They are SCSI controllers, so they can work with SCSI hard disks.
If it wasn;t for prohibitive shipping, I'd take 'em!
Thanks for offering up some quality kit for free - that's super cool!!
If anyone is near him in the UK, these are AWESOME pieces of kit for writing out disk images for pretty much anything, including single density.
Yes, SS/SD, like 1Gen Osbornes, kaypros, etc..
Just gotta find an ISA-based motherboard (really early pentiums may have a slot, and most 486's have them, as well.)
T