Pci-x command, Pci-x next pointer, Register: 0xxx – Avago Technologies LSI53C1030 User Manual
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PCI Host Register Description
Version 2.2
Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
Register: 0xXX
PCI-X Capability ID
Read Only
PCI-X Capability ID
[7:0]
This register indicates the type of the current data struc-
ture. This register returns 0x07, indicating the PCI-X Data
Structure.
Register: 0xXX
PCI-X Next Pointer
Read Only
PCI-X Next Capabilities Pointer
[7:0]
This register points to the next item in the device’s capa-
bilities list. The value of this register varies according to
system configuration.
Register: 0xXX
PCI-X Command
Read/Write
Reserved
[15:7]
This field is reserved.
Maximum Outstanding Split Transactions
[6:4]
These bits indicate the maximum number of split transac-
tions the LSI53C1030 can have outstanding at one time.
The LSI53C1030 uses the most recent value of this reg-
ister each time it prepares a new sequence. Note that if
7
0
PCI-X Capability ID
0
0
0
0
0
1
1
1
7
0
PCI-X Next Pointer
X
X
X
X
X
X
X
X
15
7
6
4
3
2
1
0
PCI-X Command
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0