User`s guide

Page 7
TI-810+ Motherboard
2.3.3 AT Keyboard Connector
This connector supports a standard IBM-compatible keyboard, such as 101/102
enhanced keyboard (Use a PS/2 keyboard adapter in order to connect a PS/2 KB to
this AT connector.).
2.3.4 Serial (COM1/COM2) Port Connector
This motherboard provides two compatible serial ports, it can be used when add
additional serial devices.
2.3.5 Parallel Port Connector (26-pin)
This connector supports the included parallel port ribbon cable with mounting
bracket.
2.3.6 Integrated Functions Connector (20-Pin)
If you want to use PS/2 mouse, USB, or IrDA devices, you need to purchase an
optional USB/MIR connector set. You may use the bundled PS/2 mouse/parallel
port connector set if you just want to use a PS/2 mouse. Either connector set
connects to the 20-pin block and mounts to an open slot on your systems chassis.
The system will direct IRQ12 to the PS/2 mouse if one is detected. If not detected,
expansion cards can use IRQ12.
The connector pin out signal definitions are described as below:
1 USB +5V 1 USB +5V
2 USB Port 1- 2 USB Port 2-
3 USB Port 1+ 3 USB Port 2+
4 Ground 4 Ground
5 No Connect 5 No Connect
1 PS/2 Data 1 +5V
2 PS/2 Clock 2 No Connect
3 Ground 3 Infrared Receive
4 No Connect 4 Ground
5 +5V 5 Infrared Transmit
PS/2 USB1
IR USB2