On 25 Aug., 21:47, SoothSayer <SaySo...@TheMonastery.org> wrote:> On Sat, 25 Aug 2012 15:13:40 -0400, John Ferrell <W8...@arrl.net> wrote: > >On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin > ><jjlar...@highNOTlandTHIStechnologyPART.com> wrote: > > >>The mounting holes on PC motherboards: are they usually connected to > >>the PCB ground plane? > >Usually, but not always! > >John Ferrell W8CCW > > =A0 Of course they ALL are, idiot. =A0It is called a standard, and you ai=n't> bright enough to know that the makers had to follow one? > >can't just say that without showing where in the spec it say that mounting holes have to be ground -Lasse
pc motherboard grounds
Started by ●August 25, 2012
Reply by ●August 25, 20122012-08-25
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 16:08:25 -0700 (PDT), "langwadt@fonz.dk" <langwadt@fonz.dk> wrote:>On 25 Aug., 21:47, SoothSayer <SaySo...@TheMonastery.org> wrote: >> On Sat, 25 Aug 2012 15:13:40 -0400, John Ferrell <W8...@arrl.net> wrote: >> >On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin >> ><jjlar...@highNOTlandTHIStechnologyPART.com> wrote: >> >> >>The mounting holes on PC motherboards: are they usually connected to >> >>the PCB ground plane? >> >Usually, but not always! >> >John Ferrell W8CCW >> >> � Of course they ALL are, idiot. �It is called a standard, and you ain't >> bright enough to know that the makers had to follow one? >> >> > >can't just say that without showing where in the spec it say that >mounting >holes have to be ground > >-LasseJust did, fuckhead.
Reply by ●August 25, 20122012-08-25
On 26 Aug., 01:16, SoothSayer <SaySo...@TheMonastery.org> wrote:> On Sat, 25 Aug 2012 16:08:25 -0700 (PDT), "langw...@fonz.dk" > > > > > > > > > > <langw...@fonz.dk> wrote: > >On 25 Aug., 21:47, SoothSayer <SaySo...@TheMonastery.org> wrote: > >> On Sat, 25 Aug 2012 15:13:40 -0400, John Ferrell <W8...@arrl.net> wrot=e:> >> >On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin > >> ><jjlar...@highNOTlandTHIStechnologyPART.com> wrote: > > >> >>The mounting holes on PC motherboards: are they usually connected to > >> >>the PCB ground plane? > >> >Usually, but not always! > >> >John Ferrell W8CCW > > >> Of course they ALL are, idiot. It is called a standard, and you ain't > >> bright enough to know that the makers had to follow one? > > >can't just say that without showing where in the spec it say that > >mounting > >holes have to be ground > > >-Lasse > > =A0 Just did, fuckhead.where?
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 16:25:20 -0700 (PDT), "langwadt@fonz.dk" <langwadt@fonz.dk> wrote:>On 26 Aug., 01:16, SoothSayer <SaySo...@TheMonastery.org> wrote: >> On Sat, 25 Aug 2012 16:08:25 -0700 (PDT), "langw...@fonz.dk" >> >> >> >> >> >> >> >> >> >> <langw...@fonz.dk> wrote: >> >On 25 Aug., 21:47, SoothSayer <SaySo...@TheMonastery.org> wrote: >> >> On Sat, 25 Aug 2012 15:13:40 -0400, John Ferrell <W8...@arrl.net> wrote: >> >> >On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin >> >> ><jjlar...@highNOTlandTHIStechnologyPART.com> wrote: >> >> >> >>The mounting holes on PC motherboards: are they usually connected to >> >> >>the PCB ground plane? >> >> >Usually, but not always! >> >> >John Ferrell W8CCW >> >> >> Of course they ALL are, idiot. It is called a standard, and you ain't >> >> bright enough to know that the makers had to follow one? >> >> >can't just say that without showing where in the spec it say that >> >mounting >> >holes have to be ground >> >> >-Lasse >> >> � Just did, fuckhead. > >where?No, you fucking retard! I 'just did' what you said I can't do. Live with it, asswipe.
