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User Guide - Page 6
... operating system.
We recommend a maximum of 3GB system memory if you install a total memory of the above items is subject to www.asus.com for the following items.
Motherboard
Cables Accessories Application DVD Documentation
ASUS H81M-V3 motherboard
2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide
If any of 4GB capacity or more, Windows® 32-bit operating...
User Guide - Page 9
... came with the component.
• Before you install motherboard components or change any motherboard settings.
• Unplug the power cord from the wall socket before touching any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply.
ASUS H81M-V3
1-1 Product introduction
1
1.1 Before you proceed
Take note...
User Guide - Page 11
... 1-16 1-16 1-22
ASUS H81M-V3
1-3 CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) 4. DDR3 DIMM slots 6. USB 2.0 connectors (10-1 pin USB56, USB910, USB1112) 11. ATX power connectors (24-pin ATXPWR, 4-pin ATX12V) 3. Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2) 7. System panel connector (10-1 pin F_PANEL) 9. 1.2.3
Motherboard layout
1
23
4
19...
User Guide - Page 15
DIMM_A1 DIMM_B1
H81M-V3
H81M-V3 240-pin DDR3 DIMM sockets
Channel Channel A Channel B
Sockets DIMM_A1 DIMM_B1
ASUS H81M-V3
1-7 DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. To uninstall the CPU heatsink and fan assembly
1
2 A
B B
A
1.4 System memory
1.4.1 Overview
This motherboard comes with less ...
User Guide - Page 19
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ASUS H81M-V3
1-11 shared -
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- IRQ assignments for this motherboard
PCIEx16 PCIEx1_1 Realtek 8111G controller PCI 1 PCI 2 USB2.0 controller 1 USB2.0 controller 2 HD audio SATA controller 1 SATA controller 2
A
B
C
D
E
F
G
H
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User Guide - Page 21
...ASUS H81M-V3
1-13 This 25-pin port connects a parallel printer, a scanner, or other devices. 3. These 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... only be used under a Windows® OS environment and after USB 3.0 driver installation.
• USB 3.0 devices can only be used for data storage. &#...
User Guide - Page 25
... SATA3G_2
H81M-V3 SATA 3.0Gb/s connectors
When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to Serial ATA 3.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s signal cables.
See section 2.6.3 SATA Configuration for details.
5. Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2) This connector connects to [AHCI]. ASUS H81M-V3...
User Guide - Page 27
... CTS
DCD TXD GND RTS
RI
7. COM2
PIN 1
H81M-V3
H81M-V3 Serial port (COM2) connector The COM module is for the chassis-mounted system warning speaker.
The speaker allows you hear system beeps and warnings. SPEAKER
H81M-V3
PIN 1
H81M-V3 Speaker Out connector
+5V GND GND Speaker Out
ASUS H81M-V3
1-19 Serial port connector (10-1 pin COM2) This...
User Guide - Page 31
...folder. Double-click the ASSETUP.EXE to your hardware.
• Motherboard settings and hardware options vary. ASUS H81M-V3
1-23
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). Visit the ASUS website at any time without notice.
Refer to run the...
User Guide - Page 33
...or an ISP (Internet Service Provider).
2.1.2 ASUS EZ Flash 2
The ASUS EZ Flash 2 feature allows you to automatically update your BIOS
2
Save a copy of the BIOS setup program. Insert the USB flash disk that contains the latest BIOS,
and then press . Enter the Advanced Mode of the original motherboard BIOS file to update the BIOS without using EZ Flash 2: 1. ASUS H81M-V3
2-1 To launch EZ...
User Guide - Page 35
...fails or gets corrupted during the updating process.
Download the latest BIOS file and BIOS Updater from the ASUS website at
http://support.asus.com and save the BIOS file and BIOS Updater to
your computer. Turn off the computer and disconnect all SATA hard disk drives (optional). Booting the system in DOS environment. ASUS H81M-V3
2-3 The succeeding utility screens are for reference...
User Guide - Page 37
... parameters. ASUS H81M-V3
2-5
If you
failed to enter BIOS Setup using the BIOS Setup program. Using the power button, reset button, or the ++ keys to force reset from the operating system. We recommend to always shut down the system properly from a running operating system can cause damage to your data or system. • For BIOS Updater version 1.30...
User Guide - Page 39
ASUS H81M-V3
2-7 Selects the display language of the BIOS setup program
Displays the CPU temperature, CPU voltage output, DRAM information and CPU/chassis fan speed
Exits the BIOS setup program without saving the changes, saves the changes and ... The boot device options vary depending on the devices you installed to the system.
• The Boot Menu(F8) button is available only when the boot device ...
User Guide - Page 41
Press on your keyboard or right-click on your favorite BIOS items.
Adding items to My Favorites To add frequently-used BIOS items to My Favorites: 1. When using a mouse, hover
the pointer to My
Favorites page. You cannot add the following items... items such as language and boot device order • Configuration items such as Memory SPD Information, system time and date
ASUS H81M-V3
2-9
User Guide - Page 43
... the motherboard. Scroll down to malfunction. 2.5 Ai Tweaker menu
The Ai Tweaker menu items allow you installed on the CPU and DIMM model 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 display the other items.
ASUS H81M-V3
2-11...
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