Connecting Ps/2, Usb, And Serial Port 1 - TYAN TRINITY 450 Manual

2.12 Connecting PS/2, USB, and Serial Devices
This motherboard includes ports for PS/2 mouse and keyboard, Universal Serial Bus (USB) devices, and
serial and parallel* devices. Please note that the upper PS/2 port is the mouse port, and the lower PS/2
port is for the keyboard (see Figure 2.7 below).
The PS/2 connectors are probably quite familiar to you, while the USB connectors may not be. A USB
port can function as a serial, parallel, mouse, keyboard, display, or joystick port. It is capable of supporting
up to 127 daisy-chained peripheral devices. All external ports are labeled in Figure 2.7, shown below.
PS/2 Mouse Port
PS/2 Keyboard Port
Connecting Serial and Parallel Ports
The serial and parallel ports can be used to connect various devices such as a mouse or printer. The con-
nectors can only be connected one way: be sure and check the orientation of the connector before install-
ing it into the port.
When plugging in your keyboard and mouse, or when plugging in anything into a
serial or parallel* port, make sure that the power is off. Connecting these devices
NOTE:
and ports while the power is on is called hot plugging and may damage your sys-
tem and/or external devices that you are trying to install.
Trinity 450 S2507S
USB Ports Parallel Port
Serial Port
Figure 2.7
Serial Port
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