Rosewill Computer Case 422 Información técnica descargar pdf (Pagina 95)

178

Chapter 4 • Disassembly and Power

+ 5 Volts

+ 12 Volts

+ 4.75

+ 11.4

Minimum Maximum

+ 5.25

+ 12.6

Voltages

Berg connector

Molex connector

Yellow: +12V

Black: ground

Red: +5V

Black: ground

Yellow: +12V

Figure 4.39 Molex and Berg power connectors

Write the voltage level found for the +5 volt wire in Table 4.11.

Table 4.11 +5 volt check

Voltage being checked Voltage found

+5 volts

8. Check the +12 volt DC output by placing the meter’s black lead in (if the connector is a

Molex) or on (if the connector is a Berg) one of the grounds. Place the meter’s red lead on

the +12 volt wire in or on the connector. See Figure 4.39 for the layout of the Molex and

Berg power supply connections. The figure also contains a table with acceptable voltage

levels. Write the voltage level found for the +12 volt wire in Table 4.12.

Table 4.12 +12 volt check

Voltage being checked Voltage found

+12 volts

9. Notify the instructor of any voltages out of the acceptable range.

10. Power off the meter.

Instructor initials: _____________

11. Power off the computer.

Lab 4.10 Windows XP Power Options

Objective: To be able to control power options via BIOS and Windows XP

Parts: Computer with Windows XP loaded

Procedure: Complete the following procedure and answer the accompanying questions.

1. Power on the computer and ensure it boots properly before the exercise begins.

2. Reboot the computer and access BIOS Setup.

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Rosewill Computer Case 422 Información técnica Pagina 95