Dma Channels; Pci Configuration Space Map - Intel D845PEMY Specification

2.4 DMA Channels

Table 12.

DMA Channels

DMA Channel Number
0
1
2
3
4
5
6
7

2.5 PCI Configuration Space Map

Table 13.

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 1D
00 1D
00 1D
00 1D
01 00
02 08
02 00
02 01
02 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 82845PE component
00 Host to AGP bridge (virtual P2P)
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 AGP add-in card
00 LAN controller
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
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