Sorry, Alex, that is not possible. The 541 uses a true 50 pin SCSI-1
interface card and the 535 uses the 40 pin Sony Hi-Speed Serial Interface
card ( a proprietary form of SCSI ). Unless someone comes up with an
adapter card to convert between the two, your only recourse is to run both
drives from their respective interfaces separately. Hope this news doesn't
dampen your OS/2 aspirations too greatly. Cheers, Keith.