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Specifications

Dell™ Inspiron™ 640M/ E1405 Owner's Manual

Processor
Processor type	Intel® Core™ Solo processor or Intel® Core™ Duo processor
L1 cache	32-KB x2 I-cache 32-KB x2 D-cache
L2 cache	2 MB
External bus frequency (front side bus)	533 MHz and 667MHz

System Information
System chip set	Mobile Intel 945GM Express
Data bus width	64 bits
DRAM bus width	dual-channel (2) 64-bit buses
Processor address bus width	32 bits
Flash EPROM	1 MB
Graphics bus	internal
PCI bus	32 bits

ExpressCard
NOTE: The ExpressCard slot is designed only for ExpressCards. It does NOT support PC cards.
ExpressCard controller	Intel ICH7M
ExpressCard connector	one ExpressCard slot (54 mm)
Cards supported	ExpressCard/34 (34 mm) and ExpressCard/54 (54 mm) 1.5 V and 3.3 V
ExpressCard connector size	28 pins

5-in-1 Media Card Reader
5-in-1 media memory card controller	Ricoh R5C832
5-in-1 media memory card connector	5-in-1 combo card connector
Cards supported	MS MS Pro SD/SDIO MMC xD CF Type I/II & IBM® Microdrive through ExpressCard adapter
5-in-1 media memory card connector size	36.8 x 29.3 x 4.75 mm

Memory
Memory module connector	two SODIMM connectors
Memory module capacities	256 MB, 512 MB, 1 GB, and 2GB
Memory type	1.8-V SODIMM DDR-2
Minimum memory	256 MB
Maximum memory	2 GB

Ports and Connectors
Audio	microphone connector, stereo headphone/speaker connector
IEEE 1394a	4-pin serial connector
Mini-Card	one Type IIIA Mini-Card slot
Modem	RJ-11 port
Network adapter	RJ-45 port
S-video TV-out	7-pin mini-DIN connector (optional S-video to composite video adapter cable)
USB	four 4-pin USB 2.0-compliant connectors
Video	15-hole connector

Communications
Modem:
Type	v.92 56K MDC
Controller	softmodem
Interface	internal HDA bus
Network adapter	10/100 Ethernet LAN on system board
Wireless	internal Mini-Card Wi-Fi and Bluetooth® wireless technology support

Video
Video type:	integrated on system board
Video controller	Intel® GMA950
Video memory	Up to 224 MB shared if total computer memory is 512 MB or greater; up to 128 MB shared if total computer memory is 256 MB
LCD interface	LVDS
TV support	NTSC/PAL

Audio
Audio type	High Definition Audio (HDA) bus
Audio controller	Sigmatel STAC9200
Stereo conversion	24-bit (analog-to-digital and digital-to-analog)
Interfaces:
Internal	HDA bus
External	microphone-in connector, stereo headphones/speakers connector
Speaker	two 4-ohm speakers
Internal speaker amplifier	1-W channel into 4 ohms
Volume controls	keyboard shortcuts, program menus, media control buttons

Display
Type (active-matrix TFT)	14.1-inch WXGA and 14.1-inch WXGA+
Dimensions:
Height	206 mm (8.11 inches)
Width	320 mm (12.59 inches)
Diagonal	357.74 mm (14.1 inches)
Maximum resolutions:
WXGA WXGA+	1280 x 800 at 262,144 colors 1440 x 900 at 262,144 colors
Refresh rate	60 Hz
Operating angle	0º (closed) to 180°
Viewing angles:
Horizontal	±40° (WXGA) typical
Vertical	+15°/–30° (WXGA)
Pixel pitch:
WXGA WXGA+	0.237 mm 0.211 mm
Controls	brightness can be controlled through keyboard shortcuts

Keyboard
Number of keys	87 (U.S. and Canada); 88 (Europe); 91 (Japan)
Layout	QWERTY/AZERTY/Kanji

Touch Pad
X/Y position resolution (graphics table mode)	240 cpi
Size:
Width	73.0-mm (2.9-inch) sensor-active area
Height	42.9-mm (1.7-inch) rectangle

Battery
Type	6-cell "smart" lithium ion 9-cell "smart" lithium ion
Dimensions:
Depth	49 mm (1.93 inches) (6 cell) 60.1 mm (2.37 inches) (9 cell)
Height	24 mm (0.94 inch)
Width	206.8 mm (8.14 inches)
Weight	0.32 kg (0.7 lb) (6 cell) 0.48 kg (1.06 lb) (9 cell)
Voltage	11.1 VDC
Charge time (approximate):
Computer off	2 hours (6-cell) 3 hours (9-cell)
Operating time	Battery operating time varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions. See Power Problems. See Using a Battery for more information on battery life.
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)
Coin-cell battery	CR-2032

AC Adapter
Input voltage	90–264 VAC
Input current (maximum)	1.5 A
Input frequency	47–63 Hz
Output current	4.34 A (maximum at 4-second pulse); 3.34 A (continuous)
Output power	65 W
Rated output voltage	19.5 +/–1.0 VDC
Dimensions:
Height	28.2 mm (1.11 inches)
Width	57.9 mm (2.28 inches)
Depth	137.2 mm (5.4 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	38.6 mm (1.52 inches)
Width	330 mm (12.99 inches)
Depth	243 mm (9.56 inches)
Weight (with 6-cell battery, CDRW/DVD combo, and 40G hard drive):
Configurable to less than	2.5 kg (5.5 lb)

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	1.3 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):
Operating	142 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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