IEI Integration ROCKY-3786 v4.0 - Manual (Page 112)

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EPP The parallel port operates in the enhanced parallel port
mode (EPP). The EPP 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 SPP mode.
ECP 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 SPP mode.
ECP+EPP The parallel port is compatible with both ECP and EPP
devices.
ECP Mode Use DMA [3]
Use the ECP Mode Use DMA option to specify the DMA channel the parallel port must
use in the ECP mode.
1 The parallel port uses DMA Channel 1 in ECP mode.
3 (Default) The parallel port uses DMA Channel 3 in ECP mode.
PWRON After PWR-Fail [Off]
Use the PWRON After PWR-Fail option to specify the power status after the power is
reapplied.
Off (Default) The power is off after the power is reapplied.
On The power is on after the power is reapplied.
Former-Sts The power remains in its former status after the power
is reapplied.