Lenovo 3000H User Manual
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Lenovo 3000H User Guide
1.2 Back View of the Chassis (usage of all I/O connectors on the
rear panel of the chassis)
The rear panel connectors of some models are as illustrated below, please refer to them
according to your actual configuration;
——
Power connector:
Used to connect the mainframe to the power supply
——
PS/2 mouse connector:
Used to connect PS/2 mouse
——
PS/2 keyboard connector:
Used to connect PS/2 keyboard
——
Serial port:
Used to connect devices with serial port (COM port)
——
Parallel port:
Used to connect devices with parallel port
——
Onboard graphics card connector:
Used to output monitor signals (VGA signals) through the
signal cable connected with the monitor. (On models with external graphics card, onboard graphics
card signals are shielded with no VGA signal outputs - some models are equipped with this connector)
——
USB connector:
Used to connect USB devices
——
Ethernet connector:
Used to connect LAN or broadband devices