10 Dec
2006
10 Dec
'06
7:36 a.m.
From: Dave McGuire <mcguire at neurotica.com>
On Dec 8, 2006, at 1:43 PM, Marvin Johnston wrote:
Hi
I find this hard to believe. If any of the lub leaked onto the
surface, it would surely cause the head to crash one spin
up. On the 225 I had, it always worked fine after a smack
on the side. Anything like steaks of lub from the bearing
would have destroyed the disk in no time.
Dwight
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I've read several replies indicating that the
drive needs to be taken
apart.
People have also advocated just "hitting" the drive to break the
stiction.
Holding the drive and giving it a quick twist around the spindle axis has
always
worked for me and avoids potential problems with disassembly or damage.
Has anyone seen stiction on the IDE or later drives? The only stiction
I've seen
has always been on the 5 1/4" MFM/RLL type drives, and probably
ESDI/SCSI/SASI
as well although my experience is limited on those drives.
Something else I've noticed is that if a drive has stiction, that
stiction will
return after the drive sets for a while again. Anyone know what actually
causes
stiction?
The story I heard "back in the day" (which was at work, from a service
bulletin of some sort, so I treat it with some credibility) is that
designers chose the spindle lubricant unwisely in some models of drives,
and it spun out onto the platters a bit and gummed up.
-Dave