Current (for us 2.1) z/OS HCD still shows 3375 as a valid DASD device type. IIRC 3375 was emulated CKD on FBA 3370 HDA's. I also think 3375s were used as the storage for the embedded 43X1's used as processor controllers on 3090s.
Dana ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN