5–46 Maintenance and Service Guide
Removal and Replacement Procedures
5.23 System Board
✎
When replacing the system board, ensure that the following
components are removed from the defective system board and
installed on the replacement system board:
■ Memory expansion boards (refer to Section 5.10)
■ Modem board (refer to Section 5.11)
■ Mini PCI communications board (refer to Section 5.12)
■ Heat sink (refer to Section 5.13)
■ Processor (refer to Section 5.14)
■ Real time clock battery (refer to Section 5.16)
■ Security card (refer to Section 5.17)
1. Prepare the notebook for disassembly (refer to Section 5.3)
and remove the following components:
❏ Keyboard (refer to Section 5.9)
❏ LED switch cover (refer to Section 5.15)
❏ Display assembly (refer to Section 5.18)
❏ Top cover (refer to Section 5.19)
❏ Fan (refer to Section 5.22)
Spare Part Number Information
System board with 128 MB of video memory
System board with 64 MB of video memory
✎
Both system boards include thermal grease.
349206-001
345064-001
