I'm not one to use youtube, but I wanted to get a noisy hdd for my old system and found this video.
https://www.youtube.com/watch?v=DBNi8VpuIq4
what an odd sounding hdd.
yea that is odd sounding
Motherboard Reviews The Motherboard Thread
Plastic parts looking nasty and yellow try this Deyellowing Plastic
Did some looking
Does it have a combustion engine? 😁 😁 😁
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Welcome to stepper motor-based HDDs.
I like how this IBM drive sounds (not sure if it's a stepper, though).
I'm pretty sure those are normal seagate MFM sounds. I've owned at least a dozen of them.
"Will the highways on the internets become more few?" -Gee Dubya
V'Ger XT|Upgraded AT|Ultimate 386|Super VL/EISA 486|SMP VL/EISA Pentium
What do they use now instead of stepper motors?
Voice coil actuator.
My Tandy 1000 SX system's 20 MB WD HDD produced two different high-pitched beeping sounds when it was accessed. ;)
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I have a couple of the weirdest drives ever ST351A/X http://www.redhill.net.au/d/16.php
They are 40MB (yes MB), stepper motor with autopark, using a rather modern 3 zoned density.
The differences between stepper and voice coil (essentially the way a speaker cone moves).
Stepper has a series of absolute detent positions, tracking is fixed.
Voice coil is a variable drive, tracking is dynamic, following the factory low level format.
Stepper, for much of its history, did not have autopark.
For voice coil, autopark is standard, AFAIK either by return spring, or by direct drive using spindown back emf to power the actuator.
Voice coil is faster, the mechanism being lighter, and also quieter due to the lack of the "zip" of the pulsed stepping - but can still chatter if performing rapid seeks
