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Specifications

Dell™ Latitude™ D420 User's Guide

Processor

Processor type

Intel® Yonah

 

 

L1 cache

32 KB (internal)

 

 

L2 cache

2 MB

 

 

External bus frequency

533

 

 

 

 

System Information

 

System chipset

Intel 945GMS

 

 

Data bus width

64 bits

 

 

DRAM bus width

64 bits

 

 

Processor address bus width

32 bits

 

 

 

 

PC Card

 

CardBus controller

Ricoh R5C843

 

 

PC Card connector

80-pin

 

 

Cards supported

3.3 V and 5 V PC Cards

 

1.5 V ExpressCards (with adapter)

PC Card connector size

68 pins

 

 

Data width (maximum)

PCMCIA 16 bits

 

CardBus 32 bits

 

 

Memory

 

 

 

Memory module connector

one user-accessible DIMM socket

Memory module capacities

512 MB and 1 GB

 

 

Memory type

533 MHz DDRII SDRAM

 

 

Minimum memory

512 MB (onboard memory)

 

 

Maximum memory

up to 1.5 GB

 

 

 

 

Ports and Connectors

 

Video

15-hole connector

 

 

Audio

microphone miniconnector, stereo

 

headphones/speakers miniconnector

 

 

USB

2 4-pin USB 2.0-compliant connectors

 

 

Powered USB

one 9-pin USB 2.0-compliant powered

Infrared sensor

sensor compatible with IrDA Standard 1.1 (Fast IR)

 

and IrDA Standard 1.0 (Slow IR)

 

 

Modem

RJ-11 support

 

 

IEEE 1394a

4-pin serial connector

 

NOTE: The D420 has been optimally designed to be

 

used with the slim Media Base for docking. However,

 

it is compatible with the D-Family D/Port and D/Dock.

 

With the use of the D-Family D/Port and D/Dock, all

 

ports can be effectively utilized except for the 1394

 

port. If the use of this port is required, it is

 

recommended that you utilize the Media Base as your

 

primary docking device.

 

 

Mini-Card

two Type IIIA Mini-Card slot

Network adapter

RJ-45 port

 

 

D-Dock connector

standard docking connector for D/Dock, D/Port, or

 

D420 Media Base

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Dell D420 specifications Specifications