System Unit Controls For The Model 400S; Model 400S System - HP 400 Series Servicing Manual

2.1.2

System Unit Controls for the Model 400s

Figure 2-3 shows the locations of the
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• Top five LED indicators
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2-4 System Controls
Power switch, which controls the supply of dc power to the system unit
Mass storage devices on the front of the Model 400s system unit
Figure 2-3. Model 400s System Unit Operational Controls