Mitsubishi Apricot FT2200, System Manual

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BIOS Utility 4-19
OPERATION MODE
This item allows you to set the operation mode of the parallel port.
Table 4-5 lists the different operation modes.
Table 4-5 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)
for the operation mode parameter. It allows you to select
DMA channel 1 or DMA channel 3 depending on the available system
resource.
4.4.3 Onboard PS/2 Mouse (IRQ12)
This parameter enables or disables the onboard PS/2 mouse. When
set to
Enabled
, it allows you to use the onboard PS/2 mouse
assigned with IRQ12. When set to Disabled , it deactivates the
mouse and frees IRQ12 for the use of other devices.