A1200 floppy not working

mtb · 21 November 2010, 22:28

Hello everyone,

i have an Amiga 1200, and everything works except the floppy.

I have tried to change the drive with other drives (they work on other 600 or another 1200 so they are fine) but nothing has changed.

Even an external floppy drive doesn't work ( i have tried months ago, i don't remember nothing else ).

The internal drive makes "click click" but if I insert a floppy, it isn't recognized ( being a dos or a non dos-disk, there is no difference ).

What can it be?

Thanks in advance.

cpiac64 · 21 November 2010, 22:52

test with another supply, error on negative -12volt

FOL · 21 November 2010, 23:45

Quote:

Originally Posted by cpiac64

test with another supply, error on negative -12volt

Why whould the floppy ever use -12Volts.

rkauer · 22 November 2010, 04:54

Replace Paula chip.

Toni Wilen · 22 November 2010, 08:03

Drive motor would still start and you would get some seek sounds if Paula is broken. I guess it is CIA problem.

mtb · 22 November 2010, 09:05

Quote:

test with another supply, error on negative -12volt

Already changed 3 of them, nothing changes.

Quote:

Drive motor would still start and you would get some seek sounds if Paula is broken.

Only click click and nothing else.

So... Cia ( 2 chips? )

I guess i need to use the other machine, or is it possible to fix/change them? I have a spare 600 ( a bit broken, i've lost some hd pins...

) and a 500 that i think has ram problems.

Thank you.

21 November 2010, 22:28	#1
mtb Registered User Join Date: Sep 2002 Location: Italy Age: 40 Posts: 466	A1200 floppy not working Hello everyone, i have an Amiga 1200, and everything works except the floppy. I have tried to change the drive with other drives (they work on other 600 or another 1200 so they are fine) but nothing has changed. Even an external floppy drive doesn't work ( i have tried months ago, i don't remember nothing else ). The internal drive makes "click click" but if I insert a floppy, it isn't recognized ( being a dos or a non dos-disk, there is no difference ). What can it be? Thanks in advance.

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21 November 2010, 22:52	#2
cpiac64 Registered User Join Date: Apr 2010 Location: Italy Posts: 1,136	test with another supply, error on negative -12volt

22 November 2010, 04:54	#4
rkauer I hate potatos and shirts Join Date: Oct 2007 Location: Sao Leopoldo / Brazil Age: 58 Posts: 3,482	Replace Paula chip.

22 November 2010, 08:03	#5
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,507	Drive motor would still start and you would get some seek sounds if Paula is broken. I guess it is CIA problem.

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