if the disk drive is older - like 10 years or more - could be the belt drive 
needs replacing as this is the mostcommon fault with older SAM Coupe disk 
drives - you can get these from Colin Pigot (drive belts and also disk drives) 
>> http://www.samcoupe.com/hardware.htm


    Simone Voltolini <simone.voltol...@tin.it> schrieb am 14:26 Montag, 23.Mai 

 I usually clean all my drives heads before use it but the original Citizen 
drives have problems with the BELT.

Kora Sistemi Informatici
Via Cavour 1, 46030 San Giorgio di Mantova MN
Tel/Fax +39 0376 371059
P. IVA: 02048930206

-----Messaggio originale-----
Da: owner-sam-us...@nvg.ntnu.no [mailto:owner-sam-us...@nvg.ntnu.no] Per conto 
di Frode Tennebø
Inviato: lunedì 23 maggio 2016 14:05
A: sam-users@nvg.ntnu.no
Oggetto: Re: Floppy disk drive error

Benvenuto Paolo,

On 23 May 2016 at 08:53, Paolo Borzini <paolo.borz...@gmail.com> wrote:
> Hello,
> I've a problem with the floppy drive of my sam coupe.
> Typing BOOT or some other command for disk gives me this error "55 
> Missing disk, 0: 1".
> But on manual the errors list ranging from 1 to 54.

No, that's an unfortunate omission from the manual.  Drive belt has been 
mentioned, but it can also be something fishy with the power supply, e.g. not 
delivering enough voltage to the drive.  In very rare cases it can also be the 
disk presence switch which is faulty.  But before you start opening up too much 
- are you sure you are using the correct bay?  On SAM Coupé drive 1 is in the 
left bay, while on SAM Elite drive 1 is in the right bay.



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