IBM Aptiva Handbook page 70

Ultra DMA (Direct Memory Access)
Ultra DMA provides a faster data transfer rate between the
IDE devices and your system than the conventional DMA
mode. You can enable it by selecting the "Auto" option or
disable it by selecting "disable."
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Select this menu item to modify the video settings.
VGA shared memory
Use this setting to selcet whether 4MB or 8MB of system
memory is to be used by video.
Init Display First
Use this setting to specify which video subsystem to initialize
first.
PCI slot Specifies a video card in a PCI slot
AGP Specifies the video subsystem on the system board
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Use this setting to determine whether or not the power-on
self-test will check to see if a mouse is attached to the
mouse connector.
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Use this setting to enable or disable the diskette drive (floppy
disk drive) controller.
6-12 Chapter 6: BIOS Setup configuration
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The Power Management Setup allows you to configure your
system to use the most effective method of saving energy,
while operating in a manner consistent with your own style of
computer use.
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Use this setting to enable or disable the Automatic
Configuration and Power Interface (ACPI). ACPI allows the
operating system to control the power mangement features
of your computer.
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Power Management
Allows you to select the type (or degree) of power saving
while in the following modes:
W Doze Mode
When enabled and after the set time of system inactivity,
the CPU clock will run at slower speed while all other
devices still operate at full speed.
W Standby Mode
When enabled and after the set time of system inactivity,
the fixed disk drive and the video would be shut off while
all other devices still operate at full speed.
W Suspend Mode