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AM79C974 Datasheet(PDF) 112 Page - Advanced Micro Devices

Part # AM79C974
Description  PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
PDF  153 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C974 Datasheet(HTML) 112 Page - Advanced Micro Devices

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Am79C974
Register Summary
APPENDIX A
Ethernet PCI Configuration Registers
Note: RO = read only, RW = read/write, U = undefined value
Offset
Name
Width in Bit
Access Mode
Default Value
00h
Vendor ID
16
RO
1022h
02h
Device ID
16
RO
2000h
04h
Command
16
RW
0uuu
06h
Status
16
RW
uu00
08h
Revision ID
8
RO
00h
09h
Programming IF
8
RO
00h
0Ah
Sub-Class
8
RO
00h
0Bh
Base-Class
8
RO
02h
0Dh
Latency Timer
8
RO
00h
0Eh
Header Type
8
RO
00h
10h
Base Address
32
RW
uuuu uuuu
3Ch
Interrupt Line
8
RW
uu
3Dh
Interrupt Pin
8
RO
02h
SCSI PCI Configuration Registers
Note: RO = read only, RW = read/write, U = undefined value
Offset
Name
Width in Bit
Access Mode
Default Value
00h
Vendor ID
16
RO
1022h
02h
Device ID
16
RO
2020h
04h
Command
16
RW
0080h
06h
Status
16
RW
uuuu
08h
Revision ID
8
RO
00h
09h
Programming IF
8
RO
00h
0Ah
Sub-Class
8
RO
00h
0Bh
Base-Class
8
RO
01h
0Dh
Latency Timer
8
RO
00h
0Eh
Header Type
8
RO
00h
10h
Base Address
32
RW
uuuu uuuu
3Ch
Interrupt Line
8
RW
uu
3Dh
Interrupt Pin
8
RO
01h
40h
Reserved for Software
32
RW
uuuu
44h
Reserved for Software
32
RW
uuuu
48h
Reserved for Software
32
RW
uuuu
4Ch
Reserved for Software
32
RW
uuuu



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