Removal and Replacement Procedures

5.16 System Board

System Board

Spare Part Number Information

120 watt (for use only with models with

325489-001

3.06-GHz processor, spare part number 316743-001, and

 

120W AC adaptor, spare part number 320043-001)

 

90 watt with wireless communication

320042-001

90 watt without wireless communication

320041-001

 

 

✎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)

❏Keyboard (Section 5.8)

❏Display assembly (Section 5.12)

❏Top cover (Section 5.13)

2.Disconnect the 1394 board cable from the system board (Section 5.14).

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Maintenance and Service Guide