[ale] Linux technophile emergency tool kit
Jeff Hubbs
jhubbslist at att.net
Wed May 29 09:58:47 EDT 2013
I guess that over the years I just adopted a subconsciously ESD-aware
working style. Like, if I'm about to put a card in a machine, I'm
holding the card by the backplate and I touch the case with the other
hand first so that me, the machine's ground, and the card's ground go to
the same potential. Now, that is NOT a good practicewhen you are
dealing with higher voltages with higher currents available (e.g., tube
amps), which is why wrist straps etc. have a ~1M resistor in series -
perfectly adequate for discharging static but will tend to not put a few
mA across your ticker.
On 5/29/13 9:44 AM, Michael B. Trausch wrote:
> On 05/28/2013 02:13 PM, Dennis Ruzeski wrote:
>> I keep a small toolkit (Don't forget the static wristband), an
>> external hard drive, and my preferred distro for this kind of work is
>> Backtrack. If you haven't checked it out you should.
>
> In 30 years, I've always simply followed the rules for grounding
> myself frequently during repair. I've never need to use mats or
> wristbands, and I have yet (knock on wood) to /accidentally/ destroy a
> component due to ESD. I've shorted things together and done a fair
> number of other relatively stupid things early-on in my practice. I
> remember the first 14.4 modem I got, I was so excited that I forgot to
> screw down the card... it touched the 9600 bps modem I had and when I
> turned on the computer, I had a fantastic light show. :)
>
> But ESD? I've only succeeded in using it to destroy things when I
> intended to (e.g., as part of experimentation). As long as you ground
> first, and ground frequently, it's really not possible to screw things
> up. Unless, of course, you shift/shuffle/slide your feet around, or
> are working in an extremely dry environment, but then why wouldn't you
> simply have a workbench that is itself grounded, so that you're always
> touching a grounded surface?
>
> --- Mike
>
> --
> Naunet Corporation Logo Michael B. Trausch
>
> President, *Naunet Corporation*
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