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Default Errrm, is my CPU running right?

Hey all - another quibble. I was doing a crucial scan on my computer [outta boredom nonetheless!] and it says my Processor's speed is 1000mhz... Now that's 1ghz, yeah? But my processor is meant to be 3ghz, or is it referring to FSB? Maximum Memory Capacity: 1048576 MB Currently Installed ...


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  #1  
Old 21st May 2008, 20:04
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Posts: 48
Default Errrm, is my CPU running right?

Hey all - another quibble. I was doing a crucial scan on my computer [outta boredom nonetheless!] and it says my Processor's speed is 1000mhz... Now that's 1ghz, yeah?

But my processor is meant to be 3ghz, or is it referring to FSB?
  • Maximum Memory Capacity: 1048576 MB
  • Currently Installed Memory: 4096 MB
  • Available Memory Slots: N.A.
  • Number of Banks: 2
  • Dual Channel Support: Yes
  • CPU Manufacturer: AuthenticAMD
  • CPU Family: AMD Athlon(tm) 64 X2 Dual Core Processor 6000+ Model 3, Stepping 3
  • CPU Speed: 1000 MHz
  #2  
Old 21st May 2008, 20:30
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Posts: 3,277
Default Errrm, is my CPU running right?

That's weird, but probably a glitch (and no FSB runs at 1000mhz :p). Just right click My Computer and hit Properties - that's an accurate check of GHz.
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My System: 日夏子

Processor(s):
Core 2 Duo E6400 2.13 -> 3.01ghz
Motherboard:
MSI P6N SLI Platinum LGA 775
RAM Memory:
2GB Patriot Extreme Performance
Graphics Card(s):
PNY 8800GTS 320MB
Sound Card:
Sound Blaster Xtremegamer 7.1
Hard Drive(s):
80GB + 500GB
Optical Drive(s):
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Case / PSU:
Antec 900 + 620W Aerocool zeroDBA
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  #3  
Old 21st May 2008, 20:36
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Posts: 48
Default Errrm, is my CPU running right?

haha does it not... *hides lack of knowledge* What -is- the maximum FSb out of interest?

yeah i checked in the system box and it says 3.0Ghz. But i've noticed before in a programme i use that when i click on generate report about my computer the speed again varies from 1080ghz to 2000 something.

obviously i don't wanna be not getting performance that I've spent some slick bucks on... [well £90 lol]
  #4  
Old 21st May 2008, 23:26
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Posts: 3,277
Default Errrm, is my CPU running right?

Maximum FSB doesn't exist, because it's always changing. I should have corrected myself: when you're talking about the FSB, there are two different numbers. There's a base MHz that the FSB is running at, and a number, four times that, that that represents the "quad-pumped" MHz the CPU is running at ("rated FSB"). If that wasn't confusing enough, the FSB is multiplied by the (aptly-named) multiplier to determine the CPU's speed.

For example, my E6400 is running at a FSB of 375.0MHz. That number is multiplied by 4 (quad-pumped) to get the rated FSB (1.5ghz). My multiplier is 8.0, so my final speed is 375.0 x 8 = 3 GHz.

So you can run at 1000mhz easily - the trick is that the rated FSB is the one running at that speed, not the FSB itself. However, if I remember correctly, AMD processors run double-pumped, so the FSB is only doubled to get the rated FSB. So to have a rated FSB of 1ghz on an AMD system, you'd need a regular FSB of 500mhz - possible, but not very easy (or common)!

The problem with your generate report button is that most new processors throttle themselves - they decrease stock speeds or voltage in an attempt to save power, when not being used. The way to fix this is by turning off the setting in your BIOS - the Intel one is called SpeedStep, I have no idea what the AMD equivalent is. What's happening is that when you're doing the test, the processor is sometimes doing tasks and sometimes sitting idle, which means its output is going to vary. If you run a demanding application when doing your test, you should get a proper number.
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"I loved the P182 so much that, when my wife's system was all noisy and needed all sorts of cleaning, I bought her one. Then, when I wanted a cat, I bought a P182. The P182 is not a cat per se, but it's still an excellent buy."
  #5  
Old 22nd May 2008, 00:20
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Posts: 9,903
Default Errrm, is my CPU running right?

Download and run CPUZ to get a second opinion.
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My System: Hybr!d

Processor(s):
AMD Turion 64 x2 TL-64 2.2GHz
Motherboard:
HP nForce 560
RAM Memory:
2GB DDR2 PC2-5300
Graphics Card(s):
Nvidia 7150M Onboard Integrated
Sound Card:
5.1 Onboard Integrated
Hard Drive(s):
250GB 5400RPM SATA300
Optical Drive(s):
18x CD/DVDRW-DL ATA
Case / PSU:
Stock HP
Cooling:
Stock HP
Network / Internet:
10/100 Nic / 10MB Virgin Cable
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Operating System(s):
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