System Board - HP PAVILION DM3 Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes UMA or discrete graphics subsystem memory and
replacement thermal material.
Description
Intel Pentium U5400 (1.2 GHz, 3M L3 cache) UMA
Intel Pentium U5400 (1.2 GHz, 3M L3 cache) Discrete
Intel Core i3–330UM (1.2 GHz, 3M L3 cache) UMA
Intel Core i3–330UM (1.2 GHz, 3M L3 cache) Discrete
Intel Dual Core i5–430UM (1.2 GHz SC turbo up to 1.73GHz, 3M L3 cache) Discrete
Intel Core i3–380UM (1.33 GHz, 3M L3 cache) UMA
Intel Core i3–380UM (1.33 GHz, 3M L3 cache) Discrete
Intel Core i5–470UM (1.33 GHz SC turbo, 3M L3 cache) Discrete
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory modules (see
● WLAN module (see
Before removing the system board:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4. Remove the following components:
a. Battery (see
b. Hard drive (see
c. WLAN module (see
d. Memory module (see
e. Keyboard (see
f. Top cover (see
g. Display assembly (see
Remove the following cables from the system board:
● Power connector cable (see
Memory module on page
WLAN module on page
Battery on page 34)
Hard drive on page
WLAN module on page
Memory module on page
Keyboard on page 42)
Top cover on page 45)
Display assembly on page
Power cable on page
39)
55)
36)
55)
39)
61)
54).
Component replacement procedures
Spare part number
619456-001
619457-001
621560-001
621561-001
621562-001
626598-001
626599-001
626600-001
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