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Specifications

Dell Precision™ M90 User's Guide

NOTE: Your computer comes in different configurations. To determine the configuration of your computer, see Determining Your Computer's Configuration.

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

System Information
System chip set	Mobile Intel 945PM Express
Data bus width	64 bits
DRAM bus width	dual channel bus
Processor address bus width	32 bits
Flash EPROM	1 MB
PCI bus (PCI-Express used for video controllers)	32 bits x16

ExpressCard
NOTE: The ExpressCard slot is designed only for ExpressCards. It does NOT support PC Cards (PCMCIA cards).
ExpressCard connector	one ExpressCard slot (54 mm) 1.5 V and 3.3 V
Cards supported	ExpressCard/34 (34 mm) and ExpressCard/54 (54 mm)
ExpressCard connector size	26 pins

Memory
Memory module connector	two user-accessible SODIMM connectors
Memory module capacities	256 MB, 512 MB, 1 GB, and 2 GB
Memory type	1.8 V SODIMM DDR-II supports DDR-II up to 667 MHz
Minimum memory	512 MB (via 2 x 256 MB SoDimms)
Maximum memory	4 GB (via 2 x 2 GB SoDimms)
	NOTE: In order to obtain dual-channel bandwidth capability, both memory slots must be populated with the same size memory modules.

5-in-1 media memory 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 CD Type I/II & IBM Microdrive through ExpressCard adapter

Ports and Connectors
Audio	microphone-in connector, stereo headphones/speakers connector
IEEE 1394a	4-pin mini, nonpowered connector
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; optional S-video to component video adapter cable)
USB	six 4-pin USB 2.0-compliant connectors
Video	15-pin connector
DVI-D (Digital Video Interface)	24-pin connector

Communications
Modem:
Type	V.92 56K MDC
Controller	softmodem
Interface	internal HDA (High Definition Audio) bus
Network adapter	10/100/1000 Ethernet LAN on system board
Wireless	internal PCI-e Mini-Card WLAN support; internal card with Bluetooth® wireless technology

Video
NOTE: Your computer comes in different configurations with different video controller cards. To determine the configuration of your computer, see Determining Your Computer's Configuration.
video type	256-bit memory interface
data bus	PCI Express
video controller	NVIDIA Quadro FX 1500M 256MB NVIDIA Quadro FX 2500M 512MB
video memory	256 MB or 512 MB
LCD interface	LVDS
TV support	NTSC or PAL in S-video and composite modes

Audio
Audio type	High Definition Audio (HDA) codec
Stereo conversion	24-bit (analog-to-digital and digital-to-analog)
Interfaces:
Internal	HDA bus
External	microphone-in connector, stereo headphones/speakers connector
Speaker	stereo 2-W main speakers and 5-W subwoofer with bass reflex port
Internal speaker amplifier	2 W per channel main amplifier and 5-W Class D subwoofer amplifier
Volume controls	keyboard shortcuts, program menus, media control buttons
Audio controller	Sigmatel STAC92XX codec

Display
Type (active-matrix TFT)	WXGA+; WUXGA
Dimensions:
Height	245.0 mm (9.64 inches)
Width	383.0 mm (15 inches)
Diagonal	431.8 mm (17 inches)
Maximum resolutions:
WXGA+	1440 x 900 at 16.7 million colors
WUXGA	1920 x 1200 at 16.7 million colors
Refresh rate	60 Hz
Operating angle	0º (closed) to 180°
Viewing angle (typical):
Horizontal	±40° (WXGA)
	±60° (WUXGA)
Vertical	+15°/–30° (WXGA)
	±45° (WUXGA)
Pixel pitch:
WXGA+	0.255 mm (17-inch display)
WUXGA	0.191 mm (17-inch display)
Power consumption (panel with backlight) (typical):	7.54 W
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 (2.88-inch) sensor-active area
Height	42.9-mm (1.69-inch) rectangle

Battery
Type	9-cell "smart" lithium ion
Dimensions:
Depth	88.5 mm (3.48 inches)
Height	21.5 mm (0.83 inch)
Width	139.0 mm (5.47 inches)
Weight	0.40 kg (0.88 lb) (9 cell)
Voltage	10.8 VDC
Charge time (approximate):
Computer off	2 hours (at 100% in 2 hours) 1 hour (at 80% in 1 hour)
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)	300 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
NOTE: For optimum system performance, always use a 130-W adapter. Using less powerful AC adapters may cause you to receive a Warning message and may also cause your computer to experience a degradation in performance.
Input voltage	90–264 VAC
Input current (maximum)	2.5 A
Input frequency	47–63 Hz
Output current	7.7 A (maximum at 4-second pulse); 6.67 A (continuous)
Output power	130 W
Rated output voltage	19.5 VDC
Dimensions:
Height	36 mm (1.35 inches)
Width	65 mm (2.39 inches)
Depth	169.5 mm (6.04 inches)
Weight (with cables)	0.76 kg (1.68 lb)
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 65°C (–40° to 149°F)

Physical
Height	41.5 mm (1.6 inches)
Width	394 mm (15.5 inches)
Depth	288 mm (11.3 inches)
Weight (with 9-cell battery):
With optical drive	3.96 kg (8.7 lb)

Environmental
Temperature range:
Operating	0° to 35°C (32° to 95°F)
Storage	–40° to 65°C (–40° to 149°F)
Relative humidity:
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 a 2-ms half-sine pulse):
Operating	143 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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