Datasheet

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