Pci Configuration Space Map; Interrupts - Intel D810E2CA3 Specification

Intel Desktop Board D810E2CA3 Technical Product Specification

2.5 PCI Configuration Space Map

Table 16.

PCI Configuration Space Map

Bus Device
Number (hex) Number (hex)
00 00
00 01
00 1E
00 1F
00 1F
00 1F
00 1F
00 1F
00 1F
00 1F
01 08
01 09
01 0A
01 0B
01 0C

2.6 Interrupts

Table 17.

Interrupts

IRQ System Resource
NMI I/O channel check
0 Reserved, interval timer
1 Reserved, keyboard buffer full
2 Reserved, cascade interrupt from slave PIC
3 COM2
4 COM1
5 LAN / user available
6 Diskette drive controller
7 LPT1
8 Real time clock
9 User available
10 User available
11 User available
12 Onboard mouse port (if present, else user available)
13 Reserved, math coprocessor
14 Primary IDE (if present, else user available)
15 Secondary IDE (if present, else user available)
Note: Default, but can be changed to another IRQ
46
Function
Number (hex)
00
00
00
00
01
02
03
04
05
06
00
00
00
00
00
(Note)
(user available if COM2 is not present)
(Note)
(Note)
Description
Intel 82810E GMCH (memory controller hub)
Intel 82810E GMCH (graphics controller hub)
Hub link to PCI bridge
Intel 82801BA ICH2 (I/O controller hub) PCI to
LPC bridge
IDE
USB controller #1
SMBUS
USB controller #2
AC '97 audio controller or reserved
AC '97 modem controller or reserved
Intel 82562ET LAN controller (optional)
PCI bus connector 1 (J3D1)
PCI bus connector 2 (J3C1)
PCI bus connector 3 (J3B1)
PCI bus connector 4 (J3A2)