On 1/8/20 10:32 AM, Peter Corlett via cctalk wrote: > On Wed, Jan 08, 2020 at 10:17:29AM -0800, Chuck Guzis via cctalk wrote: >> Before I go delving into my pile of SCSI X3T10 documentation and interface >> chip datasheets, exactly *which* flavor of SCSI are we talking about here? > > Given the reference to the Amiga, almost certainly SCSI-1, i.e. 8 bit wide > single-ended HVD, clocked asynchronously at low single-digit MHz. > > The A2091 (and thus presumably the A590) was a pretty hateful controller, but > the main sources of pain were its shoddy firmware and the limited Zorro-II bus > rather than the SCSI interface. Perhaps the third-party GVP controllers > swapped > it around so the firmware was great but the SCSI side sucked.
SCSI-1 was pretty chancy to begin, but even SCSI-2 had a bit of voodoo associated with it. --Chuck
