6 Identifying the Chassis, Routine Care,
and Disassembly Preparation
This chapter provides general service information for the computer. Adherence to the procedures and
precautions described in this chapter is essential for proper service.
CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the
system board. You must disconnect the power cord from the power source before opening the computer
to prevent system board or component damage.
Chassis Designations
The following subsection illustrates the dx7400 chassis design.
Microtower (MT)
48 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation
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