
B785
35
Item
Options
Descriptions
B. PCI IDE 2nd Channel
Enable
Disable
Enable/disable 2nd channel of PCI/IDE card.
It includes I/O port (170H~177H) and IRQ 15
assignment
C. PCI IDE IRQ Map To
PCI-
AUTO
PCI-
SLOT1
PCI-
SLOT2
ISA
PCI-AUTO
The BIOS will:
−
scan for PCI IDE devices &
determine the location of the PCI
IDE device
PCI-
AUTO
PCI-
SLOT1
PCI-
SLOT2
ISA
PCI-SLOT1
PCI-SLOT2
−
assign IRQ 14 for primary IDE INT#
IRQ 15 for secondary IDE INT# for the
specified slot
ISA
−
The BIOS will not assign any IRQs even
if PCI IDE card is found!
Because some IDE cards connect the
IRQ 14 & 15 directly from ISA slot thru a
cord. (This cord is called Legacy Header)
F. Primary IDE INT#
Secondary IDE INT#
A
B
To tell which INT# does the PCI IDE card is
using for its interrupts
The other item are optimized by your computer vendor, please do not modify
them unless you know its function exactly.
Содержание B785
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