Hypertherm D845GEBV2 - Manual (Page 55)

Technical Reference
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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) Device
Number (hex) Function
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