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Hardware Thread, Can a non HT motherboard run a P4 with HT? in Technical; Hey guys. Been building a Linux box, it currently has a socket 478 P4 Northwood 2.4ghz proc, non hyperthreaded. The ...
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    Can a non HT motherboard run a P4 with HT?

    Hey guys.

    Been building a Linux box, it currently has a socket 478 P4 Northwood 2.4ghz proc, non hyperthreaded.

    The motherboard does not have a HT feature, is it possible to install a P4 3.4ghz Northwood proc with HT? Obviously it wouldnt use the hyperthreading, but will it run without it?

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    Norphy's Avatar
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    Hyperthreading is a CPU feature, not a motherboard feature. However, this does not mean that your board will be able to run the CPU as I believe the original 2.4GHz Northwood ran on a 400MHz or 533MHz FSB while the 3.4GHz one ran on a 800MHz FSB. What motherboard are you running the CPU on?

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    localzuk's Avatar
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    You need to check the processor compatibility list for the specific model of motherboard. Every manufacturer provides these lists, you just need to find them. Often, BIOS updates provide support for more processors.

    What make/model of board is it, and what model number processor is it?

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    Hey guys.

    There is no official list for supported CPUs for the motherboard which is a Asus p4SC-e (not to be confused with the supermicro board)

    Motherboard: ASUS P4SC-E, 533 MHz System Bus, ATX TriOptix form-factor
    CPU: Supports IntelŪ PentiumŪ 4 Socket 478 Willamette / Northwood up to 3.0 GHz plus
    Chipset: SiSŪ 651 North Bridge SiSŪ 962 South Bridge
    Expansion Slots: 1 x 2/3-length PCI slot and 1 AGP 4X slot
    DIMM Socket: 2 184-pin PC2700/PC2100/PC1600 DDR SDRAM up to 2GB unbuffered ECC or non-ECC
    IDE Connectors: Dual-channel Bus Master IDE supports up to 4 Ultra DMA 100/66, PIO Mode 3/4 IDE devices
    3D/2D Graphics Integrated: 32-bit SiSŪ 315 AGP Graphics Engine, up to 64MB (shared)
    Audio: Built-in AC '97 compliant 3D 6 Channel Audio
    LAN: 10/100 Mbps Onboard
    Modem: HSP 56K V.90 AMR
    CD-ROM: 52X E-IDE ASUS (optional DVD-ROM, CD-RW, DVD/CD-RW Combo drive available)
    Floppy Drive: 1.44MB 3.5"
    Case: ATX Mini-Tower w/165W 115/230V Switching Power Supply, 4 Bays (2 x 5.25" External; 1 x 3.5" External; 1 x 3.5" Internal)
    Easy Access Features: One Thumb screw on the back panel
    Front Panel: Power Knob; Power-On and HDD LED Indicators
    Front accessible I/O - 2 USB 2.0 Ports, MIC-in, Headphone Jack, CF Card Reader
    Back Panel I/O: 2 USB 2.0 Ports, 1 High-Speed Serial (DB9), 1 EPP/ECP Parallel, 1 RJ45, Line-in,
    Audio-out, MIC, MIDI/Game, PS/2 Port for Keyboard / Mouse
    Dimension: 181.2(W) x 275(D) x 300.6(H) mm Gross Weight: 18.0 Ibs
    OS Support: Drivers support Windows 98, Me, NT, 2000, XP and OS/2

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    The board looks like one that was never sold directly to the public, it might be from one for their barebones systems.

    What make is the PC?

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    Yup, its a Asus Terminator 533/ID3. I have updated to the latest BIOS though there are no release notes to let me know what sort of CPU support it has, I have downloaded all the latest drivers from the Asus site.

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    localzuk's Avatar
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    Ok, that board is a barebones specific model, and according to the Asus site it only supports Northwood era CPU, with a 533Mhz FSB maximum. So, no, HT enabled processors will not work, as processors don't fall back to older standards like memory does.

    http://dlsvr03.asus.com/pub/ASUS/Bar...tor_p4533a.pdf

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    Thats the wrong PDF, thats for the P4 533A not the 533.

    http://dlcdnet.asus.com/pub/ASUS/Bar...tor_p4_533.pdf

    Anyway, now I have to make a choice.

    A Northwood P4 3ghz or a Northwood P4 3.06, problem is, the 3.06 supports HT BUT it does run at 533mhz.
    Last edited by Asomodai; 11th May 2011 at 01:27 PM.

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    If the board doesn't specify that it supports HT then you won't be able to use a processor with it in.

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    Quote Originally Posted by localzuk View Post
    If the board doesn't specify that it supports HT then you won't be able to use a processor with it in.
    Darn.

    In which case, the P4 3.0ghz Northwood runs at 400mhz FSB, whilst the 2.8ghz Northwood runs at 533mhz FSB. Which would give me the better performance overall?

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    Quote Originally Posted by Asomodai View Post
    Darn.

    In which case, the P4 3.0ghz Northwood runs at 400mhz FSB, whilst the 2.8ghz Northwood runs at 533mhz FSB. Which would give me the better performance overall?
    I'd say the 533Mhz processor.

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    Quote Originally Posted by localzuk View Post
    I'd say the 533Mhz processor.
    Righto! Got a 2.8ghz for Ģ3!

    Now I need a small aftermarket cooler...

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    Quote Originally Posted by localzuk View Post
    Ok, that board is a barebones specific model, and according to the Asus site it only supports Northwood era CPU, with a 533Mhz FSB maximum. So, no, HT enabled processors will not work, as processors don't fall back to older standards like memory does.

    http://dlsvr03.asus.com/pub/ASUS/Bar...tor_p4533a.pdf
    There was a 3.06GHz P4 HT Northwood with a 533MHz bus. I'd be very surprised if that didn't work with the OP's board. But it's kind of moot now anyway

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    Quote Originally Posted by Norphy View Post
    There was a 3.06GHz P4 HT Northwood with a 533MHz bus. I'd be very surprised if that didn't work with the OP's board. But it's kind of moot now anyway
    Yes, the board doesn't support HT. That's the point here.



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