2.4 DMA Channels
Table 17.
DMA Channels
DMA Channel Number
0
1
2
3
4
5
6
7
2.5 PCI Configuration Space Map
Table 18.
PCI Configuration Space Map
Bus
Device
Number (hex)
Number (hex)
00
00
00
02
00
1E
00
1F
00
1F
00
1F
00
1F
00
1F
00
1D
00
1D
00
1D
00
1D
01
08
01
00
01
01
01
02
Data Width
8 or 16 bits
8 or 16 bits
8 or 16 bits
8 or 16 bits
8 or 16 bits
16 bits
16 bits
16 bits
Function
Number (hex)
Description
00
Memory controller of Intel 82845GV component
00
Intel Extreme Graphics Controller
00
Hub link to PCI bridge
00
Intel 82801DB ICH4 PCI to LPC bridge
01
IDE controller
03
SMBus controller
05
AC '97 audio controller
06
AC '97 modem controller (optional)
00
USB UHCI controller 1
01
USB UHCI controller 2
02
USB UHCI controller 3
07
EHCI controller
00
LAN controller (optional)
00
PCI bus connector 1
00
PCI bus connector 2
00
PCI bus connector 3
Technical Reference
System Resource
Open
Parallel port
Diskette drive
Parallel port (for ECP or EPP)
DMA controller
Open
Open
Open
43