Lenovo PC 300GL Technical Information Manual 6272, 6282 - Page 33

Power Supply

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Chapter 4. Power Supply Chapter 4. Power Supply The power supply requirements are supplied by a 85-watt (PC 300GL 6272) or 145-watt (PC 300GL 6282) power supply. The power supply converts the ac input voltage into four dc output voltages and provides power for the following: System board Adapters Internal DASD drives Keyboard and auxiliary devices A logic signal on the power connector controls the power supply; the front panel switch is not directly connected to the power supply. Power Input The following figure shows the input power specifications. The power supply has a manual switch to select the correct input voltage. Figure 25. Power Input Requirements Specification Input voltage, low range Input voltage, high range Input frequency Measurements 90 (min)-137 (max) V ac 180 (min)-265 (max) V ac 50 Hz ± 3 Hz or 60 Hz ± 3 Hz © Copyright IBM Corp. October 1997 21

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Chapter 4.
Power Supply
Chapter 4. Power Supply
The power supply requirements are supplied by a 85-watt (PC
300GL 6272) or 145-watt (PC
300GL
6282) power supply.
The power supply converts the ac input voltage into four dc output voltages and
provides power for the following:
±
System board
±
Adapters
±
Internal DASD drives
±
Keyboard and auxiliary devices
A logic signal on the power connector controls the power supply; the front panel switch is not directly
connected to the power supply.
Power Input
The following figure shows the input power specifications.
The power supply has a manual switch to
select the correct input voltage.
Figure 25. Power Input Requirements
Specification
Measurements
Input voltage, low range
90 (min)–137 (max) V ac
Input voltage, high range
180 (min)–265 (max) V ac
Input frequency
50 Hz
±
3 Hz or 60 Hz
±
3 Hz
Copyright IBM Corp. October 1997
21