H71M-DG3 - Motherboard ASROCK - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | ASRock |
| Model | H71M-DG3 |
| Form Factor | Micro ATX |
| CPU Socket | LGA 1155 |
| Compatible Processors | Intel Core i7 / i5 / i3 / Pentium / Celeron (2nd and 3rd Generation) |
| Chipset | Intel H71 |
| Memory Type / Slots | Dual-channel DDR3, 2 x 240-pin DIMM |
| Maximum Memory | 16 GB |
| Memory Speed Support | DDR3 1600 / 1333 / 1066 (non-ECC, un-buffered) |
| Expansion Slots | 1 x PCI Express 3.0 x16, 1 x PCI Express 2.0 x1, 1 x PCI |
| Storage Interfaces | 4 x SATA 3 Gb/s (SATA2) ports |
| USB Ports | 4 x USB 2.0 on rear panel, 6 x USB 2.0 via internal headers (total 10) |
| Audio | Realtek ALC662 5.1 Channel HD Audio |
| LAN | Realtek RTL8111E Gigabit LAN |
| Video Outputs | VGA and DVI-D (onboard graphics) |
| Dimensions | 24.4 x 19.3 cm (9.6 x 7.6 in) |
| Weight | Approximately 0.8 kg (with accessories) |
| Power Connectors | 24-pin ATX power, 4-pin CPU power |
| Operating Temperature | 0°C to 60°C |
| Key Features | Support for Intel Turbo Boost 2.0, ASRock A-Tuning Software, UEFI BIOS |
| Maintenance and Cleaning | Use compressed air to remove dust from heatsinks and connectors; avoid liquid cleaners. |
| Safety Cautions | Disconnect power before handling; wear anti-static wrist strap; avoid touching circuits. |
| Spare Parts and Repairability | Replaceable CMOS battery (CR2032), detachable I/O shield, standard mounting screws. |
| General Information | Manual downloadable in PDF from ASRock support website; model number H71M-DG3. |
Frequently Asked Questions - H71M-DG3 ASROCK
What type of RAM does the ASRock H71M-DG3 support?
It supports dual-channel DDR3 memory with speeds up to 1600 MHz. The board has 2 x 240-pin DIMM slots and supports a maximum capacity of 16 GB when running non-ECC, un-buffered modules.
How do I update the BIOS?
Visit the ASRock support website, download the latest BIOS file for the H71M-DG3, and follow the instructions in the user manual. You can use the built-in Instant Flash utility in the BIOS setup to update without entering an OS.
Can I use an M.2 SSD on this motherboard?
No, the H71M-DG3 does not have an M.2 slot. It only uses SATA 3 Gb/s ports for storage. Consider using a 2.5-inch SSD with a SATA interface.
What is the maximum CPU wattage supported?
The board is designed to handle processors with a TDP up to 95W. It supports Intel Core i7/i5/i3, Pentium, and Celeron chips for the LGA 1155 socket, including Ivy Bridge and Sandy Bridge models.
Does it support dual graphics cards?
The board has only one PCI Express 3.0 x16 slot, so it does not support AMD CrossFireX or NVIDIA SLI. You can add a single discrete GPU.
How many USB ports does the motherboard have?
It provides a total of 10 USB 2.0 ports. Four are located on the rear I/O panel and six are available through internal USB 2.0 headers for front-panel or bracket connections.
What are the onboard video outputs?
Using the integrated graphics of Ivy Bridge/Sandy Bridge processors, the board offers VGA and DVI-D outputs. DVI-D supports digital displays with adapters for HDMI if needed.
How do I clear the CMOS?
Turn off the PC, unplug the power cord, and remove the CR2032 battery for about 30 seconds, or use the CLR_CMOS jumper on the board. Replace the battery and restart; BIOS settings will be reset to defaults.
Is this motherboard compatible with Windows 10?
ASRock provides Windows 10 drivers for the H71M-DG3, including chipset, LAN, and audio drivers. The board uses UEFI BIOS and is compatible with Windows 10 64-bit.
What should I do if there is no display output?
Check the CPU power connector (4-pin) and the 24-pin ATX connector are properly seated. Verify the monitor is connected to the motherboard video port if using integrated graphics. Also confirm the CPU and RAM are correctly installed and the BIOS is updated.
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USER MANUAL H71M-DG3 ASROCK
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Product information
Brand : ASROCK
Model : H71M-DG3
Category : Motherboard