System Board - Toshiba PORTEGE M300 Maintenance Manual

4 Replacement Procedures

4.16 System board

CAUTION: 1. When handling the system board, hold the edges.
2. When replacing with a new system board, be sure to follow the procedures
below.
(1) Execute the subtest03 DMI information save of 3.3 Setting of the
hardware configuration in Chapter 3.
(2) Copy the DMI data to a new system board by executing subtest04 DMI
information recovery and subtest08 System configuration display.
Removing the system board
To remove the system board, follow the steps below and refer to figure 4-28.
1. While pulling out the DC-IN jack and modem jack from the base assembly, lift up the
system board and remove it toward the arrow direction.

System board

Sound I/F side
PORTEGE M300 Maintenance Manual (960-504)
Slot portion
Figure 4-28 Removing the system board
4.16 System board
DC-IN jack
Modem jack
4-41