Direct Memory Access (Dma) Channels; Pci Configuration Space Map - Congatec XTX conga-XLX User Manual

7.4 Direct Memory Access (DMA) Channels

Table 40
DMA# Data Width
0 8 bits
1 8 bits
2 8 bits
3 8 bits
4 16 bits
5 16 bits
6 16 bits
7 16 bits
Notes
1. If the corresponding device is disabled in BIOS setup then the DMA channel can be
used by customers hardware.
2. Not available if Parallel Port is used in ECP mode (Enhanced Parallel Port).
3. Only the 8 bit DMA channels 0-3 can be mapped to the LPC bus.

7.5 PCI Configuration Space Map

Table 41
Bus Number Device Number
(hex) (hex)
00h 01h
00h 01h
00h 01h
00h 0Eh
00h 0Fh
00h 0Fh
00h 0Fh
00h 0Fh
00h 0Fh
00h 0F
00h 0F
00h 10h
Copyright © 2006 congatec AG
DMA Channels
Available
Yes Note 3
Yes Note 3
Note 1, 3
Note 2, 3
No
Yes
Yes
Yes
PCI Configuration Space Map
Function Number
(hex)
00h
01h
02h
00h
00h
02h
03h
04h
05h
06h
07h
00h
Description
Floppy Drive Controller
Parallel Port (LPT)
Cascade DMA Controller
PCI Interrupt
Routing
Internal
Internal
Internal
INTC
Internal
Internal
Internal
Internal
Internal
Internal
Internal
INTD
X800m12
Description
Host Bridge
VGA Graphics
Encryption
VT6421 RAID Controller
ISA Bridge
IDE Controller
Audio Multimedia Device
OHCI Host Controller 0
OHCI Host Controller 1
UDC Controller
ODC Controller
RTL8100C Ethernet Controller
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