Page 1
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
Page 2
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
Page 3
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
Page 4
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
Page 5
Technical Specifications
CD-ROM Drive
(continued)
Data transfer rate (minimum):
4
Sustained. . . . . . . . . . . . . . 900 KB/sec (6X); 1500 KB/sec (10X)
Burst . . . . . . . . . . . . . . . . . 14.4 MB/sec (6X and 10X)
Physical (Computer)
Weight:
5
Latitude XPi CD
M166ST . . . . . . . . . . . . . . 3.4 kg (7.4 lb)
Latitude XPi CD
P150ST . . . . . . . . . . . . . . . 3.3 kg (7.3 lb)
Power (Advanced Port Replicator)
Voltage . . . . . . . . . . . . . . . . . . requires 18.5 VDC from AC adapter
Amperage . . . . . . . . . . . . . . . . 3.5 A
Physical (Advanced Port Replicator)
Height . . . . . . . . . . . . . . . . . . . 31.75 mm (1.25 inches)
Depth. . . . . . . . . . . . . . . . . . . . 76.20 mm (3.00 inches)
Width. . . . . . . . . . . . . . . . . . . . 266.7 mm (10.50 inches)
Weight. . . . . . . . . . . . . . . . . . . 0.6 kg (1.3 lb)
SCSI Controller (Advanced Port Replicator)
Chip set . . . . . . . . . . . . . . . . . . AIC 6360; SCSI-2 compliant
Data bus width . . . . . . . . . . . . 16-bit ISA host bus interface
Data transfer rate. . . . . . . . . . . 10.0 MB/sec
I/O address . . . . . . . . . . . . . . . 140h
IRQ . . . . . . . . . . . . . . . . . . . . . IRQ11
4
The data transfer rate of the CD-ROM drive in your system may be faster, depending on
when you purchased the computer.
5
With battery and hard-disk drive.
Dell Latitude XPi CD Service Manual Update 5
Page 6
Technical Specifications
Ethernet Network Controller (Advanced Port Replicator)
(continued)
Chip set. . . . . . . . . . . . . . . . . .
Data bus width . . . . . . . . . . . . 16-bit Plug and Play ISA host bus interface
I/O address . . . . . . . . . . . . . . . 300h (default)
IRQ. . . . . . . . . . . . . . . . . . . . . IRQ10
Token Ring Network Controller (Advanced Port Replicator)
Chip set. . . . . . . . . . . . . . . . . . IBM04H8297; 16/4 Mbps Token Ring (default
Data bus width . . . . . . . . . . . . 16-bit ISA host bus interface
I/O address . . . . . . . . . . . . . . . A20h (default)
IRQ. . . . . . . . . . . . . . . . . . . . . IRQ10
R
emoving and Replacing Parts Changes
The following information updates the removal and replacement procedures for
some parts and assemblies as described in Chapter 4, “Removing and Replacing
Parts,” of the Service Manual and in the Parts Removal and Replacement Guide
(which is the same as Chapter 4 of the Service Manual). However, some of the
parts and assemblies used are different.
3Com® 3C913B; 10Base-T Ethernet
ring speed is 16 Mbps)
Palmrest Assembly
Revise the Palmrest Assembly removal procedure to include the following:
Use a scribe to pry out the three screw covers for the palmrest-retaining screws
A1, A2, and A3.
Disengage the palmrest assembly from the bottom case asse mbly by sli ding the
palmrest assembly about 1/8-inch toward the front of the computer. Then, gently lift the front of the palmrest assembly and pull it toward the front to release
the back hooks.
Display Assembly Latch and Latch Spring
Your computer may have a plastic clip or mylar pad attached to the latch
assembly.
LCD Panel
Your computer may have a metal spacer attached to the top of the LCD panel.
6 Dell Latitude XPi CD Service Manual Update
Page 7
LCD Inverter Board
The inverter board assembly with order name SVC,LCD/INVTR,IBM,LXPiCD
(see the “Factory Repair Parts and Assemblies” table found later in this
document) is different from the inverter board assembly with order name
SVC,LCD/INVTR,SMSNG,LXPiCDX.
If the back light on the LCD panel is not working, replace both the inverter
board and the LCD panel.
Bottom Case Assembly Removal
The parts of your computer may be different from the parts shown in Figure 4-22, “Bottom Case Assembly Removal,” of the Service Manual (Figure 22
of the Parts Removal and Replacement Guide). The superpart docking EMI clip
and superpart serial EMI clip may be sma ller. The superpart assembly may also
look different. The upper I/O bracket clip has been renamed the deck buoy.
