All controllers were tested with a pair of ST-251-1 hard drives for read, write, verify and format functions. The controller internal functions were tested with Microscope V. 14
OMTI 8240

Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two MFM ST506/ST412 drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
Sector Interleave: 1:1
Maximum heads/cyl.: 16 heads and 2048 cylinders
Manufacturers