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Groups > comp.os.ms-windows.misc > #767
| From | Paul <nospam@needed.invalid> |
|---|---|
| Newsgroups | comp.os.ms-windows.misc, alt.comp.os.windows-xp, alt.windows7.general, microsoft.public.windowsxp.general |
| Subject | Re: Windows 32-bit |
| Date | 2023-12-29 22:38 -0500 |
| Organization | A noiseless patient Spider |
| Message-ID | <umo3cd$15rus$1@dont-email.me> (permalink) |
| References | (1 earlier) <ujd4ct$3r2b8$1@dont-email.me> <s6vsoi9mdcq4gbidt41idm0e3mq4emeiep@4ax.com> <umm32k$pije$1@dont-email.me> <378cxtewPrjlFwi7@255soft.uk> <dbEjN.37670$CYpe.18836@fx40.iad> |
Cross-posted to 4 groups.
On 12/29/2023 1:26 PM, Mark Lloyd wrote: > [snip] > >> They often have a USB slot in them too, so you aren't "wasting" a USB header. > > The headers usually provide 2 ports. The card reader just needs 1 so its not too hard to extend the other one to the outside of the case. > You can sometimes purchase equipment that has a 1x5 connector. But the odds are slim, of purchasing a second device that also has a 1x5 to sit next to it on a header. You can see the header rows, aren't exactly the same. If an equipment has a plastic facade on the front, it *might* be using Shield Ground for its Shield Ground :-) https://web.archive.org/web/20070108162027im_/http://www.frontx.com/cpx108_2p3.gif If your equipment has a 2x5 on the end, then the details are taken care of for you, whatever electrical connection they want to use for grounding. Grounding to chassis, is done best if done near the faceplate. (Metal on your new toy, touches metal on the chassis.) Otherwise, an ESD discharge goes down the S-Ground wire and the field couples into the other wires in the cable assembly, and could cause an upset. This is why, if someone has the choice of working on the front of the computer, or on the back, I tell them to use the back, because the shield grounding scheme on the back is normally a better one. Some of the setups on the front of the computer, no electrical engineer helped the fools design it. Some computer case manufacturers have only "metal bashers" on staff, and they've made some pretty bad mistakes on port wiring and setup on case fronts. Antec has had a few incidents (mis-wired interfaces, strangely none of the errors made, guaranteed destruction :-) ). This is one of the reasons, if I received an Antec case years ago, I ripped the front panel wiring out, as the "first step". That's because I did not want to use a multimeter to check the wiring. I have better things to do. Paul
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