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Mainboard D2164 / Mainboard D2168
PCI bus interrupts - Selecting correct PCI slot
Extensive information on this section is contained in the manual "Basic information on mainboard".
To achieve optimum stability, performance and compatibility, avoid the multiple use of ISA
i
IRQs or PCI IRQ Lines (IRQ sharing). Should IRQ sharing be unavoidable, then all
involved devices and their drivers must support IRQ sharing.
Which ISA IRQs are assigned to the PCI IRQ Lines is normally automatically specified by the BIOS
(see "BIOS Setup" description).
Monofunctional expansions cards
PCI/PCI Express expansion cards require a maximum of one interrupt, which is called the PCI
interrupt INT A. Expansion cards that do not require an interrupt can be installed in any desired slot.
Multifunctional expansion cards or expansion cards with integrated PCI-PCI bridge
These expansion cards require up to four PCI interrupts: INT A, INT B, INT C, INT D. How many and
which of these interrupts are used is specified in the documentation provided with the card.
The assignment of the PCI interrupts to the IRQ Lines is shown in the following table:
D2164
USB 1.1
PCI
INT
st
nd
LINE
1
2
3
-
-
1 (A)
-
-
2 (B)
3 (C)
-
-
4 (D)
-
-
5 (E)
-
-
6 (F)
-
-
7 (G)
-
X
8 (H)
X
-
4 - English
All manuals and user guides at all-guides.com
Controller or slot INT
On board controller
rd
th
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
-
X
-
-
X
-
-
-
-
-
-
-
-
-
X
-
1
2
PCIe
x16
x1
-
-
A
C
-
X
B
D
X
-
-
A
-
-
-
B
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A26361-D2164-Z110-1-7419, edition 1
Mechanical slot
3
4
-
PCI
-
1
2
-
-
-
-
-
-
-
-
-
-
D
C
-
-
C
D
-
-
-
-
-
-
B
A
-
-
A
B
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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