On Sunday 23 September 2018 14:30:51 Celejar wrote: > On Sun, 23 Sep 2018 20:48:49 +0500 > > "Alexander V. Makartsev" <avbe...@gmail.com> wrote: > > On 23.09.2018 18:00, Celejar wrote: > > > One of the reasons I buy Thinkpad T (or W) series machines is to > > > not have to worry about such things, but I understand that there > > > are no guarantees ;) > > > > Some people strongly believe there are conspiracy among hardware > > manufacturers, such as planned failure. I'm one of them tinfoil > > hats, because I've seen too many "too convenient" failures to > > believe they were random. > > We now live in the age of Pb-less solder and BGA chips. This is a > > bad thing because Tin without Pb becomes brittle with time. Also Tin > > could grow microscopic hair-like structures that could short-circuit > > neighboring solder joints. This is why service people have to resort > > to re-flow and re-ball techniques on still working BGA chipsets, > > essentially adding Pb and resolder ICs back into same motherboard or > > replacing faulty chips if they are dead. > > I've seen flux that becomes conductive after a couple of years of > > device usage. I've seen rubber-like substance with same > > characteristics that holds components in place inside PSUs, you just > > stick 2 probes of your MMT into and it shows resistance. > > I can go on infinitely on this topic, so I better stop. > > > :) Thanks for the perspective - I know much too little about hardware > > to form an intelligent opinion. > > Celejar
I can, been chasing electrons for 70 of my 84 years, and I can categoricly state that fellow Murphy, who wrote all those laws, was a pessimist. His "whatever can go wrong, will", is an understatement. Even if it cannot go wrong, it will. -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>
