When some idiot tells you to buy a 500+ W power supply...
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From: John Doe on 13 Mar 2010 19:57 Amazing how many ignorant fuckturds there are who know nothing about electronics but are bold enough to pretend that they know much about computer systems. TVeblen <Killtherobots hal.net> wrote: > Path: news.astraweb.com!border5.newsrouter.astraweb.com!nntp.club.cc.cmu.edu!weretis.net!feeder2.news.weretis.net!feeder.eternal-september.org!eternal-september.org!.POSTED!not-for-mail > From: TVeblen <Killtherobots hal.net> > Newsgroups: alt.comp.hardware.pc-homebuilt > Subject: Re: When some idiot tells you to buy a 500+ W power supply... > Date: Sat, 13 Mar 2010 17:41:01 -0500 > Organization: A noiseless patient Spider > Lines: 1 > Message-ID: <hnh49r$mkn$1 news.eternal-september.org> > References: <4b982cb5$0$24367$c3e8da3 news.astraweb.com> > Mime-Version: 1.0 > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > Content-Transfer-Encoding: 7bit > Injection-Date: Sat, 13 Mar 2010 22:40:59 +0000 (UTC) > Injection-Info: news.motzarella.org; posting-host="Fq4RH0PmetMbMbuTt63jrA"; logging-data="23191"; mail-complaints-to="abuse eternal-september.org"; posting-account="U2FsdGVkX19FTiCKpuZBKTd+ZGGjli0uYSY8jUmIK7Y=" > User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 > In-Reply-To: <4b982cb5$0$24367$c3e8da3 news.astraweb.com> > Cancel-Lock: sha1:Mi1Uht0KiV610krcFpNoHEhnw8s= > > Bridge Troll > >
From: metspitzer on 15 Mar 2010 19:28 On Mar 13, 7:55 pm, John Doe <j...(a)usenetlove.invalid> wrote: > metspitzer<kilowatt charter.net> wrote: > > Steve Stone <n2... hotmail.com> wrote: > >> John Doe wrote: > >> > he has ever actually measured the wattage a typical PC uses. > >> > Since he can buy a wattage meter "Kill-A-Watt" for $20 US, > >> > there is no excuse for any such "technician" to remain > >> > ignorant. If you buy a junk power supply, you might need 500 > >> > W, but you are still going to get a junk power supply that > >> > outputs garbage and could trash your system. > > >> Does a power supply that is rated at 500 watts equate to 500 > >> watts input or 500 watts output? > > > It is both. Power input = Power output > > Says a liberal who plays the lottery to win? > Apparently you learned math and electronics from a politician... What is the right answer then? > >> Does a power supply that is rated at 500 watts equate to 500 > >> watts input or 500 watts output?
From: John Doe on 15 Mar 2010 20:15 metspitzer <kilowatt(a)charter.net> wrote: >> metspitzer<kilowatt charter.net> wrote: >> > Steve Stone <n2... hotmail.com> wrote: >> >> John Doe wrote: >> >> > he has ever actually measured the wattage a typical PC >> >> > uses. Since he can buy a wattage meter "Kill-A-Watt" for >> >> > $20 US, there is no excuse for any such "technician" to >> >> > remain ignorant. If you buy a junk power supply, you might >> >> > need 500 W, but you are still going to get a junk power >> >> > supply that outputs garbage and could trash your system. >> >> >> Does a power supply that is rated at 500 watts equate to 500 >> >> watts input or 500 watts output? >> >> > It is both. Power input = Power output An electrical circuit wastes some electricity. I think the exact amount of power that a power supply wastes is reflected in its efficiency rating. If that number is 75%, the amount of power output is probably 75% of the amount of power input.
