Locating parts on the system board

Figure 52 “System board parts locations” on page 119 shows the locations of the parts on the system board.

Figure 52. System board parts locations

14-pin power connector

2Microprocessor

3Microprocessor fan connector

4Memory slot 1 (DIMM1)

5Memory slot 2 (DIMM2)

6Memory slot 3 (DIMM3)

7Memory slot 4 (DIMM4)

8Thermal sensor connector

924-pin power connector

10Battery

11Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper

12Parallel connector

13SATA connectors 1 and 2 (SATA 3.0 connectors)

14SATA connector 3 (SATA 2.0 connector)

15eSATA connector

16Power fan connector

17Front panel connector (for connecting power switch and LED indicators)

18Front USB connector 1 (for connecting USB port 1and 2 on the front bezel)

19Front USB connector 2 (for connecting additional USB devices)

20Serial (COM2) connector

21Internal speaker connector

22Front audio connector

23PCI card slots (2)

24PCI Express x1 card slot

25PCI Express x16 graphics card slot

26System fan connector

27Cover presence switch connector (Intrusion switch connector)

28PS/2 keyboard and mouse connector

Chapter 9. Replacing FRUs (Machine Types: 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177.) 119

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Lenovo 4477, 4471, 4466, 4498, 4480, 4485, 4474, 4496, 4497, 4476, 4495, 4499, 4473, 4468, 4479 manual Locating parts on the system board

4476, 4499, 4485, 4497, 4480 specifications

Lenovo's ThinkPad series has long been synonymous with durability, performance, and enterprise-grade features, and the models 4474, 4473, 4477, 4468, and 4466 are no exception. Each of these models brings distinct characteristics and technologies tailored to meet the diverse needs of users ranging from casual consumers to business professionals.

The Lenovo 4474 model excels in portability and performance. Featuring a lightweight chassis, it is designed to be carried easily for on-the-go professionals. It is equipped with Intel’s latest processors, ensuring quick response times and efficient multitasking capabilities. The display, often a Full HD resolution, enhances the multimedia experience, making it suitable for presentations and video playback.

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The 4477 model is recognized for its exceptional battery life. With energy-efficient components and optimized power management technologies, users can expect extended productivity without the need for frequent charging. This model is perfect for users who need to work remotely or in environments where power sources are not readily available.

For those seeking a balance between versatility and performance, the Lenovo 4468 model is an appealing choice. This model supports a wide range of connectivity options, including USB-C, HDMI, and Ethernet ports, catering to various peripheral needs. Additionally, it typically features an ergonomic keyboard and a responsive touchpad, enhancing the user experience for long typing sessions.

Lastly, the Lenovo 4466 brings innovation in terms of display technology. With options for touchscreens and high-resolution displays, this model caters to creative professionals who require precise color accuracy and vivid graphics. It offers a solid performance for design tasks, video editing, and even gaming, making it a versatile option for different scenarios.

In summary, Lenovo’s models 4474, 4473, 4477, 4468, and 4466 are tailored to address specific user needs, whether it be portability, security, battery life, connectivity, or display technology. These ThinkPad series laptops continue to exemplify Lenovo's commitment to quality and innovation in the computing space.