TMC TI6NBF+, User Manual

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Chapter 5 Installation
20 Pentium II/III ATX Motherboard User’s Manual
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. )
Signal Name Pin # Pin # Signal Name
3.3V 11 1 3.3V
-12V 12 2 3.3V
Ground 13 3 Ground
PS-ON 14 4 +5V
Ground 15 5 Ground
Ground 16 6 +5V
Ground 17 7 Ground
-5V 18 8 Power good
+5V 19 9 5VSB
+5V 20 10 +12V
11 1
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.
Pin # Signal Name
1 Rotation
2 +12V
1 2 3
3 Ground
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.
Pin # Signal Name
1 Vcc
2 USB-
3 USB+
4 Ground
PORT 2
PORT 1