Input / Output Ports (Aptiva 2170/71/72/74 - SL-A)


Input / Output Ports

From the Setup main menu, select the Input/Output Ports option to view or change port configuration settings. The Input/Output Ports menu appears.

This menu lets you configure serial and parallel ports.

Also included in this menu are items for enabling or disabling the onboard controller chipsets.


Serial Port

The machine type 2170 comes with a 9-pin serial port. This parameter displays the current address for serial port.
The default setting Base Address is 2F8h and the default IRQ is 3.

For the machine 2171/2172/2174, they come with two 9-pin serial port.
Serial port 1 sets to Disable while serial port 2 sets the default to Enabled.
The default setting of Base Address is 2F8h and the default IRQ is 3.


Parallel Port

Your computer comes with one parallel port.
This parameter shows the default Enabled to activate the parallel port.
The default base address is 378h and the default IRQ is 7.

The default mode is ECP. The default DMA is 3.


Onboard PS/2 Mouse (IRQ-12)

This parameter enables or disables the onboard PS/2 mouse.
When set to Enabled, it allows you to use the onboard PS/2 mouse.
When set to Disabled, it deactivates the mouse and frees IRQ 12 for the use of other devices.


Onboard USB

This parameter allows you to enable or disable the Universal Serial Bus (USB) controller.
The default setting is Enabled.
USB Keyboard Mode This parameter enables or disables the use of a USB keyboard outside of Windows.
The default is Disabled.


Onboard PCI Audio Chip

This parameter enables or disables the onboard audio controller chipset.
This item does not appear in the menu if there is no physical audio chipset on the system board.
The default setting is Enabled.


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