User Guide

BIOS Utility 4-21
OPERATION MODE
This item allows you to set the operation mode of the parallel port.
Table 4-1 lists the different operation modes.
Table 4-1 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).
Onboard Floppy Disk Controller
This parameter lets you enable or disable the onboard floppy disk
controller.