Disables this function. (Default) Uses Profile 1 settings.
Uses Profile 2 settings.

CPU Clock Drive

Allows you to adjust the amplitude of the CPU and North Bridge clock.

Options are: 700mV, 800mV (default), 900mV, 1000mV.

PCI Express Clock Drive

Allows you to adjust the amplitude of the PCI Express and North Bridge clock. Options are: 700mV, 800mV, 900mV (default), 1000mV.

CPU Clock Skew

Allows you to set the CPU clock prior to the North Bridge clock.

Options are: 0ps~750ps. (Default: 0ps)

MCH Clock Skew

Allows you to set the North Bridge clock prior to the CPU clock.

Options are: 0ps~750ps. (Default: 0ps)

******** DRAM Performance Control ********

Performance Enhance

Allows the system to operate at three different performance levels.

Standard

Lets the system operate at its basic performance level.

Turbo

Lets the system operate at its good performance level. (Default)

Extreme

Lets the system operate at its best performance level.

Extreme Memory Profile (X.M.P.) (Note)

Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance when enabled.

Disabled

Profile1 Profile2

(G)MCH Frequency Latch

Allows you to fix the chipset frequency at system bootup. Options for adjusting memory multiplier below may differ according to the fixed frequency. Options are: Auto (default), 200MHz, 266MHz, 333MHz, 400MHz.

System Memory Multiplier (SPD)

Allows you to set the system memory multiplier. Options are dependent on CPU FSB and the (G)MCH Frequency Latch settings. Auto sets memory multiplier according to memory SPD data. (Default: Auto)

Memory Frequency (Mhz)

The first memory frequency value is the normal operating frequency of the memory being used; the second is the memory frequency that is automatically adjusted according to the CPU Host Frequency (Mhz) and System Memory Multiplier settings.

DRAM Timing Selectable (SPD)

Manual allows all DRAM timing control items below to be configurable.

Options are: Auto (default), Manual.

(Note) This item appears only if you install a memory module that supports this feature.

GA-EP45-UD3P Motherboard

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Gigabyte GA-EP45-UD3P CPU Clock Drive, PCI Express Clock Drive, CPU Clock Skew, MCH Clock Skew, Performance Enhance
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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.
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