IBM XT 5160 User Manual

IBM Portable Personal Computer Power
Supply
Description
The system unit's power supply is a 114-watt, switching regulator
that provides five outputs. It supplies power for the system unit
and its options, the power supply fan, the diskette drive, the
composite display, and the keyboard. All power levels are
protected against overvoltage and overcurrent conditions. The
input voltage selector switch has 115 Vac and 230 Vac positions.
If a dc overload or overvoltage condition exists, the power supply
automatically shuts down until the condition
is corrected, and the
power supply
is switched off and then on.
The internal 5-1/4 inch diskette drive uses the +5 Vdc and the
+12 Vdc power levels. Both the +12 Vdc and -12 Vdc power
levels are used in the drivers and receivers
of the optional
communications adapters. The display uses a separate
+12 Vdc
power level. The +5 Vdc, -5 Vdc, +12 Vdc, and -12 Vdc power
levels are bussed across the system expansion slots.
Voltage and Current Requirements
Voltage @ 50/60 Hz ± 3 Hz
Nominal Vac
Minimum Vac Maximum Vac
110
90
137
220/240
180
259
Current:
3.5 A max at 90 Vac
Note: Input voltage to be 50 or 60 hertz, ± 3 hertz.
Power Supplies 3-7

IBM XT 5160 Specifications

General

Brand	IBM
Model	XT 5160
Category	Desktop
Language	English