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Thread: Downgrading to a Sempron! Heat Question.

  1. #1
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    Downgrading to a Sempron! Heat Question.

    My 2800+ in my shuttle system gets to 55c when I'm encoding DVD's on it, since the system is only used for downloads, playing films and encoding DVD's I though I would buy a slower CPU to help reduce the heat (and noise). I'm looking at the Sempron 2200+ which looks like good value for money and I doubt I'd noticed that much of a performance difference.

    Few questions though.

    1: How much cooler will a Sempron 2200+ run compared to a Barton 2800+
    2: Does the size difference in cache affect encoding speed?
    Main Rig: LANPARTY UT nF4 Ultra-D | AMD Opteron 165@2.65Ghz | 2GB TwinMoss DDR PC3200 | GeForce 8800GT 512MB | 2*500GB Seagate 7200.10 | Antec P182 case
    Shuttle Rig: Shuttle SN41G2B | Sempron 2200+ | 1GB NANYA DDR PC3200 | ATi Radeon 9600 128MB | 2*320GB Seagate 7200.8
    HTPC: Abit Abit AN-M2HD | Athlon X2 BE-2400 | 2GB Corsair DDR2 PC2-5300 | 500GB Seagate 7200.11 | Terratec Cinergy 2400i DT | Antec Fusion Black HTPC Case


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  2. #2
    Laird Of The Glen jimborae's Avatar
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    • jimborae's system
      • Motherboard:
      • Gigabyte Z77X-UD5H
      • CPU:
      • Core i7 2600K@4.5Ghz
      • Memory:
      • Mushkin RipJaws DDR3 16Gig
      • Storage:
      • 1x Samsung 850Evo 500Gb SSD, 1 x WG 640Gb
      • Graphics card(s):
      • VTX R9 290 watercooled
      • PSU:
      • XFX 850W Black Edition
      • Case:
      • Phantek Enthoo Prime
      • Operating System:
      • Windows 7 Pro
      • Monitor(s):
      • 2 xDell 24"
      • Internet:
      • Vodafone 70Mb
    I'm not certain you'll see much of a difference, are you able to compare the default core voltages as thats probably what'll give you a difference if there is one.

  3. #3
    Now with added sobriety Rave's Avatar
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    Just undervolt/ underclock the processor you have now. I find that in general if you run a processor a little below its rated speed, you can usually reduce the voltage by quite a lot- for example, I once ran a Duron 1400 at 1.6GHz (actually an overclock) at only 1.4V, which made it run just a few degrees over ambient.

    Rich :¬)

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    bored out of my tiny mind malfunction's Avatar
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    • malfunction's system
      • Motherboard:
      • Gigabyte G1.Sniper (with daft heatsinks and annoying Killer NIC)
      • CPU:
      • Xeon X5670 (6 core LGA 1366) @ 4.4GHz
      • Memory:
      • 48GB DDR3 1600 (6 * 8GB)
      • Storage:
      • 1TB 840 Evo + 1TB 850 Evo
      • Graphics card(s):
      • 290X
      • PSU:
      • Antec True Power New 750W
      • Case:
      • Cooltek W2
      • Operating System:
      • Windows 10
      • Monitor(s):
      • Dell U2715H
    Other thoughts:

    Have you got the fan on temp control in the BIOS? If so you might want to reduce the trigger levels or just run the fan on a set (higher) speed.

    Have you had the shuttle open recently to see if it is full of dust (especially the fins on the ICE cooler, the heatsink on the northbridge and GFX card)... Also if you're using the onboard GFX and have moved over to a passive NB cooler you might want to rethink - I've tried this with my SN41G2 and it REALLY heats up the case if I'm using the onboard GFX and no NB fan...

  5. #5
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    Quote Originally Posted by malfunction
    Other thoughts:

    Have you got the fan on temp control in the BIOS? If so you might want to reduce the trigger levels or just run the fan on a set (higher) speed.

    Have you had the shuttle open recently to see if it is full of dust (especially the fins on the ICE cooler, the heatsink on the northbridge and GFX card)... Also if you're using the onboard GFX and have moved over to a passive NB cooler you might want to rethink - I've tried this with my SN41G2 and it REALLY heats up the case if I'm using the onboard GFX and no NB fan...
    Atm the trigger level for fan speed up is at 48C, which is greyed out and I can't change it, anyone know how to?

    My shuttle has actually been modded a bit, I'm using a passive HS for the NB but got a dedicated 9600np installed (passive as well), so NB heat isn't really and issue. I've also changed the 80mm fan to a 120mm fan which extracts more air and runs quieter.

    I can't change the voltage on this Shuttle, just doesn''t allow it
    Main Rig: LANPARTY UT nF4 Ultra-D | AMD Opteron 165@2.65Ghz | 2GB TwinMoss DDR PC3200 | GeForce 8800GT 512MB | 2*500GB Seagate 7200.10 | Antec P182 case
    Shuttle Rig: Shuttle SN41G2B | Sempron 2200+ | 1GB NANYA DDR PC3200 | ATi Radeon 9600 128MB | 2*320GB Seagate 7200.8
    HTPC: Abit Abit AN-M2HD | Athlon X2 BE-2400 | 2GB Corsair DDR2 PC2-5300 | 500GB Seagate 7200.11 | Terratec Cinergy 2400i DT | Antec Fusion Black HTPC Case


    Furton.NET Coming soon!

  6. #6
    Now with added sobriety Rave's Avatar
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    How old is the processor- is it locked? If it's not (I.E. pre-0339) you could pin mod it to reduce the voltage and/or multiplier.

    Rich :¬)

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    Senior Member Kezzer's Avatar
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    You do realise shuttles usually run at that temperature right? My shuttle was like 48 idle and 55 load. It's fine like that imo

  8. #8
    Senior Member skuzgib's Avatar
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    Couldn't you get a barton mobile (if it isn't already) ?

  9. #9
    Zoom-Zoom
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    I would also say 55oC is nothing to worry about. It's a shuttle after all. I really wouldn't worry until you are running close to 65oC

    As has been said you will do much better to reduce the voltage (Assuming your shuttle has the options)

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