Post #3968938
2026-07-20 18:44 UTC
Okay, so the index sensor makes a shitty tachometer.
The drive just spins up too fast. The second index pulse is always 200ms from the first.
I should have anticipated that.
Replies (1)
-
@gloriouscow@oldbytes.space 2026-07-20 18:46
why do i want to actually emulate the drive spindle so accurately, anyway? wouldn't it be fine to have some linear ramp up to full speed and call it a day? Well, because there's at least one copy protection method, COPS COPYLOCK, that modulates the spindle motor speed during write operations to create copy-protected disks. Yeah.