4 dma channels, 5 pci configuration space map – Premio Computer Apollo/Shadowhawk User Manual

Page 73

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Intel Desktop Board D845HV/D845WN Technical Product Specification

50

2.4 DMA Channels

Table 14.

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 15.

PCI Configuration Space Map

Bus
Number (hex)

Device
Number (hex)

Function
Number (hex)

Description

00

00

00

Memory controller of Intel 82845 component

00

01

00

PCI to AGP bridge

00

1E

00

Hub link to PCI bridge

00

1F

00

Intel 82801BA ICH2 PCI to LPC bridge

00

1F

01

IDE controller

00

1F

02

USB

00

1F

03

SMBus controller

00

1F

04

USB

00

1F

05

AC ’97 audio controller (optional)

00

1F

06

AC ’97 modem controller (optional)

01

00

00

Add-in AGP adapter card

02

08

00

LAN controller (optional)

02

09

00

PCI bus connector 1

02

0A

00

PCI bus connector 2

02

0B

00

PCI bus connector 3

02

0C

00

PCI bus connector 4

(Note)

02

0D

00

PCI bus connector 5

(Note)

02

0E

00

PCI bus connector 6

(Note)

Note:

D845WN board only.

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