Hi, Maurik. I have updated HPS Java so that it is using EVIO 4.4.5 now. You should be able to activate sequential access mode now in the relevant classes. —Jeremy ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1