Parallel Port Irq - Aaeon PCM-5890 Manual

Normally, the parallel port is used to connect the card to a printer. The
PCM-5890 includes an on-board parallel port, accessed through CN12, a 26-
pin flat-cable connector. You will need an adapter cable if you use a
traditional DB-25 connector. The cable has a 26-pin connector on one end
and a DB-25 connector on the other.
The PCM-5890 supports one parallel port. The port is designated
as LPT1 and can be disabled or changed to LPT2 or LPT3 in the
system BIOS setup.
Parallel port IRQ selection
J17
You can select ECP/EPP DMA channel by setting J13 and J14.
ECP/EPP DMA channel
J13
J14
* default setting
The PCM-5890 board provides a keyboard connector which
supports both a keyboard and a PS/2 style mouse. In most cases,
especially in embedded applications, a keyboard is not used. The
standard PC/AT BIOS will report an error or fail during power-on
self test (POST) after a reset if the keyboard is not present. The
PCM-5890's BIOS standard setup menu allows you to select "All,
But Keyboard" under the "Halt On" selection. This allows no-
keyboard operation in embedded system applications without the
system halting under POST (power-on-self-test).
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IRQ5 *IRQ7
*DMA1 DMA3
Chapter 2 Installation 19