Peripheral Power Connector, -5V, -12V (Cn7) - Aaeon PCM-5890 Manual

Peripheral power connector, -5V, -12V (CN7)

Supplies secondary power to devices that require -5 V and -12 V.
Main power connector, +5V, +12V (CN15)
Supplies main power to the PCM-5890 (+5 V) and devices that
require +12 V.
Fan power supply connector (CN5)
Provides power supply to optional CPU cooling fan. Only present
when +5 V and +12 V power is supplied to the board.
The PCM-5890 offers four serial ports: three RS-232 and one
RS-232/422/485. These ports let you connect to serial devices (a
mouse, printers, etc.) or a communication network.
The serial port connectors are mounted on the right hand edge of
the card. The 40-pin, dual-in-line, male header to the right of the
card is for the RS-232 and RS-232/422/485 ports.
IRQ Selection
J15
J16
J9
*default setting
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*COM3:IRQ5 and COM4:IRQ10 COM3:IRQ10 and COM4:IRQ5
*RS-232RS-422
6 5
4 3
2 1
RS-485
6 5 6
4 3 4
2 1 2
Chapter 2 Installation 21
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