Parallel Port Operation Mode Settings - Acer AcerPower Flex4000 Series User Manual

Operation Mode
This item allows you to set the operation mode of the parallel port. Table B-1 lists the
different operation modes. Default is EPP.
Table B-1 Parallel Port Operation Mode Settings
Setting
Standard Parallel Port (SPP)
Bi-directional
Enhanced Parallel Port (EPP)
Extended Capabilities Port
(ECP)
ECP DMA Channel
This item becomes active only if you select
as the operation mode. It allows you to assign DMA channel 1 or DMA channel 3 for the
ECP parallel port function (as required in Windows 95).
Function
Allows normal speed one-way
operation
Allows normal speed operation in
a two-way mode
Allows bi-directional parallel port
operation at maximum speed
Allows parallel port to operate in
bi-directional mode and at a
speed higher than the maximum
data transfer rate
Extended Capabilities Port (ECP)
Index