Accelerated Graphics Port Interface Specification

AGP3.0 Interface Specification
Rev. 1.0
15
Table 4: Changes to AGP2.0 in Appendices A and B
Change Section Classification Core-logic Impact Graphics Card Impact
Support for Isochronous
Transactions.
4.1 Feature Addition Optional Optional
Hardware enforced
coherency inside GART
region selectable on Page
basis.
5.4 Feature Enhancement Optional Optional
Flow Control Change on
Fast Writes.
4.2.2 Feature Enhancement No Impact Required
Multiple AGP Ports support. 5.2.3 Feature Enhancement Optional No impact
Ability to support multiple-
page sizes in GART.
5.3.1 Feature Enhancement Optional No impact
Specified set of AGP3.0
configuration registers.
5.6 Feature Enhancement Low Low