https://www.ebay.com.au/sch/m.html?_ssn=techparts2020&_nkw="PCI-GP… NI National Instruments PCI-GPIB+ Analyzer PCI IEEE488.2 Interface Card (~USD140) Ebay item # 284088568161 Copyright 1998 183619B-01 284088565868 Copyright 2001 183619C-01 284088570014 Copyright 2005 ASSY192125D-01 While a photo shows the Windows NI Analyzer software in use, the item doesn't mention it. If NI will provide the analyzer software, these could be used to capture HP-IB traffic to characterize the attached devices, timings etc. The HPDrive project mentions the analyzer cards as being supported https://www.hp9845.net/9845/projects/hpdrive/#hpdrive