HP DM3 manual System board, Description Spare part number

System board

NOTE: The system board spare part kit includes replacement thermal material.

Description	Spare part number
AMD Athlon™ II Neo Processor K125 (1.7GHz, 1M L2 cache), UMA	600818-001
AMD Athlon™ II Neo Dual-Core Processor K325 (1.3GHz, 2M L2 cache), UMA	600819-001
AMD Turion™ II Neo Dual-Core Mobile Processor K625 (1.5GHz, 2M L2 cache), UMA	600820-001
AMD Athlon™ II Neo Dual-Core Processor K325 (1.3GHz, 2M L2 cache), discrete	600821-001
AMD Turion™ II Neo Dual-Core Mobile Processor K625 (1.5GHz, 2M L2 cache), discrete	600822-001

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 36).

5.Remove the following components:

a.Hard drive (see Hard drive on page 38).

b.Memory/wireless module compartment cover (see WLAN module on page 43)

c.Keyboard (see Keyboard on page 50)

d.Display assembly (see Display assembly on page 57

e.Top cover (see Top cover on page 53

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:

●SIM (see SIM on page 37

●WLAN module (see WLAN module on page 43)

●Memory module (see Memory module on page 46)

●WWAN module (see WWAN module on page 41)

●Fan (see Fan on page 71)

●RTC battery (see RTC battery on page 48)

Component replacement procedures 67