IBM Aptiva 2187, Service Manual

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Diskette Drive A
Determines the type of Diskette Drive A.
Mouse Function
Determines the mouse function is enabled or disabled.
On Board LAN
Determines the on board Lan function to be enabled or disabled.
Serial Port Setup
Determines the I/O port address and Interrupt Request Number of
serial port.
Parallel Port Setup
Determines the I/O port address and Interrupt Request Number of
parallel port.
USB Setup
The options in this menu item are used to enable the USB(Universal
Serial Bus) functions.
IDE Drives Setup
IDE device driver controllers can support up to two separate drives.
These drives have a master/slave relationship which is determined by
the cabling configuration used to attach them to the controller.
PIO means Programmed Input/Output. Rather than have the BIOS
issue a series of commands to effect a transfer to or from the disk
drive, PIO allows the BIOS to tell the controller what it wants and then