Advanced Chip Set Setup Options - American Megatrends Baby Voyager User Manual

Advanced Chip Set Setup Options

O n B o a r d S e r i a l P o r t 1 O n B o a r d S e r i a l P o r t 1
This option enables or disables serial port 1 on the Baby Voyager
motherboard. The settings are I/O ports 3F8h - 3FFh, I/O ports 3E8h -
3EFh, or Disabled.
If the configuration data stored in CMOS RAM is corrupted when the
system is powered on, the system BIOS automatically configures
onboard serial port 1 according to the presence or absence of serial
ports on any adapter cards in the system expansion slots (off board
serial ports). Autoconfiguration only occurs when CMOS RAM data is
corrupted, as follows:
If the Offboard
Serial Port is
None 3F8h
3F8h 3E8h
3E8h 3F8h
3F8h, 3E8h Disabled
P5 is serial port 1 on the Baby Voyager motherboard. If disabled
through Setup, do not attach any device to P5 or to any cable attached
to P5. J9 is used to configure the interrupt request line (IRQ) for
onboard serial port 1. If onboard serial port 1 is disabled, remove the
jumper block from J9 to disable the onboard serial port 1 interrupt.
The J9 settings are:
Jumper Pins Shorted
J9 Pins 1-2
J9 Pins 2-3
68
the Onboard Serial Port 1 is Autoconfigured as
Can be disabled or changed to 3E8h via
BIOS Advanced Chip Set Setup.
Can be disabled via BIOS Advanced Chip
Set Setup. If changed to 3F8h, an I/O
port address conflict occurs.
Can be disabled via BIOS Advanced Chip
Set Setup. If changed to 3E8h, an I/O
port address conflict occurs.
If changed to 3F8h or 3E8h, an I/O port
address conflict occurs.
Description
IRQ3 selected for onboard serial port 1.
IRQ4 selected for onboard serial port 1
(Default).
Chapter 4 - AMI BIOS Features