Lenovo ThinkCentre M90z Hardware Maintenance Manual page 37

– Low range:
Minimum: 100 V ac
Maximum: 127 V ac
Input frequency range: 50 to 60 Hz
– High range:
Minimum: 200 V ac
Maximum: 240 V ac
Input frequency range: 50 to 60 Hz
.
Chapter 3 General information
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