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Thread ID: 62521 2005-10-10 11:52:00 Pentium FSB speeds Greg (193) Press F1
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395029 2005-10-10 11:52:00 I'm about to get a new socket 478 CPU and wondered if the difference in price of a 533 FSB vs 800 is worth it?

I'm considering:

[INTEL] PENTIUM 4 3.0GHZ PRESCOTT CORE
SOCKET 478, FSB 800, 1MB L2 CACHE, RETAIL BOX @ $324

[INTEL] PENTIUM 4 2.8GHZ PRESCOTT CORE
SOCKET 478, FSB 533, 1MB L2 CACHE, RETAIL BOX @ $293

Would I experience a noticeable difference in performance?

Thanks.
Greg (193)
395030 2005-10-10 12:02:00 so yanking the cpu out without unlatching it done some damage? Metla (12)
395031 2005-10-10 12:36:00 so yanking the cpu out without unlatching it done some damage?No comment Greg (193)
395032 2005-10-10 19:17:00 No comment
so yanking the cpu out without unlatching it done some damage? What??

As far as the CPUs are concerned, although I have a 478 (2.6) I wouldn't recommend the Prescott, and would suggest you upgrade your mobo and CPU
Myth (110)
395033 2005-10-11 05:22:00 Does your motherboard support a FSB of 800 MHz? What motherboard you are putting this into? Jen (38)
395034 2005-10-11 05:30:00 True, unless the mobo supports 800 MHZ, there's no point putting the Prescott in it .

It wont work, if the mobo only supports upto 533 FSB .

If u want HT, then if u get a 533 CPU, u need a 3 . 0 GHZ + CPU .

If u get a 800 mhz FSB CPU, (and the mobo supports 800 FSB), a 2 . 4+ will give u HT .

And if u get a Prescott and use XP, you may need the patch (for some Prescott CPU's, depending on whether its one of the affected CPU's) .
Speedy Gonzales (78)
395035 2005-10-11 06:46:00 Does your motherboard support a FSB of 800 MHz? What motherboard you are putting this into?Yep it supports 800 (Asus P4P800S-X) Greg (193)
395036 2005-10-11 07:11:00 No comment

Makes two of us on this one.

If I had yanked a CPU out of the motherboard without unlatching then I would expect to replace both motherboard and CPU.

There again I don't use Intel CPUs.

Still sitting here with my AMD 3200+ cpu but I did have to replace the motherboard as I got little brown lumps on a couple of capacitators.

Funnily enough I was able to replace the motherboard without reinstalling WinXPPro SP2. This surprised me somwhat as I had taken the trouble to backup all docs etc in case I needed to put these back.

I changed the motherboard but it still worked.
Elephant (599)
395037 2005-10-11 08:03:00 To be honest I doubt I had any other way of getting the thing out even if I'd remembered about the motherboard latch. The heatsink was stuck so firmly to the cpu that I had to pry it off with a lever.

And yeah Elephant, I don't think it did the mobo any good, but I was sure it was damaged anyway, so the one mentioned above is the replacement.

[edit] incidently, I reckon all my recent woes came about as a result of a power outtage, which knocked out my measly spike-catcher, and evidently buggered my ram, motherboard, power supply and cpu. :yuck:
Greg (193)
395038 2005-10-11 08:35:00 Sometimes twisting the heatsink can break the bond holding it to the cpu, and it cant hurt to run it first before going in for the kill.

Its a back art though, seeing as you can't see into the future (trust me on this, I tried and just got a headache) you just don't expect the heatsink to drag the cpu out of a locked socket....
Metla (12)
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