The ram fast SCSI card has had several revisions of the ROM. You can contact Sequential systems at 1-800-999-1717 for tech support and 1-800-759-4549 for voice. Dale A. Herman, Apple Barrel,BBS:Telefinder 5.1 Mac/Windows 1401 Westmoreland,Desoto,Tx.75115; 972-223-7497 applebrl@cyberhighway.net (internet)---Dale_Herman@1:124/1306.Fidonet