Tony Firshman wrote: >On Tue, 10 Jan 2006 at 13:22:56, David Tubbs wrote: >(ref: <[EMAIL PROTECTED]>) > > > >>>And this 'Noise' problem was the reason for the popularity in the >>>USA of the "Bent" modifications to the QL's. >>> >>> >>So, I wonder, from this side of the pond, what was a "Bent" mod'. >> >> >It is the expansion that crashes, not the motherboard in these cases. >The 'Bent' mods were to the motherboard, and will not help the >daisy-chained expansion much I think. > >Tony > one of the 'mods' was the jumpering of the 5V line with 24 or 22 gauge wire. the Idea I recall was to reduce the foil trace resistance and the tie-in points were also effectively shortening the total path the 5V took to get to the farther point it anchored to ( this is off the top of the brains long term memory that is not burned out yet ) seems I recall it took a path that was over 12" to a path that was maybe only 7"-8" and because the capacity of the wire exceeded the trace it was deemed beneficial.
-- Paul Holmgren 2 57 300-C's in Indy Hoosier Corps L#6 _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
