
Dell®Latitude® XPi CD
Service Manual Update
his document updates information contained in the Dell Latitude XPi CD
T
Service Manual and in the Dell Latitude XPi CD Parts Removal and Replacement Guide.
N
ew System Features
Additional system features include:
Now available with a 166-MHz Intel® Pentium® microprocessor with
•
MMX™ technology in the Dell Latitude XPi CD M166ST, which otherwise
has the same features as other models of the computer.
Support for up to 80 MB of system memory on the Latitude XPi CD
•
M166ST, by installing a combination of 8-, 16-, and 32-MB memory modules in the two sockets on the system board. (The standard minimum
configuration is 16 MB of nonremovable EDO memory on the system
board.)
The Pentium microprocessor with MMX technology has twice the internal
•
cache memory (32 KB) as the standard Pentium microprocessor.
A Texas Instruments PCI 1131 CardBus controller.
•
A NeoMagic 2093 video controller for a video subsystem that includes
•
1.1 MB of video memory.
An ESS 1887 audio controller.
•
10X CD-ROM drive.
•
NOTE: Your computer may not appear exactly as shown in some of the figures
in the Service Manual. EMI shields may have been changed or added.
Dell Latitude XPi CD Service Manual Update 1

T
echnical Specifications
The following information updates Table 1-2, “Technical Specifications,” in
Chapter 1 of the Service Manual.
Technical Specifications
Microprocessor
Microprocessor:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . Intel Pentium microprocessor with
MMX technology running at 166 MHz
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . Intel Pentium microprocessor
running at 150 MHz
Internal cache:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 32 KB
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . 16 KB
External cache . . . . . . . . . . . . 256-KB pipelined burst SRAM
Math coprocessor . . . . . . . . . . internal to the microprocessor
Chip Set and Bus
Local bus:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 66 MHz
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . 60 MHz
PCI bus:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 33 MHz
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . 30 MHz
2 Dell Latitude XPi CD Service Manual Update

Technical Specifications
PC Card
(continued)
PC Card controller:
1
Latitude XPi CD
M166ST . . . . . . . . . . . . . . Texas Instruments PCI 1131 CardBus controller
Latitude XPi CD
P150ST . . . . . . . . . . . . . . . Texas Instruments PCI 1130 CardBus controller
Data width (maximum):
PCMCIA. . . . . . . . . . . . . . 16 bits
CardBus . . . . . . . . . . . . . . 32 bits
Memory
Memory module capacities:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 8-, 16-, and 32-MB fast-page mode
Latitude XPi CD
P150ST . . . . . . . . . . . . . . . 8- or 16-MB fast-page mode
Maximum RAM:
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 80 MB
Latitude XPi CD
P150ST . . . . . . . . . . . . . . . 48 MB
Connectors
IDE hard-disk drive . . . . . . . . one 40-pin connector
1
The device driver for the PCI 1131 CardBus controller is compatible with the PCI 1130
CardBus contro ller. However, the device driver for the PCI 1130 CardBus controller is not
compatible with the PCI 1131 CardBus controller.
Dell Latitude XPi CD Service Manual Update 3

Technical Specifications
Audio
(continued)
Audio controller:
2
Latitude XPi CD
M166ST . . . . . . . . . . . . . . ESS 1887;
ESS 690 wavetable music synthesizer;
ESS 938 3D audio spatializer (on systems using
Windows 95)
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . ESS 1888;
ESS 690 wavetable music synthesizer;
ESS 938 3D audio spatializer (on systems using
Windows 95)
Video
Video type. . . . . . . . . . . . . . . . 128-bit hardware accelerated
Data bus . . . . . . . . . . . . . . . . . PCI
Video controller:
3
Latitude XPi CD
M166ST . . . . . . . . . . . . . . NeoMagic 2093
Latitude XPi CD
P150ST. . . . . . . . . . . . . . . NeoMagic 2090
Video memory . . . . . . . . . . . . 1.1 MB (2.0-MB performance equivalent)
Display
Dimensions (active area):
Height. . . . . . . . . . . . . . . .
Width . . . . . . . . . . . . . . . .
Controls . . . . . . . . . . . . . . . . .
184.5 mm (7.26 inches)
246.0 mm (9.68 inches)
brightness can be controlled through a key
combination or the Display window in the Dell
Control Center
2
The device driver for ESS 1887 audio controller is compatible with the ESS 1888 audio
controller. However, the device driver for the ESS 1888 audio controller is not compatible
with the ESS 1887 audio cont roller.
3
The device driver for NeoMagic 2093 video controller is compatible with the NeoMagic
2090 video controller. However, the device driver for the NeoMagic 2090 video controller is
not compatible with the NeoMagic 2093 video controller.
4 Dell Latitude XPi CD Service Manual Update