Fujitsu D2811 Descripción breve - Página 21
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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 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 expansion 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:
On board controller
PCI INT LINE
UHCI USB 1.1
Dev 1A Fn 0
Dev 1A Fn 1
Dev 1D Fn 0
Dev 1D Fn 1
Dev 1A Fn 2
Dev 1D Fn 2
EHCI USB 2.0
Dev 1A Fn 7
Dev 1D Fn 7
SATA #1
SATA #2
SMBus
Intel LAN
HD Audio
Onboard Graphik
A26361-D2811-Z210-1-8N19, edition 1
1 (A)
2 (B)
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1th
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2nd
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3rd
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4th
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5th
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6th
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x
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3 (C)
4 (D)
5 (E)
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x
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x
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x
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x
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Brief description of mainboard
6 (F)
7 (G)
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x
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x
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x
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x
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x
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x
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x
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x
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8 (H)
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x
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English - 5