On Sat, Jan 23, 2016, Jim Brain wrote: > On 1/23/2016 7:15 PM, drlegendre . wrote: > >" I am saying don't make a permanent hardware change to a 1541 that > >does not have the switches unless you really want it to be permanent > >because there is a software method of assigning drives that is good enough > >most of the time. BUT if you must make it permanent and you don't have the > >external switches, consider adding some form of external switch so you > >don't ever have to open the case again to put it back to the default." > > > >Well then, we're having a major agreement. ;-) > > > >The device ID switch is the ultimate fix for Commodore drives, and I'm > >really not sure why CBM didn't incorporate one into the design - at least > >from the 1540 on upwards. Can't have cost much to add a discretely located > >access hole (or a knock-out) in the case, along with a 2-place DIP switch > >for controlling device ID. > But, they did. The 1541-II, 71, and the 81 have switches. > > I would disagree on your point that Commodore should have made it part of > the design... > > Let's travel back in time. > > After the PET intro, Peddle designs a drive, a beast of a device, with 2 > CPUs and it costs a fortune. Peddle is convinced a smart drive is best, and > the delay allows other manufactures to create "dumb" drive options (saw one > at World of Commodore, forgot the name).
How did these dumb drives interface with the computer at a software level? I'd think a DOS would need to be loaded somehow. -- Eric Christopherson