10-2 SPARCstation 5 Service Manual—November 1996
10
10.1 Damage Prevention
Caution – Use an antistatic mat when working with the system board.
An antistatic mat contains the amount of cushioning needed to protect the
underside components, to prevent board flexing, and to provide antistatic
protection. Part numbers for antistatic mats from Sun Microsystems are listed
in Chapter 12, “Illustrated Parts Breakdown.”
10.2 Handling System Boards and Assemblies
Caution – The system chassis power switch must be set to Standby, and the AC
power cord must remain plugged in to ensure a proper ground.
Caution – Surfaces are hot and may cause personal injury if touched.
Avoid contact.
Caution – The system board and related modules and cards have surface-
mount components that may break if the board is flexed.
To minimize the amount of board flexing, observe the following precautions:
• Hold the system board only by the edges.
• Do not place the system board, SBus cards, DSIMMs, or chips on a hard
surface. Use a cushioned antistatic mat. See Chapter 12, “Illustrated Parts
Breakdown.”
• Transport the board in an antistatic bag.
Protect yourself and the equipment by observing the safety precautions
described in Chapter 5.
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