11-20 SPARCstation 5 Model 110 Service Manual • November 1996
FIGURE 11-20 Removing the System Board
11.4.2 Replacing the System Board
The serial port jumpers are preset for RS-423 mode. See Section 11.4.3 “Setting
Jumpers,” if you need to change the jumpers on the system board to RS-232.
1. Install the new system board.
See
FIGURE 11-21.
a. Insert the front edge of the board (the edge with the DSIMMs) into the card
guide.
b. Lift the rear panel of the board slightly to make sure that the “foot” on the
underside of the board doesn’t catch the metal edge of the chassis.
c. Slide the board along the card guide until it is fully inserted.
Card guide
System board
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