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Peripheral Setup CBI/CGI Technical Reference
Chassis Plans8-4
• ECP allows the parallel port to be used with devices which adhere to the
Extended Capabilities Port (ECP) specification. ECP uses the DMA
protocol to achieve transfer rates of approximately 2.5MB/second. ECP
provides symmetric bidirectional communication.
EPP Version
This option specifies the Enhanced Parallel Port (EPP) specification number which is
used in the system. It is available only if the Parallel Port Mode option is set to EPP.
The Setup screen displays the system option:
EPP Version N/A
Available options are:
N/A
1.7
1.9
Parallel Port IRQ
This option specifies the interrupt request (IRQ) which is used by the parallel port.
The Setup screen displays the system option:
Parallel Port IRQ Auto
Available options are:
Auto
5
7
Parallel Port DMA Channel
This option sets the DMA channel used by the parallel port. It is only available if the
Parallel Port Mode option is set to ECP.
The Setup screen displays the system option:
Parallel Port Channel Auto
Available options are:
Auto
0
1
3