301467-005 Datasheet, PDF (151/426 Pages) Intel Corporation – Express Chipset

Host-PCI Express* Bridge Registers (D1:F0)
(Intel® 82915G/82915P/82915PL Only)
R
8.1.33
DCAP—Device Capabilities (D1:F0)
PCI Device:
Address Offset:
Default Value:
Access:
Size:
1
A4h
00000000h
RO
32 bits
This register indicates PCI Express link capabilities.
Bit
Access &
Default
Description
31:6
Reserved
5
RO
Extended Tag Field Supported: Hardwired to indicate support for 5-bit Tags as a
0b
Requestor.
4:3
RO
Phantom Functions Supported: Hardwired to 0.
00b
2:0
RO
Max Payload Size: Hardwired to indicate 128B maximum supported payload for
000b
Transaction Layer Packets (TLP).
Datasheet
151