VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
Page 71
72
Page 72
73
Page 73
74
Page 74
75
Page 75
76
Page 76
77
Page 77
78
Page 78
79
Page 79
80
Page 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Page 75/128

Download datasheet (2Mb)Embed
PrevNext
7HFKQRORJLHV ,QF
Offset 13-10 - Pri Data / Command Base Address.......... RW
Specifies an 8 byte I/O address space.
31-16 Reserved
..........................................always read 0
15-3 Port Address....................................... default=01F0h
2-0
Fixed at 001b ..................................................... fixed
Offset 17-14 - Pri Control / Status Base Address............ RW
Specifies a 4 byte I/O address space of which only the third
byte is active (i.e., 3F6h for the default base address of 3F4h).
31-16 Reserved
..........................................always read 0
15-2 Port Address....................................... default=03F4h
1-0
Fixed at 01b ....................................................... fixed
Offset 1B-18 - Sec Data / Command Base Address ........ RW
Specifies an 8 byte I/O address space.
31-16 Reserved
..........................................always read 0
15-3 Port Address ...................................... default=0170h
2-0
Fixed at 001b ..................................................... fixed
Offset 1F-1C - Sec Control / Status Base Address .......... RW
Specifies a 4 byte I/O address space of which only the third
byte is active (i.e., 376h for the default base address of 374h).
..........................................always read 0
31-16 Reserved
15-2 Port Address ...................................... default=0374h
Fixed at 01b ....................................................... fixed
1-0
Offset 23-20 - Bus Master Control Regs Base Address .. RW
Specifies a 16 byte I/O address space compliant with the SFF-
8038i rev 1.0 specification.
31-16 Reserved
..........................................always read 0
15-4 Port Address ....................................... default=CC0h
3-0
Fixed at 0001b .................................................. fixed
Revision 1.71 June 9, 2000
Offset 34 - Capability Pointer (C0h) ................................ RO
Offset 3C - Interrupt Line (0Eh) ...................................... RO
Offset 3D - Interrupt Pin (00h) ......................................... RO
7-0
Interrupt Routing Mode
00h Legacy mode interrupt routing............... default
01h Native mode interrupt routing
Offset 3E - Min Gnt (00h) ................................................. RO
Offset 3F - Max Latency (00h).......................................... RO
-69-
Function 1 Registers - Enhanced IDE Controller
VT82C686B