Lenovo 4223 Personal Computer User Manual


 
Chapter 1. Product overview
This chapter provides information about the computer features, specications, 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 specic 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-denition (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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