Connections
CB1067
21
Version: 1.0
5.9
Power supply (P1800 and P1802)
The connection for the power supply is implemented as a 2x12-pin standard ATX plug ("ATX24"). This is
supplemented by a 2x4-pin housing connector of its own, via which the CORE-IN voltage must be provided.
Fig. 9: 2x4-pin MiniFit connector - new
Pin assignment of 2x4-pin MiniFit connector
Description
Name
Pin
Name
Description
Ground
GND
1
5
COREIN
12 V supply voltage
Ground
GND
2
6
COREIN
12 V supply voltage
Ground
GND
3
7
COREIN
12 V supply voltage
Ground
GND
4
8
COREIN
12 V supply voltage
Fig. 10: 2x12-pin ATX power connector
Pin assignment of 2x12-pin ATX power connector
Description
Name
Pin
Name
Description
3.3 V supply voltage
3.3 V
1
13
3.3 V
3.3 V supply voltage
3.3 V supply voltage
3.3 V
2
14
-12 V
–12 V supply voltage
Ground
GND
3
15
GND
Ground
5 V supply voltage
VCC
4
16
PS_ON
On/Off signal
Ground
GND
5
17
GND
Ground
5 V supply voltage
VCC
6
18
GND
Ground
Ground
GND
7
19
GND
Ground
ATX Power good
PWR_ON
8
20
-5 V
–5 V supply voltage
Standby 5 V
S VCC
9
21
VCC
5 V supply voltage
12 V supply voltage
12 V
10
22
VCC
5 V supply voltage
12 V supply voltage
12 V
11
23
VCC
5 V supply voltage
3.3 V supply voltage
3.3 V
12
24
GND
Ground
