AcerPower 2100 (V66LT/IDB3-C) User’s Guide
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Operation Mode
This item allows you to set the operation mode of the parallel port. Table 3-1 lists the different operation modes.
Table 3-1
Parallel Port Operation Mode Settings
Setting
Function
Standard Parallel Port (SPP)
Allows normal speed one-way operation
Standard and Bidirectional
Allows normal speed operation in a two-
way mode
Enhanced Parallel Port (EPP)
Allows bidirectional parallel port
operation at maximum speed
Extended Capabilities Port
(ECP)
Allows parallel port to operate in
bidirectional mode and at a speed higher
than the maximum data transfer rate
ECP DMA Channel
This item becomes active only if you select Extended Capabilities Port (ECP) 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).