XIO2000AI TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS], XIO2000AI Datasheet - Page 79

• Manufacturer Part Number: XIO2000AI
• Description: PCI Express to PCI Bus Translation Bridge
• Manufacturer: TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

4.43 Next Item Pointer Register
4.44 Subsystem Vendor ID Register
4.45 Subsystem ID Register
4.46 PCI Express Capability ID Register
April 2007 Revised October 2008
The contents of this read-only register indicate the next item in the linked list of capabilities for the bridge. This
register reads 90h pointing to the PCI Express capabilities registers.
This register, used for system and option card identification purposes, may be required for certain operating
systems. This read-only register is initialized through the EEPROM and can be written through the subsystem
alias register. This register is reset by a PCI Express reset (PERST), a GRST, or the internally-generated
power-on reset.
This register, used for system and option card identification purposes, may be required for certain operating
systems. This read-only register is initialized through the EEPROM and can be written through the subsystem
alias register. This register is reset by a PCI Express reset (PERST), a GRST, or the internally-generated
power-on reset.
This read-only register identifies the linked list item as the register for PCI Express capabilities. The register
returns 10h when read.
RESET STATE
RESET STATE
RESET STATE
RESET STATE
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
PCI register offset:
Register type:
Default value:
PCI register offset:
Register type:
Default value:
PCI register offset:
Register type:
Default value:
PCI register offset:
Register type:
Default value:
15
15
0
0
7
1
7
0
14
14
0
0
6
0
6
0
13
13
0
0
5
0
5
0
81h
Read-only
90h
84h
Read-only
0000h
86h
Read-only
0000h
90h
Read-only
10h
12
12
0
0
4
1
4
1
11
11
0
0
3
0
3
0
10
10
0
0
2
0
2
0
9
0
9
0
1
0
1
0
8
0
8
0
0
0
0
0
7
0
7
0
6
0
6
0
5
0
5
0
Classic PCI Configuration Space
4
0
4
0
3
0
3
0
SCPS155C
2
0
2
0
1
0
1
0
0
0
0
0
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