5–36 Maintenance 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)
❏ 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).
System Board
Spare Part Number Information
120 watt (for use only with models with
3.06-GHz processor, spare part number 316743-001, and
120W AC adaptor, spare part number 320043-001)
325489-001
90 watt with wireless communication 320042-001
90 watt without wireless communication 320041-001
307503-003.book Page 36 Friday, April 4, 2003 3:37 PM
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