Dell Dimension L Series, Reference And Troubleshooting Manual

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support.dell.com Introduction 1-1
Dell™ Dimension™ L Series computer systems are high-speed personal computers high-speed personal computers
that include an Intel
®
Pentium
®
III microprocessor or an Intel Celeron™ processor.
These systems incorporate a high-performance Peripheral Component Interconnect
(PCI) design, allowing a wide range of initial configurations and upgrade possibilities.
This chapter provides information about the following:
•
Major hardware and software features of your computer
•
Available upgrades for your computer
•
Preventive maintenance procedures to protect your investment and extend the
life of your computer
Hardware Features
Your Dell computer offers the following hardware features:
•
The Dell Dimension L xxx r includes an Intel Pentium III microprocessor that runs
at an external speed of 100 or 133 megahertz (MHz). 00 or 133 megahertz (MHz).
The Intel Pentium III processor includes Streaming Single Instruction,
Multiple Data (SIMD) Extensions. This technology improves the performance of
y improves the performance of
3D graphics, 3D audio, and other advanced application programs, such as speech
recognition software.
The Dell Dimension L xxx cx and L xxx cxe include an Intel Celeron processor with
MMX™ technology that runs at an external speed of 66 or 100 MHz. X™ technology that runs at an external speed of 66 or 100 MHz.
The Main screen of the system setup program lists the speed of your system’s
processor. For information on accessing this program, refer to Appendix B, “Sys- Appendix B, “Sys-
tem Setup Program.”
•
Cache memory that enhances the speed of many processor operations by stor-
ing the most-recently accessed contents of system memory.
•
Memory that can be increased up to 512 megabytes (MB) by installing 32-, 2 megabytes (MB) by installing 32-,
64-, 128- or 256-MB synchronous dynamic random-access memory (SDRAM DRAM)
dual in-line memory modules (DIMMs) in the two DIMM sockets on the system
board.