GA-EP45-UD3R - Motherboard GIGABYTE - Free user manual and instructions
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| Product Type | Desktop Motherboard |
| Brand | GIGABYTE |
| Model | GA-EP45-UD3R |
| CPU Socket | LGA775 |
| Chipset | Intel P45 + ICH10R |
| Form Factor | ATX (30.5 cm x 24.4 cm) |
| Weight | Approx. 1.2 kg (2.65 lbs) |
| Memory Support | DDR2 1066/800/667, up to 16 GB (4 x DIMM) |
| Expansion Slots | 1 x PCIe x16, 1 x PCIe x4, 2 x PCIe x1, 3 x PCI |
| Storage Interfaces | 6 x SATA 3Gb/s, 1 x IDE ATA-100, 1 x FDD |
| Audio | Realtek ALC889A, 8-channel HD Audio |
| LAN | Realtek 8111C Gigabit Ethernet |
| USB Ports | 8 x USB 2.0 (rear), 4 x USB 2.0 (via headers) |
| Power Connectors | 24-pin ATX, 8-pin EPS12V |
| BIOS Features | DualBIOS, AWARD BIOS, PnP, DMI 2.0, WfM 2.0 |
| Special Features | Ultra Durable 2, Dynamic Energy Saver Advanced |
| Operating System Support | Windows XP, Vista, 7 (32/64-bit) |
| Power Supply Recommended | 500W or higher |
| Safety Precautions | Disconnect power before installation; handle with ESD wrist strap |
| Maintenance | Clean with soft dry cloth; avoid liquids |
| Spare Parts Availability | Spare parts available through GIGABYTE authorized service centers |
| Repairability | Limited to trained technicians; refer to manual |
| Certifications | CE, FCC, RoHS |
| Warranty | 3 years limited (varies by region) |
Frequently Asked Questions - GA-EP45-UD3R GIGABYTE
What memory type does the GA-EP45-UD3R support?
The motherboard supports DDR2 memory modules at speeds of 1066, 800, and 667 MHz, with a maximum capacity of 16 GB across four DIMM slots.
How do I update the BIOS on the GA-EP45-UD3R?
You can update the BIOS using GIGABYTE's @BIOS utility in Windows or by using the Q-Flash tool built into the BIOS setup. Always backup your current BIOS via DualBIOS feature.
What CPU socket does this motherboard use?
The GA-EP45-UD3R uses the LGA775 socket, compatible with Intel Core 2 Duo, Core 2 Quad, Pentium, and Celeron processors.
Can I overclock with this motherboard?
Yes, the GA-EP45-UD3R provides CPU and memory overclocking options via BIOS settings such as voltage adjustments, FSB frequency, and memory multipliers. Use adequate cooling.
How many SATA ports are available?
There are 6 SATA 3Gb/s ports provided by the ICH10R controller, supporting RAID 0, 1, 5, and 10 configurations.
What is DualBIOS and how does it work?
DualBIOS is a feature that includes two BIOS chips. If the main BIOS fails or is corrupted, the backup BIOS automatically restores it for uninterrupted operation.
Does the GA-EP45-UD3R support Windows 10?
Officially, it supports Windows XP, Vista, and 7. While it may work with Windows 10, drivers are limited. For best stability, stick to supported OS.
How do I connect the front panel audio?
Connect the front panel audio connector to the F_AUDIO header on the motherboard. Ensure AC'97 or HD Audio compatibility based on your case.
What power supply do I need?
A 500W or higher power supply is recommended, especially with a high-end CPU and graphics card. Use a unit with a 24-pin ATX and 8-pin EPS12V connector.
How do I clear the CMOS?
To clear CMOS, either use the CLR_CMOS jumper on the motherboard (short pins for a few seconds) or remove the battery for 10 minutes. Power off and unplug first.
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