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.
16
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.
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.
The board has an Auxiliary Power connector CN7 providing
+
12V_RUN for the carrier board section
only, in case multiple PCI-e modules are connected.
CN7 is 6-poles connector, type MOLEX mini-Fit Jr. p/n 39-28-1063 or equivalent.
Mating Connector, MOLEX p/n 39-01-2060 or equivalent, with female crimp terminal
MOLEX series 5566.
ATX / AT Power Connector CN10
Pin Signal
Pin Signal
1
+3.3V_RUN
13
+3.3V_RUN
2
+3.3V_RUN
14
---
3
GND
15
GND
4
+5V_RUN
16
PS_ON#
5
GND
17
GND
6
+5V_RUN
18
GND
7
GND
19
GND
8
PWR_OK_ATX
20
---
9
+5V_ALW
21
+5V_RUN
10
+12V_RUN
22
+5V_RUN
11
+12V_RUN
23
+5V_RUN
12
+3.3V_RUN
24
GND
CN11 position J2 position
Power mode
2-3
Not Care
AT mode
1-2
1-2
ATX mode
1-2
2-3
AT mode
Auxiliary Power Connector CN7
Pin Signal
Pin Signal
1
+12V_RUN
5
GND
2
+12V_RUN
6
GND
3
+12V_RUN
7
GND
