randy@bcsaic.UUCP (randy groves) (01/05/86)
Granted the 3-1/2 drives would be better to have. But with 96tpi 5-1/4 drives multiplying like rabbits and diving in price, the thought naturally occurs - what problems would I encounter? Has anyone else attempted this? Anciliary questions come to mind: Does every Amiga external drive require its own controller, or are the external 3-1/2 and 5-1/4 drives using the internal controller? If so, how many drives, and of what type, can the controller support? Are the connection specs available from Commodore, so that this could be attempted?? At as little as 65-70 dollars for a 96tpi 800M drive, why hasn't anybody done it yet?? -- =========================================================================== ... only a hollygram, but one more is gone. =========================================================================== randy groves ...!uw-beaver!uw-june!bcsaic!randy
kenk@pilchuckDataio.UUCP (Ken Koster) (01/08/86)
> Granted the 3-1/2 drives would be better to have. But with 96tpi 5-1/4 > drives multiplying like rabbits and diving in price, the thought naturally > occurs - what problems would I encounter? Has anyone else attempted this? > =========================================================================== > randy groves > ...!uw-beaver!uw-june!bcsaic!randy Yes. The expansion connector on the Amiga allows you to connect up to three additional external drives. However, as has been previously mentioned on the net, Commodore has used a non standard arrangement for motor control. I have a circuit that allows two external drives (96tpi 5-1/4,3-1/2 ) to be connected and will post it to the net within the next few days. The circuit provides a common motor control as well as disk change detection if your 5-1/4 drive has a 'held ready' option. I am currently using this arrangement with two Mitsubishi 4853 drives and it seems two work very well. The circuit is quite simple and will be posted as a 'Net List' of pin connection's unless someone has a better idea. Ken Koster ---------> uw-beaver!teltone!dataio!pilchuck!kenk