Intel 925 Data Sheet - Page 104
DMIVC0RSTS-DMI VC0 Resource Status, DMIVC1RCAP-DMI VC1 Resource Capability
UPC - 683728067724
View all Intel 925 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 104 highlights
DMIBAR Registers-Direct Media Interface (DMI) RCRB R 7.1.7 DMIVC0RSTS-DMI VC0 Resource Status MMIO Range: Address Offset: Default Value: Access: Size: DMIBAR 01Ah 00000002h RO 16 bits This register reports the Virtual Channel specific status. Bit Access & Default Description 15:2 Reserved 1 RO VC Negotiation Pending (NP): 1b 0 = Virtual channel is Not being negotiated with ingress ports. 1 = Virtual channel is still being negotiated with ingress ports. 0 RO Port Arbitration Tables Status (ATS): There is no port arbitration table for this 0b VC, so this bit is reserved at 0. 7.1.8 DMIVC1RCAP-DMI VC1 Resource Capability MMIO Range: Address Offset: Default Value: Access: Size: DMIBAR 01Ch 00008001h RO 32 bits Bit 31:24 23 22:16 15 14 13:8 7:0 Access & Default Description RO Port Arbitration Table Offset (AT): This field indicates the location of the port 00h arbitration table in the root complex. A value of 3h indicates the table is at offset 30h. Reserved RO Maximum Time Slots (MTS): This value is updated by platform BIOS based upon 00h the determination of the number of time slots available in the platform. RO Reject Snoop Transactions (RTS): All snoopable transactions on VC1 are 1b rejected. This VC is for isochronous transfers only. RO Advanced Packet Switching (APS): This VC is capable of all transactions, not 0b just advanced packet switching transactions. Reserved RO Port Arbitration Capability (PAC): This field indicates the port arbitration 01h capability is time-based WRR of 128 phases. 104 Intel® 82925X/82925XE MCH Datasheet