Re: Hot 1541

From: Gerrit Heitsch <>
Date: Sat, 7 Jan 2017 20:05:30 +0100
Message-ID: <>
On 01/07/2017 08:00 PM, wrote:
>> On 2017-01-07, at 19:47, Gerrit Heitsch <> wrote:
>> On 01/07/2017 07:26 PM, wrote:
>>>> On 2017-01-07, at 18:10, Francesco Messineo <> wrote:
>>>> Oh, by the way, never stack the C64 over the 154I for a few hours... I
>>>> had forgotten how hot that drive likes to live.
>>> Long ago I made a good use of an Atari ST and installed its internal switcher in place of the 1541 transformer, bypassing (actually removing) other hot suckers on the way.
>>> Once the transformer, the rectifiers and the voltage regulators are gone - you can stack whatever you want on it ;-) The drive merely gets warm. And a kid can easily hold it with one hand as a bonus ;-)
>> You can also check if the 1541 can be set to 240V input voltage. If yes, do that and it will get less hot.
> I know this trick and I did that in '86 already ;-) Didn't help /much/.

Then replace the 5V regulator (7805) with a switching regulator. That 
should make the largest difference since the 7812 is used mainly for the 
motors which don't run all the time.


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Received on 2017-01-07 20:00:02

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