Intel 925 Data Sheet - Page 135
DCAP-Device Capabilities D1:F0
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Host-PCI Express* Graphics Bridge Registers (D1:F0) 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). Intel® 82925X/82925XE MCH Datasheet 135
Host-PCI Express* Graphics Bridge Registers (D1:F0)
R
Intel
®
82925X/82925XE MCH Datasheet
135
8.1.33
DCAP—Device Capabilities (D1:F0)
PCI Device:
1
Address Offset:
A4h
Default Value:
00000000h
Access:
RO
Size:
32 bits
This register indicates PCI Express link capabilities.
Bit
Access &
Default
Description
31:6
Reserved
5
RO
0b
Extended Tag Field Supported:
Hardwired to indicate support for 5-bit Tags as a
Requestor.
4:3
RO
00b
Phantom Functions Supported:
Hardwired to 0.
2:0
RO
000b
Max Payload Size:
Hardwired to indicate 128B maximum supported payload for
Transaction Layer Packets (TLP).