IBM 32x - Manual (Page 19)

Port for an Ethernet LAN cable.
Mouse port.
Port for a PS/2 or compatible keyboard.
Microphone port.
Audio input port.
Port for audio output, such as self-amplified speakers
power Power. The voltage switch allows you to select 100-127 V or
200-240 V ac.
Attention
When installing a new power supply, be sure to set the correct
input voltage for your area or you will damage the power
supply. See Figure 1-3 on page 1-4 to locate the voltage
selection switch.
Product introduction
11-9-2005
Chapter 1. Introduction 1-5