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Atx Power Connectors; Table 5 X63 - 24-Pin Atx Power - Congatec conga-TEVAL3/COMe 3.1 User Manual

Com express type 6 revision 3.1 evaluation carrier board

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4.3.1

ATX Power Connectors

The conga-TEVAL3/COMe 3.1 provides a standard 24-pin ATX power connector (X63) and 4-pin ATX12V power connector (X67) for an ATX
power supply.
The ATX power supply is controlled by the COMe module. The power supply's behavior depends on BIOS settings.
With an ATX power supply, the COM Express
Use jumper JP11 to disconnect the 5 V standby voltage from the whole system.
Table 5
X63 - 24-pin ATX Power
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
Note
The -12 V power output of the ATX power supply is not used.
Copyright © 2025 congatec GmbH
module starts after you press the power-on button SW16 (ATX mode).
®
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
21
+5V
Power supply +5 VDC
22
+5V
Power supply +5 VDC
23
+5V
Power supply +5 VDC
24
GND
Power ground
TEVA31_m001
X63
24
23
22
21
20
19
18
17
16
12
11
10
9
8
7
6
5
15
14
13
4
3
2
1
22/62

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