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diff --git a/zarb-ml/mageia-discuss/2012-August/008545.html b/zarb-ml/mageia-discuss/2012-August/008545.html new file mode 100644 index 000000000..2195847f1 --- /dev/null +++ b/zarb-ml/mageia-discuss/2012-August/008545.html @@ -0,0 +1,124 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-discuss] UEFI and Secure Boot + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20UEFI%20and%20Secure%20Boot&In-Reply-To=%3C201208230908.59923.fri%40tribun.eu%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="008541.html"> + <LINK REL="Next" HREF="008546.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-discuss] UEFI and Secure Boot</H1> + <B>Morgan Leijström</B> + <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20UEFI%20and%20Secure%20Boot&In-Reply-To=%3C201208230908.59923.fri%40tribun.eu%3E" + TITLE="[Mageia-discuss] UEFI and Secure Boot">fri at tribun.eu + </A><BR> + <I>Thu Aug 23 09:08:59 CEST 2012</I> + <P><UL> + <LI>Previous message: <A HREF="008541.html">[Mageia-discuss] UEFI and Secure Boot +</A></li> + <LI>Next message: <A HREF="008546.html">[Mageia-discuss] UEFI and Secure Boot +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#8545">[ date ]</a> + <a href="thread.html#8545">[ thread ]</a> + <a href="subject.html#8545">[ subject ]</a> + <a href="author.html#8545">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>onsdagen den 22 augusti 2012 21.43.07 skrev Rene Rasmussen: +><i> On Wed, 22 Aug 2012 19:51:31 +0100, Maurice Batey wrote: +</I>><i> > On Wed, 22 Aug 2012 18:35:09 +0100, Anne Wilson wrote: +</I>><i> >> To be honest, I'm not competent to start replacing chips on +</I>><i> >> a RAM board, either. +</I>><i> >> +</I>><i> > It's a bit scary the first time, but if you follow one of the +</I>><i> > +</I>><i> > really helpful video clips out there on the 'net, it's not a big +</I>><i> > deal. +</I>><i> > +</I>><i> > The main importance (apart from using the correct chip!) is to keep +</I>><i> > your fingers from direct contact with the chip, to avoid any static +</I>><i> > charge jumping across. +</I> +To this point i do not fully agree; Metal tools give much stronger discharge +than fingers. But a reason to avoid toucing is to avoid contaminating around +pins with sweat (salt, acid), fat and other dirt. + +I have conductive plastic pliers for component handling, but they do not have +such firm grip as metal pliers. + +Then there are more expensive metalpliers with conductive plastic handles + +(conductive in this case means very very sightlyu conductive not measureabla +using standard multimeter, as it should avoid hard discharge, - just slowly +bleed away the charge) + +None of the options described is as important as avoiding charges to build up. + +In my workshop (i build electronics prototypes) i avoid clothes of synthetic +fabric, wear conductive slippers - if any, have conductive carpet, and +conductive mat on the relevant tables. But those are expensive is sold as +such. I have measured some cheaper rubber mats are good too. + +The less expensive approach is to use a wristband. +A plus is to avoid sunthetic clothing, and you could work on such pink bubble +palstic wrapping some electronics come with, it is antistatic. Avoid metal +and plastic table, prefer untreated wood. + +><i> +</I>><i> Or set up an anti-static workplace. That would be the correct thing to +</I>><i> do. +</I>><i> Static discharges are probably responsible for 90% of all electronics +</I>><i> going bad. +</I> +(not counting design errors. My favourite complaint is that designers put +eletrolytics unecerrarily close to hot components - the most common repair we +do is to replace such.) + +ESD damages are not always immediately noticeable, but often age the component +so it have less life left (simply speaking) + +><i> I never touch any of my computer or electronics parts without my ESD +</I>><i> wristband securely connected to my workspace. +</I>><i> (having worked with electronics professionally for most of my life has +</I>><i> taught me that!) +</I>><i> +</I>><i> regards, +</I>><i> Rene +</I>><i> +</I>><i> PS. I hope only one message arrives at the list. I had chosen a wrong +</I>><i> sender address in the first attempt. +</I>><i> That's what happens when you're tired. +</I> +-- +Morgan Leijström +</PRE> + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="008541.html">[Mageia-discuss] UEFI and Secure Boot +</A></li> + <LI>Next message: <A HREF="008546.html">[Mageia-discuss] UEFI and Secure Boot +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#8545">[ date ]</a> + <a href="thread.html#8545">[ thread ]</a> + <a href="subject.html#8545">[ subject ]</a> + <a href="author.html#8545">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-discuss">More information about the Mageia-discuss +mailing list</a><br> +</body></html> |