J8: Atx Power Supply Connector; J17: Cpu Fan Power Connector; Usb1: Usb Connector - TMC TI6NBF+ User Manual

Chapter 5 Installation

5.3 J8: ATX Power Supply Connector

J8 is a 20-pin ATX power supply connector. Refer to the following
table for the pin out assignments. (Use an ATX power supply with 3.3V
power.)
11 1
Signal Name
3.3V
-12V
Ground
PS-ON
Ground
Ground
Ground
-5V
+5V
+5V
20 10

5.4 J17: CPU Fan Power Connector

J17 is a 3-pin header for the CPU fan power connector. The fan must be a
12V fan.
1 2 3

5.5 USB1: USB Connector

USB1 is the standard USB external connector consisting of two ports.
USB support allows connections of up to 64 plug and play external
peripherals per channel. The following table shows the pin outs of these
ports.
PORT 2
PORT 1
20 TI6NBF+ Pentium II/III ATX Motherboard User's Manual
Pin # Pin # Signal Name
11 1 3.3V
12 2 3.3V
13 3 Ground
14 4 +5V
15 5 Ground
16 6 +5V
17 7 Ground
18 8 Power good
19 9 5VSB
20 10 +12V
Pin # Signal Name
1 Rotation
2 +12V
3 Ground
Pin # Signal Name
1 Vcc
2 USB-
3 USB+
4 Ground