< >it is a WD10i, also marked Fuji Electric FK301 (also 508100625). Look < <Micro House doesn't give jumper settings for it, but it does list the f < < <4 heads, 306 cylinders, 17 sect/track, 10 MB formatted capacity. There are few jumpers and they are drive select and the like. I was more curious than anything else. It's a working drive! I pulled it from a YATUXT (Yet Another TUrbo XT). Since I have a few of these I pulled the drives, ISA boards and any loose components, the rest are junk. Allison