There is an HPE advisory on PSOD that covers ML110 Gen 9; even though this advisory relates to ESX 5.5 and ESX 6.0, you might want to check if the BIOS firmware updates are up to the recommended level in the advisory.
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05317287&sp4ts.oid=7500984