Lenovo 4221, 4220 Product overview, Features, System information, Microprocessor, Memory, Drives

Chapter 1. Product overview

This chapter provides information about the computer features, specifications, preinstalled software programs, part and connector locations, and internal drives.

Features

This section provides information about the computer features.

System information

The following information covers a variety of models. For information about your specific model, use the Setup Utility program. See Chapter 4, “Using the Setup Utility program,” on page 53.

Microprocessor

vIntel® Core™ i3 microprocessor

vIntel Core i5 microprocessor

vIntel Pentium® microprocessor

vIntel Xeon® microprocessor

vInternal cache (size varies by model type)

Memory

vSupports up to four DDR3 ECC UDIMMs (double data rate 3 error correction code unbuffered dual inline memory modules) or DDR3 Non-ECC UDIMMs

Drives

vCard reader (installed in some models)

vOptical drive

vSerial Advanced Technology Attachment (SATA) internal hard disk drive

Video subsystem

vIntegrated graphics card for a VGA (Video Graphics Array) connector and a DisplayPort connector (not applicable on some models)

vPCI (Peripheral Component Interconnect) Express x16 graphics card slot on the system board for a discrete graphics card

Audio subsystem

vIntegrated high-definition (HD) audio

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

vMicrophone connector and headphone connector on the front panel

vInternal speaker (installed in some models)

Connectivity

v100/1000 Mbps integrated Ethernet controller

vPCI Fax modem (some models)

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