Replacing The System Board; Figure 11-20 Removing The System Board - Sun Microsystems SPARCstation 5 Service Manual

11

11.4.2 Replacing the System Board

11-20
9. Pull the board out of the back of the chassis until it clears the plastic
card guide.
See Figure 11-20.
10. Place the board on an antistatic surface.

Figure 11-20 Removing 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.
SPARCstation 5 Service Manual—November 1996
Card guide