Intel D845GEBV2 BLKD845GERG2L-10PK User Manual
Product codes
BLKD845GERG2L-10PK
Technical Reference
55
2.4 DMA Channels
Table 21. 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 22. PCI Configuration Space Map
Bus
Number (hex)
Number (hex)
Device
Number (hex)
Number (hex)
Function
Number (hex)
Number (hex)
Description
00
00
00
Memory controller of Intel 82845GE component
00
01
00
Host to AGP bridge (virtual P2P)
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
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 00 00 AGP
add-in
card
(Note 1)
08 00 LAN
controller
(optional)
(Note 1)
00
00
PCI bus connector 1
(Note 1)
01
00
PCI bus connector 2
(Note 1)
02
00
PCI bus connector 3
(Note 1)
03
00
PCI bus connector 4
(Note 2)
(Note 1)
04
00
PCI bus connector 5
(Note 2)
(Note 1)
05
00
PCI bus connector 6
(Note 2)
Notes:
1. Bus number = 01 when the Intel Extreme Graphics controller is used. Bus number = 02 when an AGP add-
in card is used.
2. Desktop Board D845GEBV2 only