Supero B1SA4-2750F - AST2400 Super IO Chip; Change Settings; Device Mode; Device Settings

Chapter 4: AMI BIOS
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tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are Enabled and Disabled.
WHEA Support
This feature Enables the Windows Hardware Error Architecture (WHEA) support for
the Windows 2008 (or a later vision) operating system. The options are Enabled
and Disabled.

Super IO Conguration
AST2400 Super IO Chip

Serial Port 0 Conguration /Serial Port 1 Conguration
This submenu allows the user the congure settings of Serial Port 1 or Serial Port 2.
Serial Port
Select Enabled to enable the a selected onboard serial port. The options are En-
abled and Disabled.
Device Settings
This item displays the status of a serial part specied by the user.
Change Settings
This feature species the base I/O port address and the Interrupt Request address
of a serial port specied by the user. Select Auto to allow the BIOS to automatically
assign the base I/O and IRQ address.
The options for Serial Port 1 are Auto, (IO=3F8h; IRQ=4), (IO=3F8h; IRQ=3, 4, 5,
6, 7, 9, 10, 11, 12), (IO=2F8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12), (IO=3E8h; IRQ=3,
4, 5, 6, 7, 9, 10, 11, 12) and (IO=2E8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12).
The options for Serial Port 2 are Auto, (IO=2F8h; IRQ=3), (IO=3F8h; IRQ=3, 4, 5,
6, 7, 9, 10, 11, 12), (IO=2F8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12), (IO=3E8h; IRQ=3,
4, 5, 6, 7, 9, 10, 11, 12) and (IO=2E8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12).
Device Mode
Use this feature to set the optimal setting for a super I/O device. The options are
24MHz/13 and 24MHz.
Serial Port 2 Attribute (Available for Serial Port 1 only)
This feature species the attribute of Serial Port 1. The options are SOL and COM.