Supermicro 440FX, Reference Manual

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2-12
BIOS User's Manual
Type F DMA Buffer Control 1
Type F DMA Buffer Control 2
Instead of 8 sysclock, Type F DMA only requires 3 sysclock to finish
the data transfer. These two options are device dependent. The
settings are Channel 0, Channel 1, Channel 2, Channel 3, Channel
5, Channel 6, Channel 7 or Disabled. The Optimal and Fail-Safe
default settings are Disabled.
2-1-4 Power Management
Standard Power Management
Set this option to Enabled to enable the Intel 440FX power manage-
ment features. This is the basic power conservation mode. The
settings are Enabled, Inst-On (instant-on) or Disabled. When it is
set to Enabled, the system BIOS only turns on the system hardware
power management support. In this mode, operation system con-
trols the power conservation functions, not the system BIOS. The
Optimal and Fail-Safe default settings are Disabled.
Advanced Power Management/APM
This power conservation feature is specified by Intel and Microsoft
INT 15h Advance Power Management BIOS functions. The settings
are: Disabled or Enabled. When this feature is set to Enabled, the
system power conservation features are controlled by the system
BIOS, not by the operation system. The Optimal and Fail-Safe de-
fault settings are Disabled.
Instant-On Timeout (Minutes)
This option specifies the length of a period of system inactivity while
the computer is in full power on state. When this length of time
expires, AMIBIOS takes the computer to a lower power consumption
state, but the computer can return to full power instantly when any