not sure if this has come up with regard to 1551 drive but i've just found this on my hard drive ? Here are the answers to Commodore Trivia Edition #6 for May, 1994. Q $050) The Commodore 1551 Disk Drive is a parallel device. How did it connect to the Commodore Plus/4 and C16? A $050) The Commodore 1551 connected via the expansion port. Therefore, it was a parallel device, and could work at much faster speeds. Q $051) How many could you attach? A $051) Two, The second drive cable attached to the back of the first cable. Q $052) What were the addresses they used? (Not device numbers) A $052) The two drives were mapped into the Address space at $fec0 and $fef0 of the Plus/4 or C-16. The 6523 Triple Interface Adaptor chip is mapped in at these locations and has 8 registers each. ----------- firstname.lastname@example.org http://members.tripod.com/~petlibrary/ http://www.icpug.org.uk http://www.fortunecity.co.uk/skyscraper/perl/316/ - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail email@example.com.
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