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#1
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Dear Motherboard Gurus.... tell me if ...
Dear Motherboard Gurus.... tell me if ... .... it would do any harm to plug in a CPU of a higher FSB rating than the MOBO is designed for ? My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. I personally feel it woud do no (physical) harm except, perhaps, to 'pull down' the P4's capability and cause it to be under-utilised? Please correct me if I'm wrong thnx |
#2
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Depends on the motherboard. Some will not recognize it and will not boot up
at all. "Clive" wrote in message ... Dear Motherboard Gurus.... tell me if ... ... it would do any harm to plug in a CPU of a higher FSB rating than the MOBO is designed for ? My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. I personally feel it woud do no (physical) harm except, perhaps, to 'pull down' the P4's capability and cause it to be under-utilised? Please correct me if I'm wrong thnx |
#3
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"Clive" wrote in message ... Dear Motherboard Gurus.... tell me if ... ... it would do any harm to plug in a CPU of a higher FSB rating than the MOBO is designed for ? My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. I personally feel it woud do no (physical) harm except, perhaps, to 'pull down' the P4's capability and cause it to be under-utilised? Please correct me if I'm wrong thnx You want to watch the voltage output as well. I'm pretty sure a first gen. P4 and a northwood have different v.core requirements. Start pumping too much voltage to the core and it won't last long. |
#4
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Jim in Canada wrote:
"Clive" wrote in message ... Dear Motherboard Gurus.... tell me if ... ... it would do any harm to plug in a CPU of a higher FSB rating than the MOBO is designed for ? My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. I personally feel it woud do no (physical) harm except, perhaps, to 'pull down' the P4's capability and cause it to be under-utilised? Please correct me if I'm wrong thnx [Top posting corrected.] Depends on the motherboard. Some will not recognize it and will not boot up at all. It could depend on the cpu too. I have, for example, twice run into 333 MHz FSB Barton core Athlons that would not work in a 266 MHz motherboard. Both times, just putting in a different cpu of the exact same model/speed fixed the problem. Intel is so far behind AMD these days that it has been a while since I wasted time on P4s, but perhaps others have had similar experiences with P4s ? If you have the kind of money needed for a fast P4 you would be better off switching to AMD64 - at least until Intel manages to catch up, possibly by this time next year. |
#5
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On 4/23/2004 12:59 AM Clive brightened our day with:
Dear Motherboard Gurus.... tell me if ... ... it would do any harm to plug in a CPU of a higher FSB rating than the MOBO is designed for ? My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. I personally feel it woud do no (physical) harm except, perhaps, to 'pull down' the P4's capability and cause it to be under-utilised? Please correct me if I'm wrong thnx How about telling us exactly what your motherboard is? -- "Smiles everyone, Smiles!" - Mr. Roarke Steve [Inglo] |
#7
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On Sat, 24 Apr 2004 21:20:11 GMT, "Homie" wrote:
Bottom posting corrected (most people start reading at the top of a page, it aint 1987 anymore, welcome to the 21st century). " Intel is so far behind AMD these days " Where do people come up with such bull****? AMD just discovered thermal protection, (Intel has been doing it for years) AMD cores are made of delicate material that cracks & destroys the core with the slightest pressure imbalance. (Intel cores are hard to crack, never the less Intel CPU's will continue to function with cracks in the material) Intel will RMA a defective CPU for 3 years without problem, I have a stack of 18 AMD CPU's that are dead, AMD won't do a ****ing thing about it because I don't have the receipts... I guess AMD doesn't consider the date code as anything important.? Just try and get AMD factory support on their "Mobile CPU's" ...... I won't tell you what happens, just call AMD and say you have a Mobile /Laptop CPU and need support... Then post back here and tell us how great AMD is Homie ... Well... FWIW recently I did have reason to email AMD regarding a retail 64bit cpu on which I managed to break off the plastic locking arm. The 64bit cpu's now use a locking arm which uses a cam action to apply the pressure which makes it easier to insert the cpu/heatsink assy.... however the small plastic arm which holds the locking arm in the locked position is a little fragile... or I should say was! I notice on the replacement (in fact they sent me 2 for some reason) the plastic arm is now slightly thicker so maybe they have had a few of these break off. The point is... AMD responded quickly... I don't have any complaints. Regards John |
#8
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Homie wrote:
