Operation Mode; Ecp Dma Channel; Onboard Floppy Disk Controller; Onboard Ide Primary Channel - Acer 930 Bios Manual

This item allows you to set the operation mode of the parallel port. Table 2-
1 lists the different operation modes.
Table 2-1 Parallel Port Operation Mode Settings
Setting
Standard Parallel Port (SPP)
Standard and Bidirectional
Enhanced Parallel Port (EPP)
Extended Capabilities Port
(ECP)
This item becomes active only if you select
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.

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.
When disabled, it deactivates the connected devices.

Onboard IDE Secondary Channel

This parameter lets you enable or disable the secondary IDE channel. When
enabled, it allows you access the devices connected to the primary channel.
When disabled, it deactivates the connected devices.
2-26

OPERATION MODE

Function
Allows normal speed one-way
operation
Allows normal speed operation in a
two-way mode
Allows bidirectional parallel port
operation at maximum speed
Allows parallel port to operate in
bidirectional mode and at a speed
higher than the maximum data transfer
rate

ECP DMA CHANNEL

Extended Capabilities
User's Guide