140 SPARCstation 20 Service Manual • July 1996
Caution – The system board and related modules and cards have surface-mount
components that may break when the board is flexed.
To minimize the amount of board flexing, observe the following precautions:
â– Hold the system board only by the edges.
â– Do not place the system board or any component of the system board (SBus card,
MBus module, SIMM, or chip) on a hard surface. Use a cushioned antistatic mat.
See Chapter 12.
â– Transport the system board in an antistatic bag.
System Board Description
FIGURE 10-1 identifies the major components of the SPARCstation 20 system board.