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 15:39:45 -0700, SoothSayer <SaySooth@TheMonastery.org> wrote:>On Sat, 25 Aug 2012 15:59:56 -0400, "krw@att.bizzzzzzzzzzzz" ><krw@att.bizzzzzzzzzzzz> wrote: > >>On Sat, 25 Aug 2012 12:42:27 -0700, SoothSayer <SaySooth@TheMonastery.org> >>wrote: >> >>>On Sat, 25 Aug 2012 10:17:25 -0700, Joerg <invalid@invalid.invalid> >>>wrote: >>> >>>> >>>>I have seen both, >>> >>> Bullshit. You could not name even a single MOBO that has isolated >>>mount holes. It world fail to comply with the spec, and no maker ever >>>took that chance. >>> >>> You are a liar. You have NOT "seen both". >> >>AlwaysWrong is *always* wrong. Some come with plastic mounting posts, >>DimBulb. > > And there will ALWAYS BE a metallic screw or stud/standoff included, >you fucking zero memory retard!Good grief, you're stupid, DimBulb. Read the question before you get your neuron twitching.
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 15:47:58 -0700, SoothSayer <SaySooth@TheMonastery.org> wrote:>On Sat, 25 Aug 2012 13:51:57 -0700, John Larkin ><jjlarkin@highNOTlandTHIStechnologyPART.com> wrote: > >>On Sat, 25 Aug 2012 12:42:27 -0700, SoothSayer >><SaySooth@TheMonastery.org> wrote: >> >>>On Sat, 25 Aug 2012 10:17:25 -0700, Joerg <invalid@invalid.invalid> >>>wrote: >>> >>>> >>>>I have seen both, >>> >>> Bullshit. You could not name even a single MOBO that has isolated >>>mount holes. It world fail to comply with the spec, and no maker ever >>>took that chance. >> >>What spec? > > The AT design sped. Covers Power supplies, cases, FCC Rule 15 >compliance, emissions standards... things like that.The AT design sped, AlwaysWrong? What's that? No, the ATX design spec does *not* cover these things. The FCC has their own ideas and even they don't care what you do with the screws.> But YOU should already be familiar with many of the standards, and >especially the one which would require tying the motherboard ground plane >to the chassis.Cite.>YOU should already know all about why and the post >should never have been made.YOU should have already read his question, AlwaysWrong.> Then, there is basic common sense to follow as well. You seem to lack >any modicum of that as well.Now, AlwaysWrong, don't get your neuron in a tizzy.
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 16:08:25 -0700 (PDT), "langwadt@fonz.dk" <langwadt@fonz.dk> wrote:>On 25 Aug., 21:47, SoothSayer <SaySo...@TheMonastery.org> wrote: >> On Sat, 25 Aug 2012 15:13:40 -0400, John Ferrell <W8...@arrl.net> wrote: >> >On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin >> ><jjlar...@highNOTlandTHIStechnologyPART.com> wrote: >> >> >>The mounting holes on PC motherboards: are they usually connected to >> >>the PCB ground plane? >> >Usually, but not always! >> >John Ferrell W8CCW >> >> � Of course they ALL are, idiot. �It is called a standard, and you ain't >> bright enough to know that the makers had to follow one? >> >> > >can't just say that without showing where in the spec it say that >mounting >holes have to be groundIt doesn't, but AlwaysWrong is, well, *always* wrong.
