VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 
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PCI Function 1 Registers – IDE Controller
Configuration Space IDE Header Registers
Offset PCI Configuration Space Header
1-0 Vendor ID
3-2 Device ID
5-4 Command
7-6 Status
8
Revision ID
9
Programming Interface
A
Sub Class Code
B
Base Class Code
C
-reserved- (cache line size)
D
Latency Timer
E
Header Type
F
Built In Self Test (BIST)
13-10 Base Address – Pri Data / Command
17-14 Base Address – Pri Control / Status
1B-18 Base Address – Sec Data / Command 00000170 RO
1F-1C Base Address – Sec Control / Status
23-20 Base Address – Bus Master Control
24-2F -reserved- (unassigned)
30-33 -reserved- (expan ROM base addr)
34
Capability Pointer
35-3B -reserved- (unassigned)
3C
Interrupt Line
3D
Interrupt Pin
3E
Minimum Grant
3F
Maximum Latency
Configuration Space IDE-Specific Registers
Offset Configuration Space IDE Registers
40
IDE Chip Enable
41
IDE Configuration 1
42
IDE Configuration 2
43
IDE FIFO Configuration
44
IDE Miscellaneous Control 1
45
IDE Miscellaneous Control 2
46
IDE Miscellaneous Control 3
4B-48 IDE Drive Timing Control
4C
IDE Address Setup Time
4D
-reserved- (do not program)
4E-4F -reserved-
Revision 1.71 June 9, 2000
Configuration Space IDE-Specific Registers (continued)
Default
Acc
Offset Configuration Space IDE Registers
1106
RO
53-50 UltraDMA Extended Timing Control
RO
54
UltraDMA FIFO Control
0571
0080
RO
55-5F -reserved-
61-60 IDE Primary Sector Size
0280
RW
nn
RO
62-67 -reserved-
69-68 IDE Secondary Sector Size
85
RW
01
RO
69-6F -reserved-
RO
70
IDE Primary Status
01
00
71
IDE Primary Intrpt Control
00
72-77 -reserved-
RW
00
RO
78
IDE Secondary Status
00
RO
79
IDE Secondary Intrpt Control
000001F0 RO
7A-7F -reserved-
000003F4 RO
83-80 IDE Primary S/G Descriptor Address 0000 0000 RW
84-87 -reserved-
00000374 RO
8B-88 IDE Secondary S/G Descriptor Addr
0000CC01 RW
8C-BF -reserved-
00
C3-C0 PCI PM Block 1
00
C7-C4 PCI PM Block 2
C0
RO
C8-FF -reserved-
00
I/O Registers – IDE Controller (SFF 8038 v1.0 Compliant
0E
RW
Offset IDE I/O Registers
00
RO
0
Primary Channel Command
00
RO
1
-reserved-
00
RO
2
Primary Channel Status
3
-reserved-
4-7 Primary Channel PRD Table Addr
8
Secondary Channel Command
9
-reserved-
Default
Acc
A
Secondary Channel Status
RW
00
B
-reserved-
06
RW
C-F Secondary Channel PRD Table Addr
09
RW
0A
RW
RW
68
00
RW
RW
C0
A8A8A8A8
RW
RW
FF
00
RW
00
-31-
VT82C686B
Default
Acc
07070707 RW
RW
06
00
RW
0200
00
RW
0200
00
00
RW
00
RW
00
00
RW
00
RW
00
00
0000 0000 RW
00
0002 0001 RO
0000 0000 RW
00
Default
Acc
00
RW
00
00
WC
00
00
RW
00
RW
00
00
WC
00
00
RW
Register Overview