Fujitsu D2785, Техническое руководство

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D2785 (TX120 S2)
Technical Manual 17
Features PCI bus
3.3 PCI bus
PCI slots
Figure 3: Detail - PCI slots
PCI, PCI Express interrupts
Each device connected to a PCI bus or PCI Express can use up to four interrupt
signals depending on the functionality.
PCI and PCI-X buses use four lines named INTA to INTD, typically connected
to all devices on the bus in order to periodically balance interrupt load. An
interrupt signal may thereby be used simultaneously by multiple devices
(interrupt sharing).
PCI Express devices send their interrupts through messages. This avoids
restrictions in wiring.
PCI slot Description
1 PCI-Express x8 bus-slot
2 PCI-Express x8 bus-slot
3 32 bit PCI bus slot (32-Bit/33MHz)
4 PCI-Express x8 bus-slot
P CI s l ot 1
P CI s l ot 2
P CI s l ot 3
P CI s l ot 4