User manual

AIMB-582 User Manual 10

1.8.4 JUSBPWR1-4 (USB Power Selection Connector)

1.8.5 PSON1: ATX, AT Mode Selector

*Default

1 1

1.8.6 JIR1+JOB1+JWD1: Watchdog Timer Output and OBS Alarm

Option

Table 1.5: JUSBPWR1-4 (USB Power Selection Connector)

Pin Pin Name

1 +V5_DUAL

2 +V5_USB

3+V5

Default: 2-3 Pin (+5 V)

Table 1.6: PSON1: ATX, AT Mode Selector

Closed Pins Result

1-2 AT Mode

2-3* ATX Mode

AT Mode

1-2 closed

ATX Mode

2-3 closed

Table 1.7: JIR1+JOB1+JWD1: Watchdog Timer Output and OBS Alarm

Option

Pin Pin Name

1+V5

2 NC

3NC

4 SIO_WG#

5 SIO_IRRX

6 SRST#

7 GND

8 ERR_BEEP

9 SIO_IRTX

10 OBS_BEEP