Intel SBC-455 - Manual (Page 63)

Chapter 3 AMI WinBIOS setup 55
Parallel Port DMA Channel
This option is only available if the setting for the Parallel Port
Mode option is ECP.
The settings are Disabled, DMA, CH (channel) 0, DMA CH 1, or
DMA CH3.
Parallel Port IRQ
IRQ7 is used for the Parallel Port(LPT 1). The IRQ can be changed
to IRQ5.
Onboard IDE
This option specifies the onboard IDE controller channels that will
be used. The settings are Primary, Both, or Disabled.