Chapter 1. Product overview

This chapter provides information about the computer features, specifications, software programs provided by Lenovo, and locations of connectors, components, parts on the system board, and internal drives.

Features

This section introduces the computer features. The information covers a variety of models.

To view the information about your specific model, do one of the following:

Go into the Setup Utility program by following the instructions in Chapter 7 “Using the Setup Utility program” on page 67. Then, select Main System Summary to view the information.

In the Windows environment, click Start, right-click Computer, and select Properties to view the information.

Microprocessor

Your computer comes with one or two Intel® Xeon® microprocessors installed (depending on the model type). The processor speed, the number of the available processor cores, and the internal cache vary by machine type.

Memory

Your computer supports up to 16 DDR3 ECC UDIMMs (double data rate 3 error correction code unbuffered dual inline memory modules) or DDR3 ECC RDIMMs (double data rate 3 error correction code registered dual inline memory).

Each microprocessor supports up to eight memory modules.

Internal drives

Optical drive: DVD-ROM, DVD-R/W, or Blu-ray (optional)

Serial Attached SCSI (SAS) hard disk drive (supported with optional hard disk drive enablement module or raid on chip (ROC) card)

Serial Advanced Technology Attachment (SATA) hard disk drive

Solid state drive (SSD)

Video subsystem

Two Peripheral Component Interconnect (PCI) Express x16 graphics card slots on the system board for discrete graphics cards

Note: You can install additional video cards into the available PCI Express slots on the system board. For more information, see “Locating parts on the system board” on page 10.

Audio subsystem

Integrated high-definition (HD) audio

Audio line-in connector, audio line-out connector, and microphone connector on the rear panel

Microphone connector and headphone connector on the front panel

Internal speaker

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Lenovo 4228, 4223, 4229 manual Product overview, Features

4229, 4223, 4228 specifications

Lenovo has long been recognized for its commitment to producing high-quality computing solutions, and the ThinkPad line is no exception. Among its various models, the Lenovo ThinkPad series 4228, 4223, and 4229 stand out for their robust features and reliable performance, making them ideal choices for business and professional use.

The Lenovo ThinkPad 4228 series is engineered with a focus on durability and performance. One of its key features is the powerful Intel Core processor range, which ensures that users can manage demanding applications and multitask efficiently. Alongside this, the device typically comes equipped with ample RAM, providing speed and responsiveness that enhances productivity.

Moving to the ThinkPad 4223, it streamlines user experience with advanced connectivity options. The inclusion of multiple USB ports, HDMI, and Ethernet capabilities allows for seamless integration with various devices and networks. The 4223 model often houses a backlit keyboard, enabling users to work effortlessly in low-light environments. This model puts a strong emphasis on portability, making it a reliable companion for professionals on the move.

The ThinkPad 4229 takes connectivity a step further by offering options like Wi-Fi 6 and Bluetooth, ensuring fast and stable connections whether in the office or on the go. This model is often equipped with a higher resolution display, contributing to a better viewing experience for video conferencing and presentations. Its extended battery life is a notable feature, allowing users to remain productive without the constant need for recharging.

All three models in the 422x series boast Lenovo’s robust security features, including fingerprint readers and TPM (Trusted Platform Module), which safeguard sensitive data against unauthorized access. Furthermore, the reputation of Lenovo ThinkPads for their exceptional keyboard layout ensures that users can type comfortably over extended periods, reducing strain and increasing efficiency.

In summary, the Lenovo ThinkPad 4228, 4223, and 4229 models represent a blend of power, durability, and user-friendly design. With their focus on connectivity, performance, and security, these laptops cater perfectly to the needs of professionals and businesses, confirming Lenovo's status as a leading manufacturer in the world of computing technology. Whether you need a rugged workhorse for heavy tasks or a portable device for meetings, the ThinkPad series provides versatile solutions to meet any requirement.