Kontron COMe Ref. Carrier T2 Manual de usuario descargar pdf (Pagina 29)

COM Express™ miniBaseboard Type 2 / Connectors and Features

24

5 Connectors and Features

5.1 Power supply

5.1.1 ATX connector

The miniBaseboard's power supply follows the ATX specification and in default configuration the baseboard should be

supplied by connecting an ATX PSU with 20pin ATX and 4pin ATX_12V supply cable in correct orientation. The 4pin

ATX_12V connector mainly supplies power to the module over 0R resistor R669. The module is supplied with 5V

standby voltage over 0R resistor R670.

Pin

20pin ATX J58

Pin

20pin ATX J58

Pin

4pin ATX J59

1

+3.3VDC

11

+3.3VDC

1

GND

2

+3.3VDC

12

-12VDC

2

GND

3

GND

13

GND

3

+12VDC or

8.5-18V in single

supply mode

4

+5VDC

14

PS_ON

5

GND

15

GND

6

+5VDC

16

GND

4

+12VDC or

8.5-18V in single

supply mode

7

GND

17

GND

8

PWR_OK

18

-5VDC

9

+5VSB

19

+5VDC

10

+12VDC

20

+5VDC

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