Atx Power Connectors (Cn10 And Cn15); Fan Connector (Cn11) - AXIOMTEK Qseven Q7B300 User Manual

Q7B300 Qseven Module Development Board
2.5.8

ATX Power Connectors (CN10 and CN15)

Steady and sufficient power can be supplied to all components on the board by
connecting power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
External power supply plug fits into this connector in only one orientation. Properly press
down power supply plug until it completely and firmly fits into this connector. Loose
connection may cause system instability.
Note
The CN10 is a 24-pin ATX power connector.
Pin Signal
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR_ON
9 +5VSB
10 +12V
11 +12V
12 +3.3V
The CN15 is an 8-pin +12V ATX power connector. The Q7B300 supports AT mode when
you plug only the 12V power supply into CN15.
Pin Signal
1 GND
2 GND
3 GND
4 GND
2.5.9

Fan Connector (CN11)

Fan is needed for cooling down system temperature. The system fan interface is
available through 3-pin connector (CN11).
Pin Signal
1 GND
2 FAN_PWMOUT
3 FAN_TACHOIN
18
Use jumper JP11 to select AT or ATX mode, see section 2.4.11.
Pin Signal
13 +3.3V
14 -12V
15 GND
16 PS_ON#
17 GND
18 GND
19 GND
20 N.C.
21 +5V
22 +5V
23 +5V
24 GND
Pin Signal
5 +12V
6 +12V
7 +12V
8 +12V
Board and Pin Assignments