Lenovo 4220 Laptop User Manual


 
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
v Intel
®
Core
i3 microprocessor
v Intel Core i5 microprocessor
v Intel Pentium
®
microprocessor
v Intel Xeon
®
microprocessor
v Internal cache (size varies by model type)
Memory
v Supports up to four DDR3 ECC UDIMMs (double data rate 3 error correction
code unbuffered dual inline memory modules) or DDR3 Non-ECC UDIMMs
Drives
v Card reader (installed in some models)
v Optical drive
v Serial Advanced Technology Attachment (SATA) internal hard disk drive
Video subsystem
v Integrated graphics card for a VGA (Video Graphics Array) connector and a
DisplayPort connector (not applicable on some models)
v PCI (Peripheral Component Interconnect) Express x16 graphics card slot on the
system board for a discrete graphics card
Audio subsystem
v Integrated high-definition (HD) audio
v Audio line-in connector, audio line-out connector, and microphone connector on
the rear panel
v Microphone connector and headphone connector on the front panel
v Internal speaker (installed in some models)
Connectivity
v 100/1000 Mbps integrated Ethernet controller
v PCI Fax modem (some models)
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