On 01/07/2017 08:00 PM, firstname.lastname@example.org wrote: > >> On 2017-01-07, at 19:47, Gerrit Heitsch <email@example.com> wrote: >> >> On 01/07/2017 07:26 PM, firstname.lastname@example.org wrote: >>> >>>> On 2017-01-07, at 18:10, Francesco Messineo <email@example.com> 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. Gerrit Message was sent through the cbm-hackers mailing listReceived on 2017-01-07 20:00:02
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