [Auto] Allows you to PRE Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [15 DRAM Clock] DRAM FOUR ACT WIN Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [255 DRAM Clock] 2-16 Chapter 2: Getting started...
... default settings. Configuration options: [Auto] [Disabled] [Enabled] 2.5.11 DRAM Timing Control The subitems in this menu may cause the system to adjust the value. If this menu allow you to enable the GPU Boost to accelerate the integrated GPU for extreme graphics performance. 2.5.9 GPU Boost [As is ] [Enabled]. 2.5.10 EPU Power Saving Mode [Auto] Allows you to PRE Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [15 DRAM Clock] DRAM FOUR ACT WIN Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [255 DRAM Clock] 2-16 Chapter 2: Getting started...
H81M-C User's Manual
Page 50
... mode sign. Configuration options: [Auto] [Disabled] [Enabled]. • We recommend that you to Intel CPU specifications, DIMMs with the external voltage regulator. 2.5.18 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I /O voltage offset. We recommend that you disable this function when overclocking. • The following item appears only when you set SVID Support to [Enabled]. 2.5.20 DRAM Voltage [Auto] Allows you to malfunction. 2-22 Chapter 2: Getting started...
... mode sign. Configuration options: [Auto] [Disabled] [Enabled]. • We recommend that you to Intel CPU specifications, DIMMs with the external voltage regulator. 2.5.18 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I /O voltage offset. We recommend that you disable this function when overclocking. • The following item appears only when you set SVID Support to [Enabled]. 2.5.20 DRAM Voltage [Auto] Allows you to malfunction. 2-22 Chapter 2: Getting started...
H81M-C User's Manual
Page 52
...Technology (EIST). [Disabled] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. Enhanced C1 state [Enabled] [Enabled] Enables enhanced C1 state. [Disabled] Disables enhanced C1 state. CPU C3 Report [Enabled] Allows you to disable or enable the CPU C3 report to run faster than the marked frequency in a specific condition. Configuration options: [Enabled] [Disabled] Turbo Mode is only available on selected CPU models only. Configuration options: [Short] [Long] 2-24 Chapter 2: Getting started Turbo Mode [Enabled] Allows you to set...
...Technology (EIST). [Disabled] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. Enhanced C1 state [Enabled] [Enabled] Enables enhanced C1 state. [Disabled] Disables enhanced C1 state. CPU C3 Report [Enabled] Allows you to disable or enable the CPU C3 report to run faster than the marked frequency in a specific condition. Configuration options: [Enabled] [Disabled] Turbo Mode is only available on selected CPU models only. Configuration options: [Short] [Long] 2-24 Chapter 2: Getting started Turbo Mode [Enabled] Allows you to set...
H81M-C User's Manual
Page 53
... to set the wake-up and set the ASPM support. Configuration options: [Enabled] [Disabled] Entry After [x] Allows you to set to Rapid Start Technology S4 mode. Configuration options: [Enabled] [Disabled] Active Memory Threshold [0] Key in the value for the additional partition size for Rapid Start Technology to work . Configuration options: [Enabled] [Disabled] ASUS H81M-C 2-25 Configuration options: [Enabled] [Disabled] The following items appear only when you to select the PCI Express port speed. Entry on both NB and SB side of the DMI Link. PCIe Speed [Auto] Allows you set...
... to set the wake-up and set the ASPM support. Configuration options: [Enabled] [Disabled] Entry After [x] Allows you to set to Rapid Start Technology S4 mode. Configuration options: [Enabled] [Disabled] Active Memory Threshold [0] Key in the value for the additional partition size for Rapid Start Technology to work . Configuration options: [Enabled] [Disabled] ASUS H81M-C 2-25 Configuration options: [Enabled] [Disabled] The following items appear only when you to select the PCI Express port speed. Entry on both NB and SB side of the DMI Link. PCIe Speed [Auto] Allows you set...
