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Monofunctional expansions cards:
Standard AGP and PCI 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 PCI IRQ Lines is shown in the following table:
Onboard controller
USB 1,1
PCI INT
LINE
1st
2nd
1 (A)
A
-
2 (B)
-
-
3 (C)
-
-
4 (D)
-
A
5 (E)
-
-
6 (F)
-
-
7 (G)
-
-
8 (H)
-
-
Use the first PCI slots that have a single PCI IRQ Line (no IRQ sharing). If you must use another
PCI slot with IRQ sharing, check whether the expansion card properly supports IRQ sharing with the
other devices on this PCI IRQ Line. The drivers of all cards and components on this PCI IRQ Line
must also support IRQ sharing.
A26361-D1534-Z120-2-7419
3rd
4th
-
A
-
-
-
-
-
A
A
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A
-
Add-on modules / Upgrading
AC97
-
-
-
A
A
A
-
B
-
-
-
-
-
-
-
-
-
-
A
-
-
-
-
-
-
-
-
-
-
-
-
-
PCI slot (on
E383)
1
2
-
-
-
-
D
C
C
D
-
-
B
A
A
B
-
-
English - 17
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