VIA Technologies P4PA User Manual page 49

Chapter 3
mode, synchronous, bi-directional transmission/reception is allowed.
Under Half Duplex mode, only asynchronous, bi-directional transmis-
sion/reception is allowed. Settings: Full and Half.
Onboard Parallel Port
This specifies the I/O port address and IRQ of the onboard parallel port.
Settings: 378/IRQ7, 278/IRQ5, 3BC/IRQ7 and Disabled.
Parallel Port Mode
Set the parallel port mode. To operate the onboard parallel port as Standard
Parallel Port, choose "SPP." To operate the onboard parallel port in the
EPP mode, choose "EPP." By choosing "ECP", the onboard parallel port
will operate in ECP mode. Choosing "ECP + EPP" will allow the onboard
parallel port to support both the ECP and EPP modes simultaneously.
Settings are:
SPP : Standard Parallel Port
EPP : Enhanced Parallel Port
ECP : Extended Capability Port
ECP + EPP: Extended Capability Port + Enhanced Parallel Port
ECP Mode Use DMA
ECP utilises a DMA channel. This field is only available if Parallel Port
Mode is set to "ECP". Select DMA channel for ECP use. Settings: 1 and 3.
Game Port Address
Set I./O port address for onboard game port. Settings: Disabled, 201 and 209.
Midi Port Address
Set I./O port address for onboard midi port. Settings: Disabled, 330 and 300.
Midi Port IRQ
Set an IRQ for the onboard midi port. This field is only available if midi port is
not "Disabled". Settings: 5 and 10.
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