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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

Communications
Modem:
Type	v.92 56K MDC
Controller	softmodem
Interface	Intel High-Definition Audio
Network adapter	10/100/1000 Ethernet LAN on system board
Wireless	internal PCI-e Mini-Card WLAN support; Bluetooth® wireless technology support; WWAN support via Mini-Card

Video
Video type	Intel Integrated UMA Graphics
Data bus	PCI Express
Controller/Memory	224 MB of shared memory (with 512 MB or more of system memory)
LCD interface	LVDS
TV support	NTSC or PAL in S-video and composite modes (through Dell D/Port advanced port replicator only)

Audio
Audio type	High Definition Audio (HDA)
Audio controller	SigmaTel STAC9200
Stereo conversion	24-bit (stereo digital-to-analog), 24-bit (stereo analog-to-digital)
Interfaces:
Internal	Azalia
External	microphone mini-connector, stereo headphones/speakers mini-connector
Speaker	one 8-ohm speaker
Internal speaker amplifier	1-W channel into 8 ohms

Display
Type (WXGA)	12.1-inch WXGA
Dimensions (12.1-inch display):
Height	163.2 mm (6.43 inches)
Width	261.12 mm (10.3 inches)
Diagonal	307.34 mm (12.1 inches)
Operating angle	0° (closed) to 180°
Viewing angles:
WXGA+ horizontal	+/– 40/40°
WXGA+ vertical	+/– 10/30°
Pixel pitch:
WXGA	0.204 mm
Power consumption (panel with backlight) (typical):
WXGA	6.2 W (max.)
Controls	brightness can be controlled through keyboard shortcuts

Keyboard
Number of keys	87 (U.S. and Canada); 87 (China); 89 (Brazil); 88 (Europe); 91 (Japan)
Key travel	2.5 mm ± 0.3 mm (0.11 inch ± 0.016 inch)
Key spacing	18.5 mm ± 0.3 mm (0.73 inch ± 0.012 inch)
Layout	QWERTY/AZERTY/Kanji

Fingerprint Reader (optional)
Type	UPEK TCS3 TouchStrip™ strip sensor with CMOS active capacitive pixel-sensing technology
Power Supply	2.7 V to approx. 3.6 V
Connector	48-ball BGA
Array Size	248 x 2 pixels
Type	UPEK TCS3 TouchStrip™ strip sensor with CMOS active capacitive pixel-sensing technology
Touch Pad
X/Y position resolution (graphics table mode)	240 cpi
Size:
Width	64.88 mm (2.55-inch) sensor-active area
Height	48.88-mm (1.92-inch) rectangle

Battery
Type	9-cell hybrid lithium ion (68 WHr) 6-cell "smart" lithium ion (42 WHr) 4-cell "smart" lithium ion (28 WHr) (optional)
Dimensions:
Depth	77.5 mm (3.05 inches)
Height	19.5 mm (0.76 inch)
Width	123.4 mm (4.86 inches)
Weight	0.32 kg (0.70 lb) (6 cell) 0.23 kg (0.52 lb) (4 cell)
Voltage	14.8 VDC (4 cell) 11.1 VDC (6 cell) 11.1 VDC (9 cell)
Charge time (approximate):
Computer off	approximately 1 hour for 80 percent charge for 4 and 6 cell.
Operating time	varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions. See Battery Performance for more information.
Life span (approximate)	300 discharge/charge cycles
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 65°C (–65° to 149°F)

AC Adapter
Input voltage	100–240 VAC
Input current (maximum)	1.5 A
Input frequency	50–60 Hz
Output current	3.34 A (65-W AC adapter) 4.62 A (90-W AC adapter)
Output power	65 W 90 W
Rated output voltage	19.5 VDC
Dimensions and weight (65-W AC adapter):
Height	28.3 mm (1.11 inches)
Width	57.8 mm (2.28 inches)
Depth	137.2 mm (5.40 inches)
Weight (with cables)	0.36 kg (0.79 lb)
Dimensions and weight (90-W AC adapter):
Height	34.2 mm (1.35 inches)
Width	60.9 mm (2.39 inches)
Depth	153.42 mm (6.04 inches)
Weight (with cables)	0.46 kg (1.01 lb)
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 60°C (–40° to 140°F)

Physical
Height	2.5 cm (1.0 inches)
Width	29.5 cm (11.6 inches)
Depth	20.98 cm (8.26 inches)
Weight	approximately 1.36 kg (3.0 lb), with a 12.1-inch WXGA display and 4-cell battery; weight varies, depending on configuration and manufacturing variability

Environmental
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	-40° to 65°C (-40° to 149°F)
Relative humidity (maximum):
Operating	10% to 90% (noncondensing)
Storage	5% to 95% (noncondensing)
Maximum vibration (using a random-vibration spectrum that simulates user environment):
Operating	0.66 GRMS
Storage	1.30 GRMS
Maximum shock (measured with hard drive in operating status and a 2-ms half-sine pulse for operating; also measured with hard drive in head-parked position and a 2-ms half-sine pulse for storage):
Altitude (maximum):
Operating	15.2 to 3048 m (50 to 10,000 ft)
Storage	15.2 to 10,668 m (50 to 35,000 ft)

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