Table of Contents


Box Contents			6
Optional Items			6
GA-EP45-UD3P Motherboard Layout			7
Block Diagram			8
Chapter 1 Hardware Installation			9
1-1	Installation Precautions		9
1-2	Product Specifications		10
1-3	Installing the CPU and CPU Cooler		13
1-3-1		Installing the CPU	13
1-3-2 Installing the CPU Cooler			15
1-4	Installing the Memory		16
1-4-1 Dual Channel Memory Configuration			16
1-4-2		Installing a Memory	17
1-5	Installing an Expansion Card		18
1-6	Installing the SATA Bracket		19
1-7	Back Panel Connectors		20
1-8	Internal Connectors		22
Chapter 2 BIOS Setup			35
2-1	Startup Screen		36
2-2	The Main Menu		37
2-3	MB Intelligent Tweaker(M.I.T.)		39
2-4	Standard CMOS Features		47
2-5	Advanced BIOS Features		49
2-6	Integrated Peripherals		52
2-7	Power Management Setup		56
2-8	PnP/PCI Configurations		58
2-9	PC Health Status		59
2-10	Load Fail-Safe Defaults		61
2-11	Load Optimized Defaults		61
2-12	Set Supervisor/User Password		62
2-13	Save & Exit Setup		63
2-14	Exit Without Saving		63
2-15	Security Chip Configuration (Note)		64

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GA-EP45-UD3P specifications

The Gigabyte GA-EP45-UD3P is a motherboard that gained popularity for its superb balance of performance, features, and price, particularly catering to enthusiasts, gamers, and mainstream PC users. Launched in the late 2000s, it is built on the Intel P45 chipset, making it compatible with Intel's Core 2 Duo, Core 2 Quad, Pentium, and Celeron processors, providing a versatile foundation for various computing needs.

One of the standout features of the GA-EP45-UD3P is its excellent support for overclocking. The motherboard comes equipped with robust voltage regulation, providing stability when pushing CPUs beyond their standard clock speeds. Additionally, its user-friendly BIOS includes extensive options for adjusting CPU and memory settings, making it an appealing choice for those looking to maximize performance.

The GA-EP45-UD3P supports DDR2 memory up to 1200 MHz, and it features four DIMM slots for dual-channel memory configuration, facilitating high memory capacities and bandwidth. With a total of 16 USB 2.0 ports and a pair of IEEE 1394 FireWire ports, connectivity is abundant, ensuring that users can connect multiple peripherals without issue.

In terms of storage, the motherboard offers six SATA ports with RAID support, allowing for flexible configurations ranging from data redundancy to performance enhancements. Furthermore, it also includes one IDE connector, which provides compatibility with legacy devices.

Another key characteristic of the GA-EP45-UD3P is its durable construction, incorporating Gigabyte's Ultra Durable technology. This includes high-quality capacitors, solid capacitors, and a 4-layer PCB design that enhances thermal performance and reliability. The motherboard is also equipped with an advanced thermal management system that features enlarged heatsinks for effective cooling, ensuring that thermal throttling doesn't hinder performance.

For audio, the GA-EP45-UD3P features a Realtek ALC889a audio codec offering eight-channel sound output, delivering a rich audio experience for gaming and multimedia applications.

In summary, the Gigabyte GA-EP45-UD3P stands out with its robust overclocking capabilities, ample connectivity options, extensive storage support, and durable construction, making it a solid choice for those building a powerful and reliable system. Whether for intensive gaming, content creation, or general computing, this motherboard provides a well-rounded performance that still resonates with tech enthusiasts today.

Gigabyte GA-EP45-UD3P user manual Table of Contents

Models: GA-EP45-UD3P

GA-EP45-UD3P specifications