IEI Integration iQ7-US15W - Manual (Page 99)

IQ7 Design Guide
Page 87
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ECP+EPP The parallel port operates in the extended
capabilities port (ECP) mode. The ECP mode
supports bi-directional communication between the
system and the parallel port device and the
transmission rates between the two are much faster
than the Normal mode
The parallel port is also be compatible with EPP
devices described above
ƒ Parallel Port IRQ [IRQ7]
Use the Parallel Port IRQ selection to set the parallel port interrupt address.
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IRQ5 IRQ5 is assigned as the parallel port interrupt address
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IRQ7 D EFAULT IRQ7 is assigned as the parallel port interrupt address