Altos 1100 Series User’s Guide
2-28
Operation Mode
This item allows you to set the operation mode of the parallel port. Table 2-1 lists
the different operation modes. The default setting is Bi-directional.
Table 2-1
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.
Onboard Floppy Disk Controller
This parameter lets you enable or disable the onboard floppy disk controller. The
default setting is Enabled.
Onboard IDE Primary Channel
This parameter lets you enable or disable the primary IDE channel. When
enabled, it allows you access the devices connected to the primary channel.
