Toshiba T1950 User Manual page 130

4.10 Upper System Board
Removing the Upper System Board (FATSU*)
To remove the T1900/T1900C's upper system board, follow the steps below and refer to
Figure 4-18.
1. Turn off the power to the T1900/T1900C, and, if attached, disconnect the AC
adapter, power cord and all external cables connected to the computer.
2. Remove the battery pack, optional memory card, optional PCMCIA card, top
cover, keyboard, HDD, display mask, and display assembly as described in Sec-
tions 4.2 through 4.9.
3. Disconnect the mouse/KB cable from PJ3, and RTC battery cable from PJ2 on
the upper system board.
4. Remove the M2.5x6 silver screw on the left side of the upper system board and
M2x8 screw on the optional memory card connector.
5. Pull up the upper system board to disconnect PJ5 and PJ10 and separate it from the
lower system board.
Figure 4-18 Removing the Upper System Board
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