System Board - Toshiba QOSMIO E10 Maintenance Manual

4.15 System board

4.15 System board
CAUTION: 1. When handling the system board, always hold by the edges. Do not touch
the printed circuit face.
2. If replacing with a new system board, execute the subtest01 Initial
configuration in section 3.3 "Setting of the hardware configuration". Also
update with the latest BIOS as described in Appendix G "BIOS Rewrite
Procedures".
Removing the system board
The following describes the procedure for removing the system board (See Figure 4-26).
1. Disconnect the RTC battery cable from the connector PJ8490 on the system board.
2. Pull out the RTC battery cable form the guide and pull up the BATT CONN cover
from the base assembly.
3. While turning up the insulator (1 position), remove the following screws securing the
system board and remove the system board.
• M2.5×4B
Insulator
M2.5x4B FLAT BIND
QOSMIO E10 Maintenance Manual (960-492)
FLAT BIND screw
Guide
Figure 4-26 Removing the system board
4 Replacement Procedures
x3
RTC battery cable
BATT CONN cover
M2.5x4B FLAT BIND
PJ8490
4-45