Intel BX80605I7870 Data Sheet - Page 38

HDR - Header Type Register, SID/SVID - Subsystem Identity/Subsystem Vendor, Identification Register

Page 38 highlights

Register Description 2.5.5 2.5.6 HDR - Header Type Register This register identifies the header layout of the configuration space. Device: Function: Offset: 0 0-1 0Eh Device: Function: Offset: 2 0-1, 4-5 0Eh Device: Function: Offset: 3 0-2, 4 0Eh Device: Function: Offset: 4-6 0-3 0Eh Bit Type Reset Value Description 7 RO 6:0 RO Multi-function Device 1 Selects whether this is a multi-function device, that may have alternative configuration layouts. This bit is hardwired to 1 for devices in the processor. Configuration Layout 0 This field identifies the format of the configuration header layout for a PCI-toPCI bridge from bytes 10h through 3Fh. For all devices the default is 00h, indicating a conventional type 00h PCI header. SID/SVID - Subsystem Identity/Subsystem Vendor Identification Register This register identifies the manufacturer of the system. This 32-bit register uniquely identifies any PCI device. Device: Function: Offset: 0 0-1 2Ch, 2Eh Device: Function: Offset: 2 0-1, 4-5 2Ch, 2Eh Device: Function: Offset: 3 0-2, 4 2Ch, 2Eh Device: Function: Offset: 4-6 0-3 2Ch, 2Eh Access as a Dword Bit 31:16 15:0 Type RWO RWO Reset Value Description Subsystem Identification Number 8086h The default value specifies Intel Vendor Identification Number 8086h The default value specifies Intel. 38 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
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98

Register Description
38
Datasheet
2.5.5
HDR - Header Type Register
This register identifies the header layout of the configuration space.
2.5.6
SID/SVID - Subsystem Identity/Subsystem Vendor
Identification Register
This register identifies the manufacturer of the system. This 32-bit register uniquely
identifies any PCI device.
Device:
0
Function:
0-1
Offset:
0Eh
Device:
2
Function:
0-1, 4-5
Offset:
0Eh
Device:
3
Function:
0-2, 4
Offset:
0Eh
Device:
4-6
Function:
0-3
Offset:
0Eh
Bit
Type
Reset
Value
Description
7
RO
1
Multi-function Device
Selects whether this is a multi-function device, that may have alternative
configuration layouts. This bit is hardwired to 1 for devices in the processor.
6:0
RO
0
Configuration Layout
This field identifies the format of the configuration header layout for a PCI-to-
PCI bridge from bytes 10h through 3Fh.
For all devices the default is 00h, indicating a conventional type 00h PCI header.
Device:
0
Function:
0-1
Offset:
2Ch, 2Eh
Device:
2
Function:
0-1, 4-5
Offset:
2Ch, 2Eh
Device:
3
Function:
0-2, 4
Offset:
2Ch, 2Eh
Device:
4-6
Function:
0-3
Offset:
2Ch, 2Eh
Access as a Dword
Bit
Type
Reset
Value
Description
31:16
RWO
8086h
Subsystem Identification Number
The default value specifies Intel
15:0
RWO
8086h
Vendor Identification Number
The default value specifies Intel.