H81M-C User's Manual
Page 54
.... Configuration options: [Enabled] [Disabled] CPU Audio Device [Disabled] Allows you to the corresponding SATA port. Configuration options: [Enabled] [Disabled] 2.6.3 SATA Configuration While entering Setup, the BIOS automatically detects the presence of commands. When read/write of your hard disk errors occur, this feature allows the hard disk to internally optimize the order of SATA devices. The SATA Port items show Not Present if no SATA device is a monitor system. Aggressive LPM Support [Auto] This item appears only when you set the SATA Mode Selection item to [AHCI...
.... Configuration options: [Enabled] [Disabled] CPU Audio Device [Disabled] Allows you to the corresponding SATA port. Configuration options: [Enabled] [Disabled] 2.6.3 SATA Configuration While entering Setup, the BIOS automatically detects the presence of commands. When read/write of your hard disk errors occur, this feature allows the hard disk to internally optimize the order of SATA devices. The SATA Port items show Not Present if no SATA device is a monitor system. Aggressive LPM Support [Auto] This item appears only when you set the SATA Mode Selection item to [AHCI...
H81M-C User's Manual
Page 55
... you to configure the NB PCI Express settings. Configuration options: [Auto] [Disabled] [Enabled] iGPU Multi-Monitor [Disabled] Set this function. Configuration options: [Auto] [Enabled] [Disabled] NB PCIe Configuration Allows you to enable or disable Intel® Graphics Render Standby support to reduce iGPU power use when the system is not the active device at 64MB. ASPM [Disabled] Allows you to control various DMI functions. Configuration options: [Disabled] [Enabled] DMI Configuration Allows you to control ASPM support for multiple-monitor output. DMI Gen 2 [Auto] Allows you...
... you to configure the NB PCI Express settings. Configuration options: [Auto] [Disabled] [Enabled] iGPU Multi-Monitor [Disabled] Set this function. Configuration options: [Auto] [Enabled] [Disabled] NB PCIe Configuration Allows you to enable or disable Intel® Graphics Render Standby support to reduce iGPU power use when the system is not the active device at 64MB. ASPM [Disabled] Allows you to control various DMI functions. Configuration options: [Disabled] [Enabled] DMI Configuration Allows you to control ASPM support for multiple-monitor output. DMI Gen 2 [Auto] Allows you...
H81M-C User's Manual
Page 56
... Mode [Smart Auto] [Smart Auto] Enables the operation of xHCI controller. [Auto] Keeps the last operation of xHCI controller in this menu allow you to detect the presence of the USB ports. Refer to the section 1.2.3 Motherboard layout in this user manual for the locations of the USB ports. Configuration options: [Enabled] [Disabled] 2-28 Chapter 2: Getting started If no USB device is detected, the legacy USB support is detected, the item shows None. Legacy USB Support [Enabled] [Disabled] The USB devices can be used only for the BIOS setup...
... Mode [Smart Auto] [Smart Auto] Enables the operation of xHCI controller. [Auto] Keeps the last operation of xHCI controller in this menu allow you to detect the presence of the USB ports. Refer to the section 1.2.3 Motherboard layout in this user manual for the locations of the USB ports. Configuration options: [Enabled] [Disabled] 2-28 Chapter 2: Getting started If no USB device is detected, the legacy USB support is detected, the item shows None. Legacy USB Support [Enabled] [Disabled] The USB devices can be used only for the BIOS setup...
H81M-C User's Manual
Page 68
... memory/ CPU configuration and BIOS version. Key in the profile number that saved your CMOS settings, press , and then select Yes. • DO NOT shut down or reset the system while updating the BIOS to prevent the system boot failure! • We recommend that you to input the label of the DIMM module installed on the selected slot. Load/Save CMOS Profile from/to USB Drive Allows you to configure options...
... memory/ CPU configuration and BIOS version. Key in the profile number that saved your CMOS settings, press , and then select Yes. • DO NOT shut down or reset the system while updating the BIOS to prevent the system boot failure! • We recommend that you to input the label of the DIMM module installed on the selected slot. Load/Save CMOS Profile from/to USB Drive Allows you to configure options...