Expansion ROM - 4.0 English

QDMA Subsystem for PCI Express Product Guide (PG302)

Document ID
PG302
Release Date
2022-05-20
Version
4.0 English

If selected, the Expansion ROM is activated and can be a value from 2 KB to 4 GB. According to the PCI Local Bus Specification ( PCI-SIG Specifications (https://www.pcisig.com/specifications)), the maximum size for the Expansion ROM BAR should be no larger than 16 MB. Selecting an address space larger than 16 MB can result in a non-compliant core.