compaq 800 notebook series User Manual

Removal and Replacement Procedures
Maintenance and Service Guide5–33
2. Remove the tape 1 that secures the 1394 board cable to the 
base enclosure (Figure 5-26).
3. Disconnect the 1394 board cable from the system board 2.
4. Remove the PM2.5 × 4.0 screw 3 that secures the 1394 board 
to the base enclosure.
5. Remove the 1394 board 4.
Figure 5-26. Removing the 1394 Board
Reverse the preceding procedure to install the 1394 board.
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5–34Maintenance and Service Guide
Removal and Replacement Procedures
5.15 Modem Board
1. Prepare the notebook for disassembly (Section 5.3) and 
remove the following components:
❏Optical drive (Section 5.6)
❏LED switch cover (Section 5.7)
❏Keyboard (Section 5.8)
❏Display assembly (Section 5.12)
❏Top cover (Section 5.13)
Modem Board
Spare Part Number Information
Modem board 310653-001
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Removal and Replacement Procedures
Maintenance and Service Guide5–35
2. Remove the tape 1 that secures the modem board cable to the 
system board (Figure 5-27).
3. Disconnect the modem board cable from the system board 2.
4. Remove the two PM2.0 × 4.5 screws 3 that secure the 
modem board to the system board.
5. Remove the modem board 4 from the system board.
Figure 5-27. Removing the Modem Board
✎The modem cable is included in the Miscellaneous 
Plastics/Hardware Kit, spare part number 310359-001....

5–36Maintenance and Service Guide
Removal and Replacement Procedures
5.16 System Board
✎When replacing the system board, ensure that the following 
components are removed from the old system board and installed 
on the new system board:
■Memory expansion boards (Section 5.5)
■Processor (Section 5.11)
■Modem (Section 5.15)
■RTC battery (Section 5.17)
1. Prepare the notebook for disassembly (Section 5.3) and 
remove the following components:
❏Optical drive (Section 5.6)
❏LED switch cover (Section 5.7)...

Removal and Replacement Procedures
Maintenance and Service Guide5–37
3. Remove the four PM2.5 × 4.0 screws 1 that secure the 
system board to the base enclosure (Figure 5-28).
4. Remove the two PM2.0 × 13.0 screws 2 on each side of the 
PC Card assembly that secure the system board to the base 
enclosure.
5. Use the hard drive connector 3 to lift the left side of the 
system board until it rests at an angle.
6. Slide the system board to the left at an angle 4 and remove it 
from the base enclosure....

5–38Maintenance and Service Guide
Removal and Replacement Procedures
5.17 Real Time Clock (RTC) Battery
✎The RTC battery is included in the Miscellaneous 
Plastics/Hardware Kit, spare part number 310359-001.
1. Prepare the notebook for disassembly (Section 5.3) and 
remove the following components:
❏Optical drive (Section 5.6)
❏LED switch cover (Section 5.7)
❏Keyboard (Section 5.8)
❏Display assembly (Section 5.12)
❏Top cover (Section 5.13)
❏System board (Section 5.16)
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Removal and Replacement Procedures
Maintenance and Service Guide5–39
2. Remove the RTC battery from the socket on the system board 
(Figure 5-29).
✎The notebook uses a BR1225 disk cell battery. The RTC battery 
should be installed with the “+” facing up.
Figure 5-29. Removing the RTC Battery
Reverse the preceding procedure to install the RTC battery.
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Maintenance and Service Guide6–1
6
Specifications
This chapter provides physical and performance specifications.
Ta b l e  6 - 1
Notebook
Dimensions
Height
Width
Depth4.45 cm
35.05 cm
29.97 cm1.75 in
13.80 in
11.80 in
Weight (varies by configuration)
16.0-inch display, 
DVD-ROM device,
hard disk drive3.45 kg 7.6 lb
Stand-alone power requirements
Nominal operating 
voltage
Average operating 
power
Peak operating power
Power in Suspend 
mode
Power in Hibernation 
mode14.8 VDC
15.8 W
38 W
< 800 mW
< 100 mW...

6–2Maintenance and Service Guide
Specifications
✎Applicable product safety standards specify thermal limits for 
plastic surfaces. The notebook operates well within this range of 
temperatures.
Te m p e r a t u r e
Operating
Nonoperating10° to 35° C
–10° to 60° C50° to 95° F
14° to 140° F
Relative humidity (noncondensing)
Operating
Nonoperating10% to 90%
5% to 95%, 38.7° C (101.6° F) maximum wet bulb 
temperature
Altitude (unpressurized)
Operating
Nonoperating0 to 3,048 m
0 to 9,144 m0 to 10,000 ft
0 to...

Specifications
Maintenance and Service Guide6–3
Ta b l e  6 - 2
16.0-inch SXGA, TFT Display
Dimensions
Height
Width
Diagonal24.00 cm
32.20 cm
40.60 cm9.45 in
12.68 in
16.00 in
Number of colorsUp to 16.8 million
Contrast ratio150:1
Brightness120+ nit typical
Pixel resolution
Pitch
For mat
Configuration0.264 × 0.264 mm
1024 × 768
RGB vertical stripe
BacklightEdge lit
Character display80 × 25
Total power 
consumption4.20 W
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