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Power Supply, System Connectors, CPU
3.1 Power Supply, System Connectors, CPU
3.1.1 Power Supply
The connector for the power supply is a 2x12pin ATX connector ("ATX24"). It is accompanied by a 2x4pin
connector, which must be used to provide the COREIN power supply.
2x4pin connector:
Manufacturer
Molex
2x12pin connector:
Manufacturer
Amphenol
Pinout ATX power connector 2x2:
Description
ground
ground
Pinout "ATX24" power connector:
Description
3.3 volt supply
3.3 volt supply
ground
5 volt supply
ground
5 volt supply
ground
ATX Powergood
standby supply 5V
12 volt supply
12 volt supply
Beckhoff New Automation Technology CB1064-xxxx
Description
39-29-3086
Description
MF42-SD-24LK
Name
Pin
GND
1
GND
2
Name
Pin
3.3V
1
3.3V
2
GND
3
VCC
4
GND
5
VCC
6
GND
7
PWRGOOD 8
SVCC
9
12V
10
12V
11
Standard ATX connector
Name
3
COREIN
4
COREIN
Name
13
3.3V
14
-12V
15
GND
16
PS_ON
17
GND
18
GND
19
GND
20
-5V
21
VCC
22
VCC
23
VCC
Chapter: Connectors
Mating connector
e.g. 39-01-2085
Mating Connector
Description
12 volt supply
12 volt supply
Description
3.3 volt supply
12 volt supply
ground
PS_ON
ground
ground
ground
volt supply -5V
5 volt supply
5 volt supply
5 volt supply
page 17
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