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Specifications

Dell™ Latitude™ D820  User's Guide

Processor
Processor type	Intel® Core™ Duo processor
L1 cache	64 KB (internal)
L2 cache	2 MB (on die)
External bus frequency	533 or 667 MHz

System Information
System chipset	Intel 945GM and 945PM
Data bus width	64 bits
DRAM bus width	64 bits
Processor address bus width	36 bits

PC Card
CardBus controller	O2Micro Oz601 CardBus controller
PC Card connector	one (supports one Type I or Type II card)
Cards supported	3.3 V and 5 V
PC Card connector size	80 pins
Data width (maximum)	PCMCIA 16 bits CardBus 32 bits

Smart Card
Read/write capabilities	reads and writes to all ISO 7816 1/2/3/4 microprocessor cards (T=0, T=1)
Cards supported	3 V and 5 V
Program technology supported	Java cards
Interface speed	9600–115,200 BPS
EMV level	level 1 certified
WHQL certification	PC/SC
Compatibility	compatible within a PKI environment
Insert/eject cycles	certified for up to 100,000 cycles

Memory
Memory module connector	two user-accessible SODIMM sockets
Memory module capacities	256 MB, 512 MB, 1 GB, and 2 GB
Memory type	533/667 DDRII SDRAM
Minimum memory	256 MB
Maximum memory	4 GB

Ports and Connectors
Serial	9-pin connector; 16550C-compatible, 16-byte buffer connector
Video	15-hole connector
Audio	microphone miniconnector, stereo headphones/speakers miniconnector
USB	four 4-pin USB 2.0-compliant connectors
Infrared sensor	sensor compatible with IrDA Standard 1.1 (Fast IR) and IrDA Standard 1.0 (Slow IR)
Modem	RJ-11 support
Network adapter	RJ-45 port
D-Dock	Standard D-dock connector for devices such as D-Docks advanced port replicators and expansion stations.

Communications
Modem:
Type	v.92 56K MDC
Controller	softmodem
Interface	Intel HDA bus
Network adapter	1 Gb Ethernet LAN on system board
Wireless	internal WLAN, WWAN, and Bluetooth® wireless support (if optional cards are purchased)

Graphics
Graphics type	Pixel Shader 3.0
Data bus	PCI Express
Controller/ Memory	NVidia G72MV on 128-MB video memory NVidia G72M on 256-MB video memory
LCD interface	LVDS
TV support	NTSC or PAL in S-video and composite modes (through dock only)

Audio
Audio type	High Definition Audio (Soft Audio)
Audio controller	SigmaTel STAC9200
Stereo conversion	24-bit (stereo digital-to-analog), 24-bit (stereo analog-to-digital)
Interfaces:
Internal	PCI bus/HDA
External	microphone miniconnector, stereo headphones/speakers miniconnector
Speaker	two 4-ohm speakers
Internal speaker amplifier	2-W channel into 4ohms
Volume controls	keyboard shortcuts or program menus

Display
Type (active-matrix TFT)	WXGA, WSXGA+, or WUXGA
Dimensions:
Height	222.5 mm max (8.7 inches)
Width	344.5 mm (13.56 inches)
Diagonal	391.16 mm (15.4 inches)
Operating angle	0° (closed) to 180°
Viewing angles:
WXGA horizontal	40/40°
WXGA vertical	10/30°
WSXGA+ horizontal	65/65°
WSXGA+ vertical	50/50°
WUXGA horizontal	65/65°
WUXGA vertical	50/50°
Pixel pitch:
WXGA	0.2588 (15.4-inch)
WSXGA+	0.1971 (15.4-inch)
WUXGA	0.1725 (15.4-inch)
Power consumption (panel with backlight) (typical):
WXGA	5.0 W (max.)
WSXGA+	5.5 W (max.)
WUXGA	6.0 W (max.)
Controls	brightness can be controlled through keyboard shortcuts

Keyboard
Number of keys	87 (U.S. and Canada); 88 (Europe); 91 (Japan)
Key travel	2.7 mm ± 0.3 mm (0.11 inch ± 0.016 inch)
Key spacing	19.05 mm ± 0.3 mm (0.75 inch ± 0.012 inch)
Layout	QWERTY/AZERTY/Kanji

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

Track Stick
X/Y position resolution (graphics table mode)	250 count/sec @ 100 gf
Size	protrudes 0.5 mm higher than surrounding keycaps

Battery
Type:
9-cell lithium-ion battery	85 WHr
6-cell lithium-ion battery	53 WHr
Dimensions:
Depth	77.2 mm (3.08 inches)
Height	20.0 mm (0.80 inch)
Width	187.03 mm (7.48 inches)
Weight:
9-cell lithium-ion battery	0.485 kg (1.07 lb) typical
6-cell lithium-ion battery	0.355 kg (0.783 lb) typical
Voltage	14.8 VDC
Charge time (approximate):
Computer on	2.5 hours
Computer off	1 hour
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)	500 discharge/charge cycles
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 65°C (–40° to 149°F)

AC Adapter
Input voltage	100–240 VAC
Input current (maximum)	1.5 A
Input frequency	50–60 Hz
Output current	4.62 A
Output power	90 W
Rated output voltage	19.5 VDC
Dimensions:
Height	27.94 mm (1.1 inches)
Width	58.42 mm (2.3 inches)
Depth	133.85 mm (5.25 inches)
Weight (with cables)	0.4 kg (0.9 lb)
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 65°C (–40° to 149°F)

Physical
Height	35.3 mm (1.4 inches)
Width	361 mm (14.2 inches)
Depth	262.6 mm (10.3 inches)
Weight	approximately 6.1 lb, depending on configuration

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 head-parked position and a 2-ms half-sine pulse):
Operating	122 G
Storage	163 G
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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