On Wed, Jul 29, 2009 at 10:39 PM, William Levak<email@example.com> wrote: > I pulled out my 2001 and took some measurememts. On connector J8 the center > wire is ground. Measuring from the various pins to ground. > > Pin 1 - 8V > pin 2 - 20V > pin 4 - 20V > pin 5 - 8V > > Measuring between the two wires on the transformer that go to the video > board - 16V. That all makes sense - 8V should be enough headroom for a 7805 and ISTR there's a 7812 on the monitor analog board, so 16V is plenty hot enough to get 12V from a 7812 (+15V happens to be enough). -ethan Message was sent through the cbm-hackers mailing listReceived on 2009-07-30 04:57:47
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