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Unstoppable77
Joined: 22 Apr 2006
Posts: 7
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 Posted: Sat Apr 22, 2006 4:10 pm Post subject: FSB |
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| Would a pentium 3 CPU that has a FSB of 133mhz work in a pentium 3 motherboard that has a 100mhz FSB? |
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JAC
Joined: 24 Jul 2005
Posts: 3469
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| Posted: Sat Apr 22, 2006 4:16 pm Post subject: |
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yep - you will need to fiddle with your motherboard settings to get the most out of them though.
Last edited by JAC on Sat Apr 22, 2006 4:18 pm; edited 1 time in total |
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Unstoppable77
Joined: 22 Apr 2006
Posts: 7
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| Posted: Sat Apr 22, 2006 4:18 pm Post subject: |
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| I would have to leave the multiplier the same and the CPU speed will be slower right? like a 733mhz would run at 550 mhz with a 100mhz FSB? |
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Marcin
Joined: 02 Jan 2005
Posts: 8519
Location: Poland
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| Posted: Sat Apr 22, 2006 5:25 pm Post subject: |
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You must be sure about that mobo support Coppermine CPUs. Than you can combine with FSB.
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sammyc
Joined: 09 Dec 2005
Posts: 1668
Location: Scottish Borders
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| Posted: Sat Apr 22, 2006 6:45 pm Post subject: |
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You would see such a huge reduction in performance. You can pick up P3 100MHz FSB chips off Ebay quite cheap now. We are talking Socket 370 and not slot 1 aren't we?
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Unstoppable77
Joined: 22 Apr 2006
Posts: 7
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| Posted: Sat Apr 22, 2006 10:03 pm Post subject: |
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| im talking about a Slot 1 |
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sammyc
Joined: 09 Dec 2005
Posts: 1668
Location: Scottish Borders
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| Posted: Sun Apr 23, 2006 3:57 am Post subject: |
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That may make it a little harder to find something suitable for you. I may have an 800MHz Slot 1 100FSB in the workshop.
What motherboard and system are you currently running and what do you proposing you upgrade to?
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JAC
Joined: 24 Jul 2005
Posts: 3469
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| Posted: Sun Apr 23, 2006 5:06 am Post subject: |
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| I forgot about the voltages.. you need to check those out. Is it the same? I cant remember. |
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Unstoppable77
Joined: 22 Apr 2006
Posts: 7
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| Posted: Sun Apr 23, 2006 4:44 pm Post subject: |
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| The motherboard is currently running a 2.8v 66mhz FSB cpu, but it supports a 100 mhz FSB, the CPU I want is a 1.65V, 133mhz FSB. Would my motherboard support a lower voltage? |
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JAC
Joined: 24 Jul 2005
Posts: 3469
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| Posted: Mon Apr 24, 2006 8:20 am Post subject: |
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| What is the make and model of your motherboard? |
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jd
Joined: 01 Jan 2006
Posts: 1562
Location: Canada
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| Posted: Mon Apr 24, 2006 9:44 am Post subject: |
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| Unstoppable77 wrote: | | The motherboard is currently running a 2.8v 66mhz FSB cpu, but it supports a 100 mhz FSB, the CPU I want is a 1.65V, 133mhz FSB. Would my motherboard support a lower voltage? |
66mhz FSB means it's set for a Celeron Slot one.
..I diffenately recommend a Pentium 
Glin  |
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Unstoppable77
Joined: 22 Apr 2006
Posts: 7
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| Posted: Mon Apr 24, 2006 11:30 am Post subject: |
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| Yes im getting a pentium 3 733mhz 133mhz FSB and im wondering if it would work with a P3 100mhz FSB motherboard |
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jd
Joined: 01 Jan 2006
Posts: 1562
Location: Canada
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| Posted: Mon Apr 24, 2006 1:05 pm Post subject: |
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| Unstoppable77 wrote: | | Yes im getting a pentium 3 733mhz 133mhz FSB and im wondering if it would work with a P3 100mhz FSB motherboard |
Well 2 things....
First ,you need a multiplier of 5.5x
Second a FSB of 133mhz.
This is for a Pentium3- 733mhz.
I'll give you a list or CPU's that you can pick for your 100FBS board:
It would be better to pick one of these:
CPU CLASS /CPUSPEED /CPUCLOCK /FSB(All at 100mhz)
P2 350 3.5X
P2 400 4X
P2/3 450 4.5X
P3 500 5X
P3 550 5.5X
P3 600 6X
P3 650 6.5X
P3 700 7X
P3 750 7.5X
P3/CELERON 800 8X
P3/CEL 850 8.5X
P3/CEL 900 9X
P3/CEL 950 9.5X
P3/CEL 1000 10X
P3/CEL 1100 11X
P3/CEL 1200 12X
P3/CEL 1300 13X
P3/CEL 1400 14X
AS for your P3-733mhz, not sure it would work properly.(underclocked).
Glin |
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jd
Joined: 01 Jan 2006
Posts: 1562
Location: Canada
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| Posted: Mon Apr 24, 2006 1:10 pm Post subject: |
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I also forgot to mention, you might need a "slocket" socket370 to slot one converter., for some of the chips mentioned above .
Glin |
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