https://www.ebay.com.au/sch/m.html?_ssn=techparts2020&_nkw=%22PCI-GPIB%2B%22
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
