
Peripheral Setup, Continued
Onboard Serial Port1 Address This option specifies the base I/O port address of serial port 1. The settings are Auto (AMIBIOS automatically determines the correct base I/O port address), Disabled, 3F8h, or 3E8h. The Optimal default setting is 3F8h. The
Onboard Serial Port1 FIFO Set this option to Enabled to enable the serial port1 FIFO buffer. The settings are Enabled or Disabled. The Optimal and
Onboard Serial Port2 IRQ This option specifies the IRQ used for serial port2. The settings are IRQ3 or Disabled. The Optimal default setting is IRQ3. The
Onboard Serial Port2 Address This option specifies the base I/O port address of serial port 2. The settings are Auto (AMIBIOS automatically determines the correct base I/O port address), Disabled, 2F8h, or 2E8h. The Optimal default setting is 3F8h. The
Onboard Serial Port2 FIFO Set this option to Enabled to enable the serial port2 FIFO buffer. The settings are Enabled or Disabled. The Optimal and
Onboard Serial Port2 Mode This option specifies the serial port 2 mode. The settings are Normal or IrDA (Infrared). The Optimal and
IR Duplex Mode This option selects the infrared transmission method. The settings are Full or Half. The Optimal and
IrDA Protocol This option specifies the infrared standard used for the serial port2 infrared capability. The settings are 1.6 us or 3/16. The Optimal and
Onboard Parallel Port IRQ This option specifies the IRQ used by the parallel port. The settings are Disabled, IRQ 5, or IRQ 7. The Optimal default setting is IRQ 7. The
Cont’d
58Apollo IV PCI Pentium ISA Motherboard User’s Guide