Date   : Thu, 12 Oct 2006 14:33:36
From   : "neil f" <faz@...>
Subject: FW: Disk drives

> -----Original Message-----
> From: Majordomo List Manager [mailto:majordomo@...] On Behalf
> Of Tim Fardell
> Sent: Thursday, October 12, 2006 2:15 PM
> To: bbc-micro@...
> Subject: Re: [BBC-Micro] Disk drives
>
> Wright, Chris wrote:
> > I had this problem! For some reason on these old 5 1/4" drives, there
> > is a small metal 'shield' covering the read/write head. I have no idea
> > what purpose this serves, but anyway quite often this shielding is
> > only held in place by a small adhesive pad. Over time the pad loses
> > adhesion and the shielding slips, just enough to prevent a diskette
> > from being inserted.
> > I took the shield off completely. It does not seem to adversely affect
> > the operation of the drive.
>
> Same here! TEAC drives, if I remember correctly.
>
> I did the same - just removed the metal shield completely.
> Considering it was held in place by an insulating pad, and had no
> connection to earth, it wasn't doing much in the way of shielding.

It's likely the metal cap is mu-metal shield. It'll be there to
keep stray mag fields in or out. Might as well replace it if you
can.

-Neil F.



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