Atx Power On Function Select (J11); Ir Connector (Cn8); Com-Port Connector (Cn20); Table 2-5: Atx Power On Function Select (J11) - Advantech PCM-9574 User Manual

2.15 ATX power on function select (J11)

Table 2-5: ATX power on function select (J11)

J11
* default setting
Note1:
Note2:

2.16 IR connector (CN8)

The PCM-9574 provides an IrDA port for transfer rates of 115 Kbps.
This connector supports the optional wireless infrared transmitting and
receiving module. This module mounts on the system case. You must
configure the setting through BIOS setup.

2.17 COM-port connector (CN20)

The PCM-9574 provides four serial ports (COM1, 3, 4: RS-232;
COM2: RS-232/422/485) in one COM port connector. The COM port
connector is a 40-pin, dual-in-line, male header and provides
connections for serial devices (a mouse, etc.) or a communication
network. You can find the pin assignments for the COM port
connector in Appendix C
22 PCM-9574 User's Manual
Default on
3 2
J11 select 1-2, that while AC power is turned on, the
system cannot boot up without ATX power switch
button J4.
J11 select 2-3, that while AC power is turned on, the
cannot boot up without ATX power switch button J4.
Default off *
1 3 2 1