TYAN S1846 - Page 46

http://www.tyan.com
46
Chapter 4
BIOS Configuration
Fail-Safe Default Optimal Default
DMA-1 Type Normal ISA Normal ISA
DMA-2 Type Normal ISA Normal ISA
DMA-3 Type Normal ISA Normal ISA
DMA-4 Type Normal ISA Normal ISA
DMA-5 Type Normal ISA Normal ISA
DMA-6 Type Normal ISA Normal ISA
DMA-7 Type Normal ISA Normal ISA
CPU Bus Frequency Auto Auto
** Setting is not selectable
USB Function
Set this option to Enabled to enable USB (Universal Serial Bus) support. The
settings are Enabled or Disabled.
USB KB/Mouse Legacy Support
Set this option to Enabled to enable support for older keyboards and mouse
devices if the USB Function option is set to Enabled. The settings are Enabled
or Disabled.
Port 64/60 Emulation
Setting this option to Enabled allows a USB keyboard to act like a legacy
keyboard. If this option is not Enabled, USB keyboard lights will not work
under Windows NT. With other operating systems, a USB keyboard will work
normally with this option Disabled. The settings are Enabled or Disabled.
SERR#
Set this option to Enabled to enable the SERR# signal on the bus. The settings
are Enabled or Disabled.
PERR#
Set this option to Enabled to enable the PERR# signal on the bus. The settings
are Enabled or Disabled.
WSC# Handshake
Set this option to Enabled to enable handshaking for the WSC# signal.
Handshaking is a form of encryption; see the Glossary for more information.
The settings are Enabled or Disabled.
USWC Write Post
This option sets the status of USWC posted writes to I/O. USWC is a type of