Onboard Ps/2 Mouse (Irq12); Parallel Port Operation Mode Settings - Acer Altos 9100 Series User Manual

Operation Mode
This item allows you to set the operation mode of the parallel port. Table 3-5 lists
the different operation modes.
Table 3-5

Parallel Port Operation Mode Settings

Setting
Standard Parallel Port (SPP)
Standard and Bidirectional
Enhanced Parallel Port (EPP)
Extended Capabilities Port (ECP)
ecp dma channel
This item becomes active only if you select Extended Capabilities Port (ECP) as
the operation mode. It allows you to select DMA channel 1 or DMA channel 3
depending on the available system resource.
3.6.3

Onboard PS/2 Mouse (IRQ12)

This parameter enables or disables the onboard PS/2 mouse.
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.
AcerAltos 9100 Series User's Guide
3-26
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
When set to