Tyan Computer TEMPEST S5375 - Manual (Page 56)

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Yes
Allocate IRQ to PCI VGA
No
Yes: assigns IRQ to PCI VGA card
if card requests IRQ.
Disabled
Palette Snooping
Enabled
This is the default setting and
should not be changed unless the
VGA card manufacturer requires
Palette Snooping to be Enabled.
Enabled: informs the PCI devices
that an ISA graphics device is
installed in the system so the card
will function correctly.
Disabled
PCI IDE BusMaster
Enabled
Enabled: BIOS uses PCI bus
mastering for reading / writing to
IDE drives.