Atx/At Power Supply; Table 1 Atx Power (Connector X51) Pinout Description; Table 2 Jumper X53 Description - Congatec SMARC 2.0 conga-SEVAL User Manual

3.3.1 ATX / AT Power Supply
With an ATX power supply, the SMARC
on, set jumper X53 to position 2-3. This setting is ideal for debugging purposes.
Table 1 ATX Power (Connector X51) Pinout Description
Pin Signal Description
1 +3.3V Power Supply +3.3 VDC
2 +3.3V Power Supply +3.3 VDC
3 GND Power Ground
4 +5V Power Supply +5 VDC
5 GND Power Ground
6 +5V Power Supply +5 VDC
7 GND Power Ground
8 PWR_OK Power Ok
9 5V_SB Standby Power Supply +5 VDC
10 +12V Power Supply +12 VDC
11 +12V Power Supply +12 VDC
12 +3.3V Power Supply +3.3 VDC
Table 2 Jumper X53 Description
Pin Configuration
1-2 ATX Mode (Default)
2-3 ATX PSU always on
Connector Type
X51: ATX 2.0 Power Connector
X53: 2.54 mm grid jumper
Copyright © 2017 congatec AG
® module starts after the power-on button M19 is pressed. To force the ATX power supply to always be
Pin Signal Description
13 +3.3V Power Supply +3.3 VDC
14 -12V Power Supply -12 VDC
15 GND Power Ground
16 PS_ON# Power Supply On (active low). Short this
pin to GND to switch power supply ON,
disconnect from GND to switch OFF.
17 GND Power Ground
18 GND Power Ground
19 GND Power Ground
20 N.C Not connected
21 +5V Power Supply +5 VDC
22 +5V Power Supply +5 VDC
23 +5V Power Supply +5 VDC
24 GND Power Ground
Jumper X53
1 2 3
ATX Power Connector X51
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