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  1. #1
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    Thermaltake Subzero4G TEC... the story

    In another thread in the Chaintech Forum (temp readings) we have been having a long discussion re the merits or otherwise of the Thermalteke Subzero 4G TEC CPU cooler.

    The guys involved felt it would be better if we all continued in the right forum!! So here's me.... other to follow.

    The problems with the Subzero.

    Seating the HS is a beggar to get right. The copper plate is soldered to the base and does not have a step. There is very little clearance for the raised portion of the CPU socket. % people I know have all had big probs mounting the HS. All were experienced people, and although it "looked" right, it was not.

    Following my own experiences I was ready to RMA the unit, after CPU Temps went up to 60c ++++ at100% CPU on anXP2700+ running at 2269 (std is 2176) See below:



    After four re-installs, and much advise from others... mainly cooknl (Rob) I finnally cracked it. See below:



    Reasonable temps.. plus VERY Quiet.

    To mount the HS you MUST do the following:

    Fix the first Clip (PCI side) then with your thumb holding that clip in position, pull the HS as far back as you can towards the PCI side. Then fasten the other clip in the normal way.

    View it from the side, and look for a small GAP between the edge of the HS plate and raised part of the Socket. My gap now is arround 1mm. Nut it is a VISIBLE gap. Withut the gap, you are in for a hot ride !!!

    One piece of info... this device is NOt made by thermaltake but by Activecool in Israel. www.activecool.com

    Our own Unlce Bob, has manged with Rons help to get one from them to run a full test. Details of the product can be found here :

    http://www.amdforums.com/showthread....18#post1904218

    So folks, if you get one of these devices, and the bios shows the temp at much over 39C the HS is NOT mounted correctly....
    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
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  2. #2
    Joined
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    Mounting the HS&fan assy, takes patience!!!

    Hi all,

    As Big Den discribed above mounting the heatsink on the zif socket can be a ROYAL pain in the behind.

    The tips Den gave are super but I want to add to it just to explain this procedure a little more.

    First the best thing to do is, do a couple of dry runs by grabbing the fan and coolplate assembly in your left hand then press the mounting strap with your left thumb all the way INTO the Heatsink, now klick it on its 3 lugs at the bottom of the socket nearest the PCI slots, do this making sure you keep pressure on the mounting strap to keep it pressed into the heatsink, try this dry (litterally) in otherwords mount it without paste, when satified you got this procedure down pat, fasten the clip on the otherside using your right hand and the famous screwdriver.


    Now you are ready to do it for real, use the paste as thinly as possble so you can almost see thru it, ( I always use arcticsilver 3) but covered over the whole surface evenly (this might take some messing around but a good helper in this is a credit card edge or something similar) of the processor die ONLY.

    Now do the above discribed procedure for real and then check you have at least 0.003" to 1/32nd" clearance, if you have more fine, between the edge of the soldered on copperplate and the ridge of the zif socket.

    Ok youre done what next. Final assemble everything by hooking up all wires as instructed in the owners manual.
    That done close her up and make sure the ac plug is plugged into pci slot powersupply included in the kit. YES it requires a separate power (mains) wire and plug provided.

    Turn on the computer when you feel you are ready and boot into the BIOS, yes the bios, Most boards this is done by holding the DEL key, this is where we are going to check the temps in the PCHEALTH section.

    Now comes the clincher if you did it right the temp of the CPU should be near 40C NOT OVERCLOCKED!!!!!!! If it is more REDO it NOW!!!! shut down and start again.

    Th M/B temp should be less then the CