HP Compaq nw8440, nc8430, nx8420 Notebook PCs - Maintenance and Service Guide

5–54 Maintenance and Service Guide
Removal and Replacement Procedures
5.21 System Board
✎
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 (Section 5.7 and Section 5.13)
■ Processor (Section 5.12)
■ RTC battery (Section 5.14)
■ Mini Card module (Section 5.16)
■ Modem module (Section 5.20)
System Board Spare Part Number Information
System board (includes RTC battery and 256-MB of
video memory)
416397-001