Asus H81M-C driver and firmware
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H81M-C User's Manual - Page 2
.... Copies of these licenses are included in this product. Where the applicable license entitles you to the source code of such software and/or other additional data, you may obtain it for a period of three years after our last shipment of the product, either (1) for free by downloading it from http://support.asus.com/download or...
H81M-C User's Manual - Page 3
... 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 updating your BIOS 2-1 2.2 BIOS setup...
H81M-C User's Manual - Page 5
... 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.
Conventions used in this guide
To ensure...
H81M-C User's Manual - Page 8
...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, WfM2.0, SM BIOS v2.7, ACPI v2.0a,
SLP3.0, EUP-ready WOL, PXE, PME Wake up Drivers ASUS utilities EZ Update Anti-virus software (OEM version)
Windows® 8 / Windows®...
H81M-C User's Manual - Page 15
... use of memory, we recommend that you do any of the following: - Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you want to install 4GB or more on the motherboard.
• This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less.
ASUS H81M-C
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H81M-C User's Manual - Page 17
...settings, if any. See Chapter 2 for information on BIOS setup.
2. Assign an IRQ to the card.
3. Install the software drivers for the expansion card.
When using PCI cards on shared slots, ensure that the drivers support "Share IRQ" or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable.
ASUS H81M...
H81M-C User's Manual - Page 21
... output:
Use a chassis with HD audio module in the front panel to support an 7.1-channel audio output.
7. USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports are for USB 3.0 devices.
• DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows® operating system.
• Due to USB 3.0 controller limitations, USB 3.0 devices can only be used under...
H81M-C User's Manual - Page 23
... Serial ATA 6.0 Gb/s signal cables.
H81M-C
SATA6G_1 SATA6G_2
GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND
H81M-C SATA 6.0Gb/s connectors
• You must install Windows. XP Service Pack 3 or later version before using Serial ATA hard disk drives.
• When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS...
H81M-C User's Manual - Page 24
... RSATA_TXN2
GND RSATA_RXN2 RSATA_RXP2
GND
H81M-C SATA 3.0Gb/s connectors
• You must install Windows. XP Service Pack 3 or later version before using Serial ATA hard disk drives.
• When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI].
6. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on...
H81M-C User's Manual - Page 28
... without notice. Visit the ASUS website at www.asus.com for updates.
To run the Support DVD Place the Support DVD into the optical drive. If Autorun is enabled in your computer, the DVD automatically displays the Specials screen which lists the unique features of your ASUS motherboard. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to display their respective menus.
The...
H81M-C User's Manual - Page 29
... 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...
H81M-C User's Manual - Page 30
... utility, download the latest BIOS file from the ASUS website at www.asus.com.
To update the BIOS using EZ Flash 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. Press to switch to the Drive field...
H81M-C User's Manual - Page 31
... 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 H81MC.CAP.
• The BIOS file in the support DVD may not be the latest version. Download the latest BIOS file from the ASUS website at www.asus.com.
Recovering the BIOS To recover the BIOS: 1. Turn...
H81M-C User's Manual - Page 34
... your screen.
• Visit the ASUS website at www.asus.com to download the latest BIOS file for this motherboard.
• Ensure that a USB mouse is connected to your motherboard if you want to use the mouse to control the BIOS setup program.
• If the system becomes unstable after changing any BIOS setting, load the default settings to ensure system compatibility and stability...
H81M-C User's Manual - Page 54
... Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show Not Present if no SATA device is installed to the corresponding SATA port.
SATA Mode Selection [AHCI]
Allows you to set the SATA configuration.
[Disabled]
Disables the SATA function.
[IDE]
Set to [IDE] when you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices...
H81M-C User's Manual - Page 63
... be available and BIOS setup program will not be accessible via PS/2 devices.
[Full Initialization] For full system control, PS/2 devices will be available during POST at any circumstances. This process will extend POST time.
[Disabled]
For the fastest POST time, all PS/2 devices will not be available until your computer enters the operating system.
Network Stack Driver Support [Disabled...
H81M-C User's Manual - Page 64
... to fully support the Windows® Security Update and Security Boot.
The following four items appear when you set Launch CSM to [Enabled].
Boot Device Control [UEFI and L...] Allows you to select the type of devices that you want to boot up. Configuration options: [UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only]
Boot from Network Devices [Legacy OPR...
H81M-C User's Manual - Page 65
... of PCIe/PCI expansion devices that you want to launch. Configuration options: [Legacy OPROM first] [UEFI driver first]
2.8.9 Secure Boot
Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST.
OS Type [Windows UE...] Allows you to select your installed operating system. [Windows UEFI...
H81M-C User's Manual - Page 66
... loaders, and UEFI drivers that you can load on the single computer.
Delete the db Allows you to delete the db file from your system. Configuration options: [Yes] [No] Load db from File Allows you to load the downloaded db from a USB storage device. Append db from file Allows you to load the additional db from a storage device so that more images...
H81M-C User's Manual - Page 67
... Safe Mode, do any of the following: • Press when ASUS Logo appears. • Press after POST.
2.8.11 Boot Override
These items displays the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device.
ASUS H81M-C
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