From: metspitzer on 15 Mar 2010 20:27 On Mar 15, 7:15 pm, John Doe <j...(a)usenetlove.invalid> wrote: > metspitzer<kilow...(a)charter.net> wrote: > >>metspitzer<kilowatt charter.net> wrote: > >> > Steve Stone <n2... hotmail.com> wrote: > >> >> John Doe wrote: > >> >> > he has ever actually measured the wattage a typical PC > >> >> > uses. Since he can buy a wattage meter "Kill-A-Watt" for > >> >> > $20 US, there is no excuse for any such "technician" to > >> >> > remain ignorant. If you buy a junk power supply, you might > >> >> > need 500 W, but you are still going to get a junk power > >> >> > supply that outputs garbage and could trash your system. > > >> >> Does a power supply that is rated at 500 watts equate to 500 > >> >> watts input or 500 watts output? > > >> > It is both. Power input = Power output > > An electrical circuit wastes some electricity. I think the exact > amount of power that a power supply wastes is reflected in its > efficiency rating. If that number is 75%, the amount of power > output is probably 75% of the amount of power input. I bet my estimate of PF=1 is closer than your estimate of PF=.75
From: John Doe on 15 Mar 2010 22:27 And yet another ignorant fuckturd... metspitzer <kilowatt charter.net> wrote: > Path: news.astraweb.com!border5.newsrouter.astraweb.com!news.glorb.com!news2.glorb.com!postnews.google.com!30g2000yqi.googlegroups.com!not-for-mail > From: metspitzer <kilowatt charter.net> > Newsgroups: alt.comp.hardware.pc-homebuilt > Subject: Re: When some idiot tells you to buy a 500+ W power supply... > Date: Mon, 15 Mar 2010 17:27:27 -0700 (PDT) > Organization: http://groups.google.com > Lines: 23 > Message-ID: <2b4bb58e-208a-4b97-a515-b4f7746ea680 30g2000yqi.googlegroups.com> > References: <4b982cb5$0$24367$c3e8da3 news.astraweb.com> <hn9i8m$fid$1 news.eternal-september.org> <91356cca-3b1e-4018-9b7b-a67a6f311668 x12g2000yqx.googlegroups.com> <4b9c33ed$0$24362$c3e8da3 news.astraweb.com> <23a48c9a-e5b5-4d12-8ff1-4f67fea12644 b7g2000yqd.googlegroups.com> <4b9ecd95$0$18899$c3e8da3 news.astraweb.com> > NNTP-Posting-Host: 24.181.20.142 > Mime-Version: 1.0 > Content-Type: text/plain; charset=ISO-8859-1 > Content-Transfer-Encoding: quoted-printable > X-Trace: posting.google.com 1268699247 19113 127.0.0.1 (16 Mar 2010 00:27:27 GMT) > X-Complaints-To: groups-abuse google.com > NNTP-Posting-Date: Tue, 16 Mar 2010 00:27:27 +0000 (UTC) > Complaints-To: groups-abuse google.com > Injection-Info: 30g2000yqi.googlegroups.com; posting-host=24.181.20.142; posting-account=o4ONhgoAAACZFxTdYOa4nsvzgVLhgGR2 > User-Agent: G2/1.0 > X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6,gzip(gfe),gzip(gfe) > > On Mar 15, 7:15�pm, John Doe <j... usenetlove.invalid> wrote: >> metspitzer<kilow... charter.net> wrote: >> >>metspitzer<kilowatt charter.net> wrote: >> >> > Steve Stone <n2... hotmail.com> wrote: >> >> >> John Doe wrote: >> >> >> > he has ever actually measured the wattage a typical PC >> >> >> > uses. Since he can buy a wattage meter "Kill-A-Watt" for >> >> >> > $20 US, there is no excuse for any such "technician" to >> >> >> > remain ignorant. If you buy a junk power supply, you might >> >> >> > need 500 W, but you are still going to get a junk power >> >> >> > supply that outputs garbage and could trash your system. >> >> >> >> Does a power supply that is rated at 500 watts equate to 500 >> >> >> watts input or 500 watts output? >> >> >> > It is both. Power input = Power output >> >> An electrical circuit wastes some electricity. I think the exact >> amount of power that a power supply wastes is reflected in its >> efficiency rating. If that number is 75%, the amount of power >> output is probably 75% of the amount of power input. > > I bet my estimate of PF=1 is closer than your estimate of PF=.75 > >
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