Pci device interrupt map – FANUC Robotics America V7865* User Manual

Page 50

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V7865 Product Manual

PCI Device Interrupt Map

The PCI bus-based external devices include the PMC sites, Ethernet controller and the
PCI-to-VME bridge. The default BIOS maps these external devices to the PCI
Interrupt Request (PIRQx) lines of the ICH2. This mapping is illustrated in Figure 2-1
on page 51 and is defined
in Table 2-5.

The device PCI interrupt lines (INTA through INTD) that are present on each device
cannot be modified.

Table 2-5 PCI Device Interrupt Mapping by the BIOS

Device

Component

Vendor

ID

Device

ID

CPU

Address

Map ID

Select

PCI IRQ

Arbitration

Request

Line

PCI-to-VME Bridge

Tundra Tsi148

0x10E3

0x0148

AD16

INTA

REQ0

Timer/SRAM FPGA GE Fanuc

Embedded Systems
Proprietary

0x114A

0x6504

AD21

INTE

N/A

PMC

N/A

N/A

N/A

AD16

INTA

REQ0

Ethernet Controller

Intel 82571EB

0x8086

0x105E

N/A

N/A

N/A

PCI Host Bridge

GMCH

0x8086

0x27A0

N/A

N/A

N/A

VGA Controller

GMCH

0x8086

0x27A2

N/A

N/A

N/A

Integrated Graphics

GMCH

0x8086

0x27A6

N/A

N/A

N/A

PCI-LPC Bridge

ICH7-M

0x8086

0x27B0

N/A

N/A

N/A

USB UHCI
Controller

ICH7-M

0x8086

0x27C8
0x27C9
0x27CA
0x27CB

N/A

N/A

N/A

USB EHCI

ICH7-M

0x8086

0x27CC

N/A

N/A

N/A

SMBus Controller

ICH7-M

0x8086

0x27DA

N/A

N/A

N/A

PCI-E Controller

ICH7-M

0x8086

0x27D0

N/A

N/A

N/A

PCI-E Controller

ICH7-M

0x8086

0x27E0

N/A

N/A

N/A

DMI-PCI Bridge

ICH7-M

0x8086

0x2448

N/A

N/A

N/A

PCI-E Switch

PLX 8518

0x10B5

0x8518

N/A

N/A

N/A

PCI-E to PCI-X
Bridge

PLX 8114

0x10B5

0x8114

N/A

N/A

N/A

Optional Vita 41
Ethernet

Intel 82571EB

0x8086

0x1060

N/A

N/A

N/A

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