Dell Inspiron Cpi Service Guide

System Overview 1-5
‡The system supports two low-battery warning codes:
The first low-battery warning occurs when the main battery has 15 minutes 
or less of charge remaining. The amber battery indicator blinks once per 
second. 
The second low-battery warning occurs when the main battery has 5 min-
utes or less of charge remaining. The amber battery indicator lights up 
without blinking. If no user activity occurs within 15 seconds, the system 
automatically enters suspend (or standby mode for Windows...

1-6 Dell Latitude CP and CPi Service Manual 
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IRQ0 Generated by the system timer
IRQ1 Generated by the keyboard controller to signal that the keyboard 
output buffer is full
IRQ2 Generated internally by the interrupt controller to enable IRQ8 
through IRQ15
IRQ3 Available for use by a PC Card unless the built-in serial port or 
infrared port is configured for COM2 (the default) or COM4
IRQ4 Available for use by a PC Card unless...

System Overview 1-7
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Microprocessor:
Latitude CPi D300XT
Latitude CPi D266XT
Latitude CPi D233ST  . . . . . . . . Mobile Intel Pentium II microprocessor 
300, 266, or 233 MHz
Latitude CP M233XT
Latitude CP M233ST
Latitude CP M233SD
Latitude CP M166ST  . . . . . . . . Intel Pentium microprocessor with MMX 
technology 233 or 166 MHz
Bus architecture . . . . . . . . . . . . . . . PCI
Internal cache memory  . . . . . . . . .. 32 KB...

1-8 Dell Latitude CP and CPi Service Manual 
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PC Card controller . . . . . . . . . . . . . Texas Instruments PCI1131 CardBus 
controller
PC Card connectors . . . . . . . . . . . . two (supports type I and type II cards in 
any combination; supports type III cards 
only in the lower connector)
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Cards supported  . . . . . . . . . . . . . . 3.3-V and  5-V cards
PC Card connector size . . . . . . . . . 68 pins
Data width (maximum):
PCMCIA . . . . . . . . . . . . . . . . . . 16 bits
CardBus . . . . ....

System Overview 1-9
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Infrared  . . . . . . . . . . . . . . . . . . . . . one port compatible with IrDA 
Standards 1.1 (Fast IR) and 1.0 (Slow IR)
Audio . . . . . . . . . . . . . . . . . . . . . . . microphone-in;
line-in/audio-in;
headphones/speakers
Docking  . . . . . . . . . . . . . . . . . . . . . one 200-pin connector for Latitude C/Port 
APR or C/Dock Expansion Station
Universal Serial Bus . . . . . . . . . . . . one four-pin connector
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Audio controller . . . . . . . . . ....

1-10 Dell Latitude CP and CPi Service Manual 
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Type . . . . . . . . . . . . . . . . . . . . . . . . active-matrix color (TFT)
Dimensions (active area):
Height  . . . . . . . . . . . . . . . . . . . 184.5 mm (7.26 inches)
Width . . . . . . . . . . . . . . . . . . . . 246.0 mm (9.68 inches)
Diagonal . . . . . . . . . . . . . . . . . . 307.5 mm (12.10 inches)
Maximum resolution/colors . . . . . . 800 x 600 pixels; 262,144 colors
Response time...

System Overview 1-11
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Type . . . . . . . . . . . . . . . . . . . . . . .  HPHC dual-scan color (STN) 
Dimensions (active area):
Height  . . . . . . . . . . . . . . . . . . . 184.5 mm (7.26 inches)
Width . . . . . . . . . . . . . . . . . . . . 246.0 mm (9.68 inches)
Diagonal . . . . . . . . . . . . . . . . . . 307.5 mm (12.10 inches)
Maximum resolution/colors . . . . . . 800 x 600 pixels; 262,144 colors
Response time (typical) . . . . . . . . . 150 ms
Operating angle . . . ....

1-12 Dell Latitude CP and CPi Service Manual 
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Number of keys . . . . . . . . . . . . . . . 87 (U.S., Canada, Korea, Thailand, and 
locations that use traditional Chinese); 
88 (Europe); 
90 (Japan)
Key travel . . . . . . . . . . . . . . . . . . . . 3.0 mm + 0.5 mm/-0.2 mm 
(0.12 inch + 0.02 inch/-0.008 inch)
Key spacing . . . . . . . . . . . . . . . . . . 19.05 mm ± 0.3 mm 
(0.75 inch ± 0.012 inch)
Layout  . . . . . . . . . . . . . . . . . . . . . . QWERTY, AZERTY, Kanji
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Type   . . . . ....

System Overview 1-13
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Input voltage  . . . . . . . . . . . . . . . . . 90 to 135 VAC and 164 to 264 VAC
Input current (maximum) . . . . . . . . 3.5 A
Input frequency . . . . . . . . . . . . . . . 47 to 63 Hz
Output current . . . . . . . . . . . . . . . . 4.5 A (maximum at 4-sec pulse); 3.51 A 
(continuous)
Rated output voltage . . . . . . . . . . . 20.0 VDC
Height  . . . . . . . . . . . . . . . . . . . . . . 27.9 mm (1.09 inches)
Width . . . . . . . . . . . . . . . . . . . . . . . 58.4 mm (2.29...

1-14 Dell Latitude CP and CPi Service Manual 
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 Height . . . . . . . . . . . . . . . . . . . . . . 38.6 mm (1.52 inches)
 Width  . . . . . . . . . . . . . . . . . . . . . . 306.0 mm (12.05 inches)
 Depth  . . . . . . . . . . . . . . . . . . . . . . 241.0 mm (9.49 inches)
 Weight
6. . . . . . . . . . . . . . . . . . . . .2.6 kg (5.8 lb)
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Temperature:
Operating . . . . . . . . . . . . . . . . . 0° to 40°C (32° to 104°F)
Storage  . . . . . . . . . . . . . . . . ....