24-pin ATX Power (PW1)

PW1 is the main power supply connector located along the edge of the board next to the DIMM slots. Make sure that the power supply cable and pins are properly aligned with the connector on the motherboard. Firmly plug the power supply cable into the connector and make sure it is secure.

PW1 connector

Plug power cable from system power supply to PW1

Figure 1. PW1 Motherboard Connector

Table 1. PW1 Pin Assignments

Connector

 

Pin

Signal

Pin

Signal

 

 

1

+3.3V

13

+3.3V

1

12

2

+3.3V

14

-12V

 

 

3

GND

15

GND

 

 

4

+5V

16

PS_ON

 

 

5

GND

17

GND

13

24

6

+5V

18

GND

7

GND

19

GND

 

 

 

 

8

PWROK

20

RSVD

 

 

9

+5V_AUX

21

+5V

 

 

10

+12V

22

+5V

 

 

11

+12V

23

+5V

 

 

12

+3.3V

24

GND

8-pin ATX 12V Power (PW12)

PW12, the 8-pin ATX 12V power connection, is used to provide power to the CPU. Align the pins to the connector and press firmly until seated.

Connecting Serial ATA Cables

The Serial ATA II connector is used to connect the Serial ATA II device to the motherboard. These connectors support the thin Serial ATA II cables for

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EVGA P55 LE manual Connecting Serial ATA Cables, Pin ATX Power PW1, Pin ATX 12V Power PW12

P55 LE specifications

The EVGA P55 LE motherboard is a well-regarded product designed for Intel's LGA 1156 processor lineup, catering specifically to enthusiasts and gamers seeking a balance of performance, features, and affordability. At the heart of the P55 LE is the Intel P55 chipset, which brings with it a robust foundation to support Intel’s Core i7, i5, and i3 processors, allowing users to experience the benefits of Intel’s latest technologies.

One of the main features of the EVGA P55 LE is its support for dual-channel DDR3 memory, accommodating speeds up to 2200 MHz and providing users with the ability to take full advantage of high-performance RAM. The motherboard supports up to 16 GB of memory in four DIMM slots, ensuring ample capacity for multitasking and memory-intensive applications.

The P55 LE is designed with gamers in mind, evident in its support for NVIDIA SLI and AMD CrossFire technologies. With its compatibility with multiple graphics cards, users can achieve enhanced graphical performance, making it an ideal choice for those looking to push the boundaries of gaming visuals. The inclusion of one PCIe x16 slot and three PCIe x1 slots ensures ample expansion options for various add-in cards.

Another significant characteristic of the EVGA P55 LE is its comprehensive connectivity options. The motherboard includes six SATA II ports, which facilitate a range of storage configurations, including RAID setups. In addition, the board features several USB 2.0 and USB 3.0 ports, ensuring high-speed data transfer and peripheral connectivity.

The P55 LE is built with EVGA's commitment to quality and reliability, featuring a solid capacitor design and an efficient power delivery system to ensure stable performance under load. The motherboard is also equipped with an intuitive BIOS interface, allowing users to easily tweak settings and optimize system performance.

Overall, the EVGA P55 LE motherboard presents an attractive choice for budget-conscious users looking to build a powerful and efficient Intel-based system. With its strong feature set, robust performance capabilities, and enthusiast-friendly design, it delivers a compelling option for gamers and productivity users alike. Whether you’re an aspiring PC builder or a seasoned enthusiast, the EVGA P55 LE offers the versatility and performance needed to tackle a variety of computing challenges.