Electrical Specifications - Seco COM-Express CCOMe-C79 User Manual

2.3 Electrical Specifications

CCOMe-C79 board needs to be supplied using a standard ATX Power Supply, which can, however, also be configured to work in AT mode.
ATX / AT Power Connector
Pin Signal
1 +3.3V_RUN
2 +3.3V_RUN
3 GND
4 +5V_RUN
5 GND
6 +5V_RUN
7 GND
8 PWR_OK_ATX
9 +5V_ALW
10 +12V_RUN
11 +12V_RUN
12 +3.3V_RUN
Auxiliary Power Connector
Pin Signal Pin
1 +12V_RUN 5
2 +12V_RUN 6
3 +12V_RUN 7
CCOMe-C79
CCOMe-C79 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by E.S. Copyright © 2021 SECO S.p.A.
CN10
Pin Signal
13 +3.3V_RUN
14 ---
15 GND
16 PS_ON#
17 GND
18 GND
19 GND
20 ---
21 +5V_RUN
22 +5V_RUN
23 +5V_RUN
24 GND
The board has an Auxiliary Power connector CN7 providing
CN7
only, in case multiple PCI-e modules are connected.
Signal CN7 is 6-poles connector, type MOLEX mini-Fit Jr. p/n 39-28-1063 or equivalent.
GND Mating Connector, MOLEX p/n 39-01-2060 or equivalent, with female crimp terminal
MOLEX series 5566.
GND
GND
Power Connector CN10 is type Molex Mini-Fit Jr. connector,
p/n 39-28-1243, or equivalent, with the pin-out indicated in the
table here on the left (it is the standard 24-pin ATX pin-out).
Mating Connector, MOLEX p/n 39-01-2240 or equivalent, with
female crimp terminal MOLEX series 5566.
PS_ON#: this signal is present only if the board is configured, via CN11 and J2, to work in
ATX mode. If working in AT mode, this pin is connected directly to Ground.
Power connector can be set to work in ATX mode or AT mode by using dedicated jumpers
CN11 and J2, which are a standard pin headers, P2.54mm, 1x3 pin.
CN11 position
2-3
1-2
1-2
J2 position Power mode
Not Care AT mode
1-2 ATX mode
2-3 AT mode
12V_RUN for the carrier board section
+
16