TYAN THUNDER X Manual page 64

Chapter 3
BIOS Configuration
Reserved Memory Address
This option specifies the beginning address (in hex) of the reserved memory
area. The specified ROM memory area is reserved for use by legacy ISA
adapter cards. This option does not appear if the Reserved Memory Size
option is set to Disabled. The settings are C0000, C4000, C8000, CC000, D0000,
D4000, D8000, or DC000.
PCI Device Search Order
This option changes the BIOS scan order of the PCI slot - from first to last or
last to first. The settings are First-Last or Last-First.
BIOS Devnode for Shadow RAM
This option is used for some add-on card ROMs which do not claim the
correct memory range that they occupy. The settings are Disabled or Enabled.
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