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VT1712 Datasheet(PDF) 27 Page - List of Unclassifed Manufacturers

Part # VT1712
Description  PCI Multi-Channel Audio Controller
PDF  84 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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VT1712 Datasheet(HTML) 27 Page - List of Unclassifed Manufacturers

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Revision 2.4, May 28, 2002
3 - 7
PCI Interface and Configuration Registers
VT1712 - PCI Multi-Channel Audio Controller
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Technologies, Inc.
PCI40: Legacy Audio Control
Address Offset: 40h - 41h
Default Value: 807Fh
Bit
Attribute
Description
15
R/W
0: Legacy Audio Hardware enable.
1: Legacy Audio Hardware disabled (default)
14:12
R000b
-
11:10
R/W
Reserved
9:8
R/W
Reserved
7:6
R/W
SB DMA Channel Select:
00 DMA 0
01 DMA 1 (default)
10 Reserved
11 DMA 3
5R/W
I/O Address Alias Control
1: select the 10-bit decode (default)
0: select the 16-bit decode In either case, the AD(31:16) should be zero
4R/W
Reserved
3
R/W
MPU-401 I/O enable
2
R/W
Game Port enable (200h)
1
R/W
FM I/O enable (AdLib 388h base)
0
R/W
SB I/O enable



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