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Technical Specifications: Dell™ Latitude™ LS Portable Computers User's Guide

bullet.gif (1107 bytes) Chip Set and Bus bullet.gif (1107 bytes) Integrated Modem
bullet.gif (1107 bytes) PC Cards bullet.gif (1107 bytes) Keyboard
bullet.gif (1107 bytes) Memory bullet.gif (1107 bytes) Battery
bullet.gif (1107 bytes) Connectors bullet.gif (1107 bytes) AC Adapter
bullet.gif (1107 bytes) Audio bullet.gif (1107 bytes) Physical
bullet.gif (1107 bytes) Video bullet.gif (1107 bytes) Environmental (Computer)
bullet.gif (1107 bytes) Display bullet.gif (1107 bytes) Touch Pad
bullet.gif (1107 bytes) Network Interface Controller

Chip Set and Bus
System chip set Intel® Mobile Pentium® III with 443BX/PIIX4m
Microprocessor data bus width 64 bits
DRAM bus width 64 bits
Address bus width 32 bits
Flash EPROM 4 megabits (Mb)
AGP bus 66 MHz
PCI bus 33 MHz

PC Cards
CardBus controller Texas Instruments PCI 1211 CardBus controller
PC Card slots one (supports type I and type II cards, including ZV cards on computers running the Microsoft® Windows® 95 or Windows 98 operating system)
Cards supported 3.3-V and 5-V
PC Card connector size 68 pins
Data width (maximum):

PCMCIA

 16 bits

CardBus

 32 bits

Memory
Architecture SDRAM
Memory module socket 144-pin industrial standard SODIMM socket
Memory module capacities and type 64, 128, or 256 MB of 3.3-V SDRAM
Standard RAM 64-MB memory module
Maximum RAM 256 MB
Memory clock speed 100 MHz

Connectors
Parallel unidirectional, bidirectional, or ECP connector
IDE IDE connector for external media bay
Video SVGA connector
PS/2 mini-DIN connector
Audio microphone-in jack;
headphones/speakers jack
USB USB-compliant connector
Docking connector for the Dell Latitude LS Advanced Port Replicator (APR)
Modem RJ-11 connector
NIC RJ-45 connector

Audio
Audio type Sound Blaster (software emulation-capable)
Audio controller NeoMagic NMG5 + AC97 CODEC
Stereo conversion 16 bit (analog-to-digital and digital-to-analog)
Interfaces:

Internal

 PCI bus/AC97

External

 microphone-in minijack;
headphones/speakers-out minijack
Speaker 2.5-ohm speaker
Internal speaker amplifier 500 mW
Controls volume can be controlled through key combinations, application program menus, or the Speaker window in the Dell Control Center (Windows 95 only)

Video
Video type 256-bit hardware-accelerated
Data bus AGP
Video controller NeoMagicNM2200
Video memory 2.5 MB

Display
Type SVGA TFT
Dimensions (active area):

Height

 184.5 mm (7.26 inches)

Width

 246 mm (9.68 inches)

Diagonal

 307.3 mm (12.1 inches)
Maximum resolution/colors 800 x 600; 262,144 colors
Response time (typical) 50 ms
Viewing angles:

Horizontal
± 45°

Vertical
+10°/–30°
Dot pitch 0.30 mm
Power consumption:

Panel (typical)

 825 mW

Backlight

 2.9 W
Controls brightness can be controlled through a key combination

Network Interface Controller
Integrated network interface chip 3Com® 3C920 10/100-BASETX PCI bus master Ethernet

Integrated Modem
DataFax Modem Worldwide 56-Kbps v.90 Lucent 1646 controllerless Data Access Arrangement (DAA) modem. For more information, see the online documentation for the modem.

Keyboard
Number of keys 84, 85, and 87 keys for US, Europe, and Japan, respectively
Key travel 2.5 mm (.098 inch) ± .2mm (.008 inches)
Key spacing 18 mm (.70 inch)

Battery
Type lithium ion
Dimensions:

Height

 12.7 mm (0.5 inch)

Depth

 57.25 mm (2.25 inches)

Width

 262.49 mm (10.33 inches)

Weight

 214 g (.47 lb) for 4-cell version; 288 g (0.63 lb) for 6-cell version
Voltage 14.8 for 4-cell version;11.10 VDC for 6-cell version
Capacity 23 WH for 4-cell version; 34 WH for 6-cell version
Charge time (approximate):2

Computer on

 About 1.5 hours

Computer off

 About 1.5 hours
Life span (approximate)2 350 discharge/charge cycles
Temperature range:

Charge

 0° to 40°C (32° to 104°F)

Storage

 –20° to 50°C (–4° to 122°F)

AC Adapter
Input voltage 100 to 240 VAC
Input current (maximum) 1.5 A
Input frequency 50 to 60 Hz
Output current 2.64 A (maximum)
Rated output voltage 19.0 VDC
Height 29 mm (1.14 inches)
Width 46.3 mm (1.82 inches)
Depth 108 mm (4.25 inches)
Weight (with cables) 355 g (0.78 lb)
Temperature range:

Operating

 0° to 40°C (32° to 104°F)

Storage

 –20° to 60°C (–4° to 140°F)

Physical
Height 25.7 mm (1.01 inches)
Width 272 mm (10.7 inches)
Depth 220.0 mm (8.66 inches)
Weight 1.665 kg (3.67 lb) with 6-cell battery
1.618 kg (3.57 lb) with 4-cell battery

Environmental (Computer)
Temperature:

Operating

 5° to 35°C (41° to 95°F)

Storage

 –20° to 60°C (–4° to 140°F)
Relative humidity (maximum):

Operating

 20 % to 80% (noncondensing)

Storage

 8% to 90% (noncondensing)
Maximum vibration:

Operating

 0.9 GRMS using a random-vibration spectrum that simulates user environment

Storage

 1.3 GRMS using a random-vibration spectrum that simulates air/truck shipment
Maximum shock:3

Operating

 152.4 cm/sec (60.0 inches/sec)
(equal to a half-sine pulse 2 ms in width)

Storage

 203.2 cm/sec (80 inches/sec)
(equal to a half-sine pulse 2 ms in width)
Altitude (maximum):

Operating

 –18 to 3048 m (–59 to 10,000 ft)

Storage

 –18 to 10,600 m (–59 to 35,000 ft)

Touch Pad
Interface PS/2 (compatible with Microsoft mouse driver)
X/Y position resolution Minimum 20 points/mm (500 points/inch) (graphics tablet mode)
Size:

Thickness

 0.69 ± 0.15-mm (0.027 ± 0.006-inch) printed-circuit board (PCB) thickness (including mylar cover)

Width

 64.88 mm (2.55-inch)

Height

 48.88 mm (1.92 inches)

Weight

 6.0 ± 0.5g (0.21 oz)
Power:

Supply voltage

 5 V ± 10%

Supply current

 4.0 mA (nominal operating)
ESD 15 kV applied to front surface (when properly mounted)
NOTES:
1 The Dell Latitude LS portable computer supports only 100-ns SDRAM SODIMMs. It does not support EDO memory modules.
2 Battery performance features such as charge time and life span can vary according to the conditions under which the computer and battery are used.
3 Measured with the hard-disk drive in head-parked position.

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