The
AZZA
KT33-BV Mainboard
Page 17
2.5.4. ATX Power Supply Connector
Connector: CN 15
Type: 20 pin block
This must be connected to an ATX power supply. The plug from the power sup-
ply can only be inserted in one orientation. Make sure the pins are correctly
aligned. Find the correct orientation and push the plug down firmly.
2.5.3. CPU Fan and Chassis Fan Connectors
Connector: CN13 (CPU Fan)/CN17 (Chassis Fan)
Type: 3 pin
The cooling fans must be connected to their respective power connectors. If
you have installed the hardware-monitoring feature you will be able to monitor
the rotating speed of the CPU cooling fan in your Windows operating system.
Ground
Fan Signal
+12V DC
1
2
3
CPU and Chassis Fan Connectors
CPU Fan
Chassis Fan
Ground
Fan Signal
+12V DC
1
2
3
ATX Power Supply Connector
Pin 1 Pin 11
+12V
5VSB
PWR_OK
GND
+5VDC
GND
+5VDC
GND
+3.3VDC
+3.3VDC
+5VDC
+5VDC
-5VDC
GND
GND
GND
PS_ON#
GND
-12VDC
+3.3VDC
Hardware Installation