Den Wed, 20 Dec 2017 14:32:40 +0100 skrev Francesco Messineo <francesco.messineo@gmail.com>: > Hi all, > is it just me or there isn't a clear way to check and adjust the > spindle speed on an internal drive of the 128D? If it can read anything you could write code that runs in the drive and every time a known pattern is read from the disk it outputs a signal on the IEC bus, and then run code in the C128 part that checks how often this signal is recieved and measures average and variation and displays that. > The drive is still quite marginal but I can't find any way to either > check or adjust the spindle speed which should be 300 rpm as always. Are you 100% sure that the electronics is good? This sounds like what could happen if there is noise in the power supply or similar. Dried out decoupling capacitors e.t.c. When you format a disk, have you tried reading that disk with another drive? If it reads back fine (albeit perhaps without the correct content; I don't know if the drive writes a correct BAM and directory directly or if that is added as a second step in the formatting process) on another drive then you know that writing is fine and you can focus on reading. Alignment should generally only be an issue when you read disks formatted in another drive. -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies. Message was sent through the cbm-hackers mailing listReceived on 2017-12-21 08:00:02
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