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Toshiba 960-498 Manual Do Utilizador

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4  Replacement Procedures  
4.12  System board 
4.12 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 4-23 and 
4-24). 
1.  Disconnect the VGA fan cable from the connector CN8780 on the system board 
from the bottom side. 
 
VGA fan cable 
CN8780 
Memory slot 
Figure 4-23  Removing the VGA fan cable  
2.  Turn over the PC and turn up the insulator to release the USB cable. 
3.  Remove the following screws securing the system board and remove the system 
board with the DC-IN jack. When removing the system board, be careful not to break 
the I/O ports on the system board. 
•  M2.5×4B   
FLAT BIND screw   
x4 
4.  Remove the BATT CONN cover. 
5.  Disconnect the DC-IN jack, SD board flat cable and SVP harness from the system 
board. 
QOSMIO F10  Maintenance Manual (960-498) 
 
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