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Thread: Pentium D 820 overclock




  1. #1
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    Default Pentium D 820 overclock

    Hey, I'm Andy.

    I'm new to the forums. I have one question. As you can see, I have an extra Pentium D 820, and the Gigabyte EP45-UD3P motherboard. Any suggestions on what I could overclock to?

    BTW, I don't have my mobo yet, it should be here tomorrow.

    Thanks!


    -Andy
    Gigabyte EP45 UD3P
    Core2 Quad Q9550 2.83GHz
    8GB DDR2 RAM
    500 GB Hard Drive

    Oveclocker in Progress

  2. #2
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    Default Re: Pentium D 820 overclock

    What sort of CPU Cooler are you planing to use. I have a Pentium D 950 and its HOT. I think they all are, being basically 2 P4's Stuck together or something like that. So make sure you have good cooling before you go to extreme on the OC. Better off just ditching it for a C2D
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  3. #3
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    Default Re: Pentium D 820 overclock

    Hey Nimrod :)

    I have the Zalman CNPS9900 LED air cooler for my CPU. I have a Core2 Quad, but it wouldn't let me get very high clock speeds, compared to what I wanted. At least not with any stability. :)

    Andy
    Gigabyte EP45 UD3P
    Core2 Quad Q9550 2.83GHz
    8GB DDR2 RAM
    500 GB Hard Drive

    Oveclocker in Progress

  4. #4
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    Default Re: Pentium D 820 overclock

    Well that cooler should provide better than stock cooling, however with a 90Nm processor that you have I would imagine it pumps out the heat and overclocking it will only increase that. As I have mentioned. If possible save a little and get even a crap C2D as they out proform the Pentium D noticably. Example. I have a Pentium D 950 and when I start to encode a dvd using nero vision on high priority I barely can use my computer. On my sig system even @ stock speed it kills it in speed of doing the incoding and I can still play fallout 3 with not a huge noticable effect. Thats pretty good in my book. I really dont think it would be realy worth the small overclock you could get with that processor but you should be able to go to 3 or 3.2 without to much hassle. Just up the FSB and check your Memory Multiplier and try and keep it normal. I dont know much about overclocking ram. Dont really see the point. Id rather have a 1:1 CPU/RAM Ration. 800Mhz Ram with a FSB of 400Mhz.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  5. #5

    Default Re: Pentium D 820 overclock

    So then, a Pentium D 820 won't cook itself to death first attempt at overclocking? Hmmmm, who'd a thunk it :p
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  6. #6
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    Default Re: Pentium D 820 overclock

    I have a D820 about 30 months ,most of that time its been running at stock.
    For the past 6 months its been running at 3.5G on a GA-73pvmS2 mbrd.
    memory is value ram 5300 running at stock speed.
    It might clock a little higher on the UD3.
    Apparently the limiting factor on those is heat and the fact theres is only one temp sensor for core temp .
    Temp readings can seem reasonable but one core can get hotter and go into stepped down..well theres only one multiplier..,reduced power mode .

    I use 1.30v in bios..mem voltage 1.8(cant change it anyway)
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  7. #7

    Default Re: Pentium D 820 overclock

    Do you use it to cook with? I'd hook it up to a hotplate in place of a heatsink and use the CPU as the main heating element :p
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  8. #8
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    Default Re: Pentium D 820 overclock

    I was having the same idea. You could weld a hot plate to it and fry eggs and steak. It'd be much more efficient to pump 150W through a Pentium D than a couple of KilloWatts through a traditional heating element.

    I wonder if the steaks will come out with the Intel Inside logo singed onto them?
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  9. #9
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    Question Re: Pentium D 820 overclock

    Quote Originally Posted by Psycho101 View Post
    I was having the same idea. You could weld a hot plate to it and fry eggs and steak. It'd be much more efficient to pump 150W through a Pentium D than a couple of KilloWatts through a traditional heating element.

    I wonder if the steaks will come out with the Intel Inside logo singed onto them?
    ^^^^^LMFAO

    Just for interest, what program are you using to view temps with the Pentium D's? I dont think the few I have work with those.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

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