Host-PCI Express* Graphics Bridge Registers (D1:F0)
R
Intel
®
82925X/82925XE MCH Datasheet 155
8.1.58 LE1A—Link Entry 1 Address (D1:F0)
PCI Device: 1
Address Offset: 158h
Default Value: 0000000000000000h
Access: R/WO
Size: 64 bits
This register provides the second part of a Link Entry that declares an internal link to another
Root Complex Element.
Bit Access &
Default
Description
63:32 Reserved
31:12 R/WO
0 0000h
Link Address: This field indicates memory-mapped base address of the RCRB
that is the target element (Egress Port) for this link entry.
11:0 Reserved
8.1.59 PEGSSTS—PCI Express*-G Sequence Status (D1:F0)
PCI Device: 1
Address Offset: 218h
Default Value: 0000000000000FFFh
Access: RO
Size: 64 bits
This register provides PCI Express status reporting that is required by the PCI Express
specification.
Bit Access &
Default
Description
63:60 Reserved
59:48 RO
000h
Next Transmit Sequence Number: Value of the NXT_TRANS_SEQ counter.
This counter represents the transmit Sequence number to be applied to the next
TLP to be transmitted onto the Link for the first time.
47:44 Reserved
43:32 RO
000h
Next Packet Sequence Number: Packet sequence number to be applied to the
next TLP to be transmitted or re-transmitted onto the Link.
31:28 Reserved
27:16 RO
000h
Next Receive Sequence Number: This is the sequence number associated with
the TLP that is expected to be received next.
15:12 Reserved
11:0 RO
FFFh
Last Acknowledged Sequence Number: This is the sequence number
associated with the last acknowledged TLP.
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