On Mon, 23 Feb 2004, Vintage Computer Festival wrote:
That is the big question. The center pin seems to go
right into a diode,
but I can't tell what side of the diode that is. The outside conductor
goes to the ground plane, which would indicate that it is negative? So my
guess is that this is center positive?
Dunno if I've got the same model that you're both looking at, but the
Power Sentry USB 2.0 hub I've got on my desk here does have a 5V, .3A,
center positive wall wart.
--Ian