Ronald Wiplinger wrote: > Six 32-bit v2.3 Master PCI bus slots (support 3.3v/5v PCI bus interface). > > That should be better than PCI 2.2 ("v2.3") and so fulfill the > requirements for the TDM22B, isn't it? Yes, that's fine. PCI specs are downwardly compatible, so PCI 2.3 is compatible with all Digium boards.