Bottom posting corrected (most people start reading at the top of a page, it aint 1987 anymore, welcome to the 21st century). " Intel is so far behind AMD these days " Where do people come up with such bull****? Perhaps because an AMD64 processor outperforms and uses a lot less power than a P4 or Xeon that is clocked 50% faster ? Intel has a *long* way to go to catch up with AMD64. AMD just discovered thermal protection, (Intel has been doing it for years) Actually, AMD has had good thermal protection features in their CPU's for a few years now. If you manage to buy a current motherboard that doesn't implement the thermal protection features of the cpu then you deserve what you get. Motherboard manufacturers for AMD processors have done much to improve things in the last few years - primarily in response to complaints from AMD and from users about the way that older motherboards ignored the thermal protection features of the processors. AMD cores are made of delicate material that cracks & destroys the core with the slightest pressure imbalance. If you've managed to wreck any processor like that - regardless of whether it is an AMD or an Intel processor - then it is about time someone told you not to use a sledgehammer when you insert a cpu. Both AMD and Intel make cpus that have extremely low failure rates when they are installed by someone who knows what he is doing. I've used 6 to 10 AMD processors per month in the last 3 years and about 2 or 3 per month in the ten years before then and I have never had a single failure except for one AthlonXP that was DOA and a few occassions where I did some rather extreme overclocking. During the same period I've used about half as many Intel processors - also with one DOA and no other failures. (Intel cores are hard to crack, never the less Intel CPU's will continue to function with cracks in the material) And just what the hell are you doing that is cracking them ? Intel will RMA a defective CPU for 3 years without problem, I have a stack of 18 AMD CPU's that are dead, AMD won't do a ****ing thing about it because I don't have the receipts... I guess AMD doesn't consider the date code as anything important.? I do a lot or cpu replacements for idiots who have managed to wreck their AMD or Intel processor. Both AMD and Intel have been very good to me when I return a dead processor. But then again I don't do stupid things like cracking a processor and then trying to blame it on the manufacturer. Just try and get AMD factory support on their "Mobile CPU's" ...... I won't tell you what happens, just call AMD and say you have a Mobile /Laptop CPU and need support... Then post back here and tell us how great AMD is Actually, I have done that in the past. I was having trouble with a mobile Athlon XP 2500+ - crashes in the middle of the POST while drive detection was occurring. It took one call to AMD to fix the problem (needed to revert to a slightly older BIOS version for the motherboard), although I will concede that I was on hold for about 90% of that 25 or 30 minutes call. I also got an unexpected call back a little while later from that same techie - he wanted to make sure that his suggested solution worked. |
#9
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"Clive" wrote in message ... | | Dear Motherboard Gurus.... tell me if ... | | ... it would do any harm to plug in a CPU of a higher FSB rating than | the MOBO is designed for ? | My mobo has a fsb rating of 400MHz but my P4s rating is 800Mhz. | I personally feel it woud do no (physical) harm except, perhaps, | to 'pull down' the P4's capability and cause it to be under-utilised? | Please correct me if I'm wrong | thnx You do not have to be a guru to apply some simple rules. Various models of CPU use differing voltages and multipliers. The BIOS extracts a model code from the CPU and uses this to identify the chip and set the working parameters accordingly on modern auto configure mobos: (remember the old boards where you had 8 or 10 jumpers to set voltages, frequencies and such, plus perhaps a DIP switch or two). Unless you can set these things manually, then the CPU type must be on the board's list of acceptable CPUs for a known outcome. Refer to the maker's specs in the book or on their web page. (Occasionally closely related CPU versions work, sometimes in a limited mode, sometimes the chip may be damaged - take your chances or get someone else to try it). John. |
#10
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"Rob Stow" wrote in message ... Homie wrote: Bottom posting corrected (most people start reading at the top of a page, it aint 1987 anymore, welcome to the 21st century). " Intel is so far behind AMD these days " Where do people come up with such bull****? Perhaps because an AMD64 processor outperforms and uses a lot less power than a P4 or Xeon that is clocked 50% faster ? So let me see here, you're comparing a 32/64bit processor against two 32bit processors? Why the hell didn't you compare the Athlon XP which has *much* more relavence? And since when did the clock speed have any relavence nowadays...sure, its clocked 50% slower or whatever, but do you see AMD releasing CPUs with 3GHz clock speeds? Didn't think so. |
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