Diskette/CD-ROM Drive Assembly
There may be a bracket spacer on the diskette/CD-ROM assembly in your
computer.
Deck Buoy
The deck buoy in your computer may have an EMI clip attached to it.
System Board Assembly Removal
The parts of your computer may be different from the parts shown in Figure 4-27, “System Board Assembly Removal,” of the Service Manual (Figure 27
of the Parts Removal and Replacement Guide). The battery compartment may
have a plastic cover.
Advanced Port Replicator Connector Dust Cover
The callout in Figure 4-31 (Figure 31 of the Parts Removal and Replacement
Guide) refers to the Advanced Port Replicator connector dust cover.
Audio Board
The parts of your computer may be different from the parts shown in
Figure 4-32, “Audio Board Removal,” of the Service Manual (Figure 32 of the
Parts Removal and Replacement Guide). The hard-disk drive bracket and the
audio board may have a shield, a clip, an insulator, and standoffs added.
F
actory Repair Parts Changes
Removal and replacement procedures for all factory components and subassemblies are the same as those described in Appendix A, “Factory Repair Parts,” of
Dell Latitude XPi CD Service Manual Update 7
Page 8
the Service Manual. However, some of the components and subassemblies used
are different. The following information updates Table A-1, “Factory Repair
Parts and Assemblies,” in Appendix A.
Factory Repair Parts and Assemblies
Part or Assembly Name Order Name Figure
CD-ROM Drive Assembly
CD-ROM drive assembly
service kit
CD-ROM drive CD,650M,I,INT,10X,LXPiCD
Technical booklet,
service manual
update
Hard-Disk Drive Assemblies
Hard-disk drive assembly
service kit, 3-GB
Hard-disk drive, subassembly, 3-GB
Hard-disk drive HD,3.0GB,I,F2,17MM,IBM
LCD Assemblies
LCD inverter board service
kit
SVC,ASSY,CD,INT,I,10X,
4-23
LXPiCD
M166ST
TSH,SRV MNL UPD,LXPiCD
M166ST
CUS,HD,3.0G,17MM,IBM,NBK 4-6
SUBASSY,HD,3.0G,17MM,IBM,LXP
SVC,LCD/INVTR,SMSNG,
LXPiCDX
LCD panel LCD,TFT,SVGA,12.1”,CISPR
SMSNG
Cable/Bobbin
ASSY,CBL/BBN,TFT,LXPiCD 4-20
assembly
Technical booklet,
service manual
TSH,SRV MNL UPD,LXPiCD
M166ST
update
Cable/Bobbin service kit SVC,ASSY,CBL/BBN,SMSNG,
LXPiCD
Cable/Bobbin
assembly
Technical booklet,
service manual
ASSY,CBL/BBN,TFT,
LXPiCD
TSH,SRV MNL UPD,LXPiCD
M166ST
update
4-17
8 Dell Latitude XPi CD Service Manual Update
Page 9
Factory Repair Parts and Assemblies
Part or Assembly Name Order Name Figure
(continued)
LCD Assemblies
LCD inverter board service
kit
LCD panel LCD,TFT,SVGA,12.1”,IBM,
Cable/Bobbin
assembly
Spacer assembly,
LCD panel
Spacer SPCR,LCD,12.1”,LXPiCD,IBM
Tape TAPE,SPCR,LCD,12.1”,
Technical booklet,
service manual
update
(continued)
SVC,LCD/INVTR,IBM
LXPiCD
CISPR
ASSY,CBL/BBN,TFT,IBM,
LXPiCD
ASSY,LCD SPACER,IBM,
LXPiCD
LXPiCD,IBM
TSH,SRV MNL UPD,LXPiCD
M166ST
4-20
Cable/Bobbin service kit SVC,ASSY,CBL/BBN,IBM,
LXPiCD
Cable/Bobbin
assembly
Technical booklet,
service manual
ASSY,CBL/BBN,TFT,IBM
LXPiCD
TSH,SRV MNL UPD,LXPiCD
M166ST
update
Memory
Memory module, 32-MB,
CUS,MEM,32M,LXPiCD 4-8
