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| uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed. |
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#1
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| is it true that you need a fast processor to get the full sped and capacity of broadband, and if you don't have a fast processor, you wont get the full speed?e.g. you wont get 1mbps. thanx |
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#2
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| In article , "Kolicha \(vinnieza & gio\)" says... is it true that you need a fast processor to get the full sped and capacity of broadband, and if you don't have a fast processor, you wont get the full speed?e.g. you wont get 1mbps. name the computer shop who told you that, I dare you. they wanted you to upgrade. |
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#3
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| On Tue, 22 Jul 2003 22:53:24 +0200, wrote: you need a fast processor to get the full sped and capacity of broadband No - the ADSL "modem" does the work of handling the conversion to/from the network, not the CPU. Unless its a USB modem, then there can be a large processor overhead on a low powered PC. Andrew. |
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#4
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| On Tue, 22 Jul 2003 19:30:16 +0100, "Kolicha \(vinnieza & gio\)" wrote: you need a fast processor to get the full sped and capacity of broadband No - the ADSL "modem" does the work of handling the conversion to/from the network, not the CPU. regards Marcus |
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#5
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| wrote in message ... On Tue, 22 Jul 2003 19:30:16 +0100, "Kolicha \(vinnieza & gio\)" wrote: you need a fast processor to get the full sped and capacity of broadband No - the ADSL "modem" does the work of handling the conversion to/from the network, not the CPU. regards Marcus If it's a USB or software based modem then the CPU is involved. |
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#6
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| On Tue, 22 Jul 2003 18:30:16 GMT, Kolicha (vinnieza & gio) wrote is it true that you need a fast processor to get the full sped and capacity of broadband, and if you don't have a fast processor, you wont get the full speed?e.g. you wont get 1mbps. Dunno about 1 MB service, but FWIW I'm on cable (NTL 600K service); was connected on a 5-year-old 233 Pentium which frazzled itself; and upgraded to an Athlon 2000. My speed on surfing/downloading pages with the new box is HUGELY faster -- way, way quicker rendering of pages. (They used to build on the page; they now more-or-less blink into view). I've looked at all sorts of reasons for this, but have the same OS; the same programmes; the same connection via the same ethernet card; and I've had to conclude that part of the explanation is that NTL was sending packets down the line faster than my 233 box could process them. (The rest is that I've gone to a bottom-of-the-range graphics card rather than an on-board graphics chip, which obviously also handles some of the rendering load.) So, in my experience, definitely yes: processor speed is one of the things that's made an extremely noticeable difference. -- Cheers, Harvey Ottawa/Toronto/Edmonton for 30 years; Southern England for the past 21 years. (for e-mail, change harvey to whhvs) |
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#7
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| On Tue, 22 Jul 2003 21:50:59 UTC, Harvey Van Sickle wrote: My speed on surfing/downloading pages with the new box is HUGELY faster -- way, way quicker rendering of pages. (They used to build on the page; they now more-or-less blink into view). That is of course CPU related; but has nothing to do with the speed of the line per se. You would see the same effect if all the pages were held locally on the hard disk. I've looked at all sorts of reasons for this, but have the same OS; the same programmes; the same connection via the same ethernet card; and I've had to conclude that part of the explanation is that NTL was sending packets down the line faster than my 233 box could process them. Not at all. Given that under heavy load an ethernet card ught to be handling about 4 mbit/sec, or even more if there isn't much other traffic on the network, a measly 1mbit/sec ought to be fine. So, in my experience, definitely yes: processor speed is one of the things that's made an extremely noticeable difference. But to browser rendering, nothing else. -- Bob Eager rde at tavi.co.uk PC Server 325*4; PS/2s 9585, 8595, 9595*2, 8580*3, P70, PC/AT.. |
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#8
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| On Tue, 22 Jul 2003 22:50:59 +0100, Harvey Van Sickle wrote: On Tue, 22 Jul 2003 18:30:16 GMT, Kolicha (vinnieza & gio) wrote is it true that you need a fast processor to get the full sped and capacity of broadband, and if you don't have a fast processor, you wont get the full speed?e.g. you wont get 1mbps. Dunno about 1 MB service, but FWIW I'm on cable (NTL 600K service); was connected on a 5-year-old 233 Pentium which frazzled itself; and upgraded to an Athlon 2000. My speed on surfing/downloading pages with the new box is HUGELY faster -- way, way quicker rendering of pages. (They used to build on the page; they now more-or-less blink into view). I've looked at all sorts of reasons for this, but have the same OS; the same programmes; the same connection via the same ethernet card; and I've had to conclude that part of the explanation is that NTL was sending packets down the line faster than my 233 box could process them. (The rest is that I've gone to a bottom-of-the-range graphics card rather than an on-board graphics chip, which obviously also handles some of the rendering load.) So, in my experience, definitely yes: processor speed is one of the things that's made an extremely noticeable difference. I bet if you had started an FTP sesssion and downloaded a large file from a high speed site you would have seen a full 1Mb. Your machine was just too slow to render web pages at a decent speed. I bet you had more memory in it after upgrading to the Athlon as well ? -- Andy Norman http://www.norman.cx/ |
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#9
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| "Dave Lucas" wrote in message ... wrote in message ... On Tue, 22 Jul 2003 19:30:16 +0100, "Kolicha \(vinnieza & gio\)" wrote: you need a fast processor to get the full sped and capacity of broadband No - the ADSL "modem" does the work of handling the conversion to/from the network, not the CPU. regards Marcus If it's a USB or software based modem then the CPU is involved. Now that's wise words. In fact, one of the most popular Conexant-based PCI ADSL model is *controller-less* which means data transfer is processed by CPU. On a P-4 required CPU load will not exceed 1% and can be ignored. On a very old crappy computer though it may take up to 10% and more... depending on how crappy it really is. e.g. P-166 would be taxed I'd say. But then even 10% CPU load is unlikely to make you download slower. I love watching DVDs with 35% CPU load, so what, downloads are still as fast. Then there is yet another idea, if you use an old OS like NT4 or 98, those had smaller default RWIN (Receive Window), and that definitely could slow things down. - Doesn't involve CPU load, but wrong MTU, MSS and RWIN can affect max download speed. Especially on a fast network with big latency. (Think downloading from States, or, worse, Australia or Japan, through a very fast link, you really need larger RWIN). As a proof, I have a computer at work, one of three remaining NT4 Workstations in our office, -- it definitely was much slower than Win2K boxes when downloading CD images from our office in States. (How about 50KB/sec instead of potential 240 on a free E1 line?) These effects are invisible when downloading from Europe as latency should be at least 150-200msec to adversely affect speed and in Europe it's within 60-80 normally. -- _______________________ Maximillian! |
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#10
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| "CB" wrote in message ... On Tue, 22 Jul 2003 19:30:16 +0100 and in article bfjvrn$4jc$1 @newsg1.svr.pol.co.uk, Kolicha (vinnieza & gio) said... is it true that you need a fast processor to get the full sped and capacity of broadband, and if you don't have a fast processor, you wont get the full speed?e.g. you wont get 1mbps. It's total and utter rubbish. -- CB that's why I couldn't make it out, because if it were true then why would people get 2mbps instead of 1mbps and 1mbps instead of 512kbps, but this could be because people/companies are using routers and the speeds being split. What's scary is I started to believe it. I thought because their is so much information coming in so quickly that the processor wont be able to handle it with other programs running. but the modem dose all that. thanx everyone for answering. |
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