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Chapter 2 WINBIOS Setup 47
Chipset Setup, Continued
PCI VGA USWC/Video Frame Buffer Set this option to Enabled to enable the USWC
memory attribute and improve video performance when a PCI video adapter
is installed. However, VGA card drivers may not behave correctly when this
option is set to Enabled. This option is only available if the PCI VGA card
supports pre-fetchable video frame buffers.
The settings are Disabled or Enabled. The Optimal and Fail-Safe defaults are
Disabled.
Watchdog Timer This motherboard has an integrated system watchdog timer. The watchdog
timer reboots the computer if the computer locks up (if there is no bus activity
for 1.2 seconds). Set this option to Enabled when running applications (such
as a security system) that require continuous monitoring. The computer then
automatically resets after it locks up and the application can continue running
with no human intervention required. The settings are Enabled or Disabled.
The Optimal and Fail-Safe default settings are Disabled.
ISA 8 Bit I/O Recovery Time This option specifies the length of the delay that is added to the
CPU cycle between consecutive 8-bit I/O operations. The length of the delay
is related to the CPU type and frequency. The settings are 1 Sysclock, 2
Sysclocks, 3 Sysclocks, 4 Sysclocks, 5 Sysclocks, 6 Sysclocks, 7 Sysclocks, 8
Sysclocks, or Disabled. The Optimal and Fail-Safe default settings are
Disabled.
Cont’d