From: Daniele Gratteri (daniele_gratteri_at_inwind.it)
Date: 2004-01-11 11:57:40
----- Original Message ----- From: <Gianmario.Scotti@nokia.com> To: <email@example.com> Sent: Saturday, January 10, 2004 4:52 PM Subject: RE: C64 power supply replacement > right? First question that pops to mind: why didn't CBM simply make a PSU > that contains a transformer and nothing more, which would give 9V AC, and > then the rectification and regulation (to obtain 5V DC) would be done inside > the C-64 ? Just look at how the C-16/C-116 is done. (actualy, there the PSU Probably it was for heat problems: the very first VIC 20s had a 9Vac power supply and the 5Vcc were generated inside the computer, but then a big part of the motherboard was covered with an heatsink, and components may get very hot I think! Instead, the external power supply, thanks to the epoxy, should dissipate heat in a better way. ___ __ / __|___ Daniele Gratteri, Italian Commodore-Amiga user... /// | / |__/ Nickname: FIAT1100D - ICQ: 53943994 __ /// | \__|__\ Home page: http://www.gratteri.tk \\\/// \___| E-MAIL: firstname.lastname@example.org ...since 1990 \/// Message was sent through the cbm-hackers mailing list
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