Hard Disk / Floppy Controllers. 16-bit ISA, ST-506/ST-412/OTHER

COGENT DATA TECHNOLOGIES, INC.   DISKMASTER DISTRIBUTED PROCESSING TECHNOLOGY   PM3011A/50, PM3011A/60 VER.1 DISTRIBUTED PROCESSING TECHNOLOGY   PM3011A/50, PM3011A/60 VER.2 DISTRIBUTED PROCESSING TECHNOLOGY   PM3011E/55, PM3011E/65, PM3011E/559, PM3011E/659 PERSTOR SYSTEMS, INC.   PS180-16F SCIENTIFIC MICRO SYSTEMS   OMTI 8120, OMTI 8127 SCIENTIFIC MICRO SYSTEMS   OMTI 8150C, 8250, 8250C, 8157, 8257 SCIENTIFIC MICRO SYSTEMS   OMTI 8600, 8610 SCIENTIFIC MICRO SYSTEMS   OMTI 8620, OMTI 8627 SEAGATE TECHNOLOGY INC.   ST21M, ST21R SEAGATE TECHNOLOGY INC.   ST22M, ST22R WESTERN DIGITAL CORPORATION   WD1003-RA2, WD1003-WA2 WESTERN DIGITAL CORPORATION   WD1003-RAH, WD1003-WAH