BIOS
EP-BX5C
Page 4-17
Reset Configuration Data: This setting allows you to clear ESCD data.
The default is Disabled
Disabled: Normal Setting.
Enabled: If you have plugged in some Legacy cards to the system and they
were recorded into ESCD (Extended System Configuration Data),
you can set this field to Enabled in order to clear ESCD.
IRQ-3 to IRQ-15 assigned to: These settings allow IRQ’s to be reserved for
Legacy ISA device use exclusively or be available for use with PNP devices.
These options are only displayed if “Resources Controlled By” is set to manual.
DMA-0 to DMA-7 assigned to: These settings allow DMA’s to be reserved for
Legacy ISA device use exclusively or be available for use with PNP devices.
These options are only displayed if “Resources Controlled By” is set to manual.
Slot 1 to Slot 4 Use IRQ No.: This settings allows the user to specify what IRQ
will ne assigned to PCI devices in the chosen slot. Options available: Auto, 3, 4,
5, 7, 9, 10,11,12,14 & 15. The default are auto.
Used MEM base addr: The Used MEM base addr (CB00, CC00, D000, D400,
D800, DC00) and Used MEM Length (8K, 16K, 32K, 64K) are used to support
some specific ISA Legacy cards with requested memory space below 1M address.
Now with these two functions, users can define where the used memory address
is located and its length of the legacy area that is used by the legacy device to
avoid the memory space conflict. For example, if you select “D000” for Used
MEM base addr” and “16K” for “Used MEM Length”, that means the address
region D000H-D3FFFH is occupied by ISA legacy cards, and thus BIOS will not
assign this region for PnP/ISA and PCI cards. The default is N/A.
4-6 Load Setup Defaults
The “LOAD SETUP DEFAULTS” function loads the system default data directly
from ROM and initializes the associated hardware properly. This function will be
necessary only when the system CMOS data is corrupted.