customer kit
Memory module,
32-MB
DIMM,32MB,70NS,8X32,NBK,
G,72P
Dell Latitude XPi CD Service Manual Update 9
Page 10
Factory Repair Parts and Assemblies
Part or Assembly Name Order Name Figure
Miscellaneous Parts
(continued)
Left tilt-support foot service
kit
Right tilt-support foot
service kit
SVC,FOOT ,BACK,LF,
LXPiCD
SVC,FOOT,BACK,RT,
LXPiCD
Keel plate assembly ASSY,PLT,KEEL,CISPR,
LXPiCD
Keel plate PLT,KEEL,TIN PLATED,
LXPiCD
Clip, keel plate CLP, KEEL BUOY,CISPR,
LXPiCD
Foam, keel plate FOAM,BLCK,PORON,CNDCT
COAT
Thermal clamp assembly ASSY,CLMP,THRM,CISPR,
LXPiCD
Thermal clamp CLMP,THRM,TIN PLATED,
LXPiCD
Clip, thermal clamp CLP, GND,CPU,CISPR,
LXPiCD
4-5
4-5
A-12
Fan/Speaker service kit SVC,ASSY,PLN,FAN/SPKR
LXPiCD
Fan/Speaker board
assembly
ASSY,PWA,FAN/SPKR,CISPRII,
XPiCD
Fan/Speaker board PWA,FAN/SPKR,CISPRII,
LXPiCD,NBK
Technical booklet,
service manual update
TSH,SRV MNL UPD,LXPiCD
M166ST
10 Dell Latitude XPi CD Service Manual Update
Page 11
Factory Repair Parts and Assemblies
Part or Assembly Name Order Name Figure
System Board Assemblies
(continued)
System board assembly,
LXPi CD, 166-MHz,
service kit
System board subassembly with BIOS,
LXPi CD, 166-MHz
Audio board
assembly,
MMX
Audio board PWA,AUD,LXPiCD
Clip, audio CLP,AUDIO,HDD,CISPR,
Shield, audio SHLD,AUDIO,HDD,CISPR,
Insulator,
audio
SVC,PLN,LXPiCD
M166ST,WB,0M
SUBASSY,PLN,LXPiCD-166ST,
WB,0M
ASSY,PWA,AUD,LXPiCD
M166ST,NBK
M166ST,NBK
LXPiCD
LXPiCD
INSUL,AUDIO,HDD,CISPR,
LXPiCD
4-27
4-32
Speaker,
audio jack
SPCR,AUDIO JACK,CISPR,
LXPiCD
Screw SCR,M2X14MM,PHH,MS,ZPS,
W/WSHR
Screw SCR,M2X3MM,PHH,MS,BLO,
W/WSHR
Standoff STDF,M2X5MM,FEM/FEM,
NBK
Cover, mylar CVR,MYLAR,PCMCIA,
CISPRII,XPiCD
Power supply
board
System
board,
CRD,PWR SPLY,LXPiCD,
2.5V
PWA,PLN,LXPiCD 166ST,
CISPRII
166-MHz
4-29
Dell Latitude XPi CD Service Manual Update 11
Page 12
Factory Repair Parts and Assemblies
Part or Assembly Name Order Name Figure
(continued)
System Board Assemblies
BIOS chip IC,PROG,FLASH,28FO20,PRG
Spreader
assembly
Clip,
spreader
Insulator,
spreader
Ground
assembly
Clip, CPU CLP,CPU,BTM,CISPR,LXPiCD
Technical booklet,
service manual
update
(continued)
84719
ASSY,PAN SPRDR,CISPR,
LXPiCD
CLP,EMI,PAN SPRDR,CISPR,
LXPiCD
INSUL,PAN SPRDR,CISPR,
LXPiCD
ASSY,LD GRD,CISPR,LXPiCD
TSH,SRV MNL UPD,LXPiCD
M166ST
Exploded Views of Components and Assemblies
The parts of your computer may be different from the parts shown in
Figure A-3, “Exploded View—Bottom Case Assembly.” The superpart docking
EMI clip and superpart serial EMI clip may be sma ller. The superpart assembly
may look different. The upper I/O bracket clip has been renamed the deck buoy.
Bottom-Case Assembly Components
The spreader plate in your computer may be different from that shown in
Figure A-10, “Bottom-Case Assembly Components.”
Spreader and Keel Plates
The spreader plate in your computer may be different from that shown in
Figure A-12, “Spreader and Keel Plate Removal.”
12 Dell Latitude XPi CD Service Manual Update
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