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2.3 Electrical Specifications
The 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
Pin
1
+3.3V_RUN
13
2
+3.3V_RUN
14
3
GND
15
4
+5V_RUN
16
5
GND
17
6
+5V_RUN
18
7
GND
19
8
PWR_OK_ATX
20
9
+5V_SB
21
10
+12V_RUN
22
11
+12V_RUN
23
12
+3.3V_RUN
24
EPS CPU Power Connector
Pin
Signal
Pin
1
GND
5
2
GND
6
3
GND
7
4
GND
8
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.
Power Connector CN10 is type Molex Mini-Fit Jr. connector, p/n 39-
CN10
28-1243, or equivalent, with the pin-out indicated in the table here on
Signal
the left (it is the standard 24-pin ATX pin-out).
+3.3V_RUN
Mating Connector, MOLEX p/n 39-01-2240 or equivalent, with
female crimp terminal MOLEX series 5566.
---
GND
PS_ON#: this signal is present only if the board is configured, via JP33 and JP34, to work in ATX
mode. If working in AT mode, this pin is connected directly to Ground.
PS_ON# (*)
GND
GND
Power connector can be set to work in ATX mode or AT mode by using dedicated jumpers JP33
GND
and JP34, which are a standard pin headers, P2.54mm, 1x3 pin.
---
+5V_RUN
+5V_RUN
+5V_RUN
GND
The board has a CPU Power Connector CN8 providing
CN8
CN8 is a Molex Mini-Fit jr. 8 poles connector, p/n 39-28-1083 or equivalent.
Signal
Mating Connector, MOLEX p/n 39-01-2080 or equivalent, with female crimp
+12V_RUN
terminal MOLEX series 5566.
+12V_RUN
+12V_RUN
+12V_RUN
JP33 position
JP34 position
2-3
1-2
1-2
1-2
2-3
Power mode
AT mode
ATX mode
ATX
No Suspend status
12V_RUN for the installed module only.
+
16
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