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 15:09:16 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Sat, 25 Aug 2012 10:31:03 -0700, John Larkin ><jjlarkin@highNOTlandTHIStechnologyPART.com> wrote: > >>On Sat, 25 Aug 2012 10:14:48 -0700, Jim Thompson >><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >> >>>On Sat, 25 Aug 2012 10:03:49 -0700, John Larkin >>><jjlarkin@highNOTlandTHIStechnologyPART.com> wrote: >>> >>>>On Sat, 25 Aug 2012 09:40:54 -0700, Jim Thompson >>>><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >>>> >>>>>On Sat, 25 Aug 2012 09:34:54 -0700, John Larkin >>>>><jjlarkin@highNOTlandTHIStechnologyPART.com> wrote: >>>>> >>>>>> >>>>>> >>>>>>The mounting holes on PC motherboards: are they usually connected to >>>>>>the PCB ground plane? >>>>> >>>>>depends. Are you wearing them like you should ?:-) >>>>> >>>>> ...Jim Thompson >>>> >>>>You never actually say anything with content any more. You don't even >>>>discuss circuits in any intelligent way. You've become a useless old >>>>hen. >>> >>>And your WORKING circuits are WHERE ?:-) >>> >>> ...Jim Thompson >> >>A few are here: >> >>http://www.highlandtechnology.com/index.shtml >> >> >>Any your fast current source is where? You can't do it! >> >>I rather liked the mosfet-bipolar cascode with Ib correction, but you >>didn't. What did you find wrong with it? I mean, aside from the fact >>that I invented it. Are you claiming that this *won't* work? >> >>https://dl.dropbox.com/u/53724080/Circuits/Isrc_Ib_2.JPG >> >> >>But I have a couple of better, cuter circuits by now. Show us your >>approach, and then I'll post a couple more of mine. >> >>You never say anything substantive about electronics lately. You can't >>invent circuits any more. Go back to sci.electronics.basics where >>amateurs belong. > >Show some LTspice .ASC files that can be checked. Then people will >believe your claims. >That's silly. If you can't look at a circuit and understand it, and decide how well it will work, and you need a simulator to do your thinking for you, then you are an amateur. I wouldn't Spice anything this simple. Good grief, you *don't* understand my circuit! -- John Larkin Highland Technology Inc www.highlandtechnology.com jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser controllers Photonics and fiberoptic TTL data links VME analog, thermocouple, LVDT, synchro, tachometer Multichannel arbitrary waveform generators
Reply by ●August 25, 20122012-08-25
On Sat, 25 Aug 2012 15:47:58 -0700, SoothSayer <SaySooth@TheMonastery.org> wrote:>On Sat, 25 Aug 2012 13:51:57 -0700, John Larkin ><jjlarkin@highNOTlandTHIStechnologyPART.com> wrote: > >>On Sat, 25 Aug 2012 12:42:27 -0700, SoothSayer >><SaySooth@TheMonastery.org> wrote: >> >>>On Sat, 25 Aug 2012 10:17:25 -0700, Joerg <invalid@invalid.invalid> >>>wrote: >>> >>>> >>>>I have seen both, >>> >>> Bullshit. You could not name even a single MOBO that has isolated >>>mount holes. It world fail to comply with the spec, and no maker ever >>>took that chance. >> >>What spec? > > The AT design sped. Covers Power supplies, cases, FCC Rule 15 >compliance, emissions standards... things like that.Post a link. -- John Larkin Highland Technology Inc www.highlandtechnology.com jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser controllers Photonics and fiberoptic TTL data links VME analog, thermocouple, LVDT, synchro, tachometer Multichannel arbitrary waveform generators
Reply by ●August 25, 20122012-08-25
On Saturday, August 25, 2012 9:34:54 AM UTC-7, John Larkin wrote:> The mounting holes on PC motherboards: are they usually=20 > connected to the PCB ground plane?=20I haven't seen a mounting hole that was plated-through, but any copper ring= s surrounding a hole was always (?) connected to ground. OTOH other copper= foil running right next to the hole isn't always ground, and I've measured= 5V and 3.3V on some; in one case the copper on the left side of the hole w= as connected to the 5V supply and the copper on the right went the 3.3V (FI= C brand PA-2007 or VA-503+ motherboard)
