Compaq 435 Maintenance and Service Guide - Page 84

System board

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System board NOTE: The system board spare part kit includes replacement thermal material. Description Spare part number For use only with computer models equipped with an AMD Athlon II, Phenom II, Turion II, or V-Series 646981-001 processor and a graphics subsystem with discrete memory For use only with computer models equipped with an AMD Athlon II, Phenom II, Turion II, or V-Series 646982-001 processor and a graphics subsystem with UMA memory For use only with computer models equipped with an AMD E350 1.60-GHz processor 646980-001 For use only with computer models equipped with an AMD E240 1.50-GHz processor 646979-001 For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, a graphics subsystem with discrete video memory, and 1024-MB of graphics subsystem memory 646672-001 For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, a graphics subsystem with discrete video memory, and 512-MB of graphics subsystem memory 646673-001 For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, and a graphics subsystem with UMA video memory 646671-001 For use only with computer models equipped with an Intel Pentium processor, a graphics subsystem with discrete video memory, and 512-MB of graphics subsystem memory 646670-001 For use only with computer models equipped with an Intel Pentium processor and a graphics subsystem with UMA video memory 646669-001 For use only with computer models equipped with an Intel Celeron or Core 2 Duo processor and a graphics subsystem with UMA video memory 646668-001 Before removing the system board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 43). 5. Remove the WLAN module (see WLAN module on page 44). 6. Disconnect the hard drive connector cable from the system board (see Hard drive on page 48). 7. Remove the following components: ● Keyboard (see Keyboard on page 53) ● Top cover (see Top cover on page 56) ● Speakers (see Speakers on page 63) 76 Chapter 4 Removal and replacement procedures

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System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
For use only with computer models equipped with an AMD Athlon II, Phenom II, Turion II, or V-Series
processor and a graphics subsystem with discrete memory
646981-001
For use only with computer models equipped with an AMD Athlon II, Phenom II, Turion II, or V-Series
processor and a graphics subsystem with UMA memory
646982-001
For use only with computer models equipped with an AMD E350 1.60-GHz processor
646980-001
For use only with computer models equipped with an AMD E240 1.50-GHz processor
646979-001
For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, a graphics
subsystem with discrete video memory, and 1024-MB of graphics subsystem memory
646672-001
For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, a graphics
subsystem with discrete video memory, and 512-MB of graphics subsystem memory
646673-001
For use only with computer models equipped with an Intel Dual Core i5 or i3 processor, and a
graphics subsystem with UMA video memory
646671-001
For use only with computer models equipped with an Intel Pentium processor, a graphics subsystem
with discrete video memory, and 512-MB of graphics subsystem memory
646670-001
For use only with computer models equipped with an Intel Pentium processor and a graphics
subsystem with UMA video memory
646669-001
For use only with computer models equipped with an Intel Celeron or Core 2 Duo processor and a
graphics subsystem with UMA video memory
646668-001
Before removing the system board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
43
).
5.
Remove the WLAN module (see
WLAN module
on page
44
).
6.
Disconnect the hard drive connector cable from the system board (see
Hard drive
on page
48
).
7.
Remove the following components:
●
Keyboard (see
Keyboard
on page
53
)
●
Top cover (see
Top cover
on page
56
)
●
Speakers (see
Speakers
on page
63
)
76
Chapter 4
Removal and replacement procedures