b. Reset Configuration Data: The default value is Disabled.
Disabled: Normal Setting.
Enabled: If you have plugged some Legacy cards in the
system and there were recorded into ESCD (Extended
System Configuration Data). You can set this field to
Enabled and to clear ESCD one time. When some Legacy
cards were removed.
c. PCI IDE IRQ Map To:
The default value is PCI-AUTO.
When you have true PCI card(s) plugged into the system, you
will not need to change anything here in the SETUP program.
However, if you do not know whether you have true PCI card
or not, please refer to your PCI card user’s manual for the
detail.
When you have Legacy card plugged into the system, a
proper setting is extremely important or it may cause the
system to hang up. The diagram below shows how the
Rotating Priority Mechanism is designed.
PCI#3
PCI#2
PCI#1
PIRQ0
PIRQ1
PIRQ2
PIRQ1
PIRQ2
PIRQ3
PCI
PIRQ2
PIRQ3
PIRQ0
INTC
Chipset
PIRQ3
PIRQ0
PIRQ1
INTD
Figure 3-7 The Combination of PCI INT# Lines
3. BIOS SOFTWARE
3-8
Integrated Peripherals
Note:
If you don’t use the Onboard IDE connector, than use
On-card (PCI or ISA card) IDE connector, you will set
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EP-PV12 User’s Manual
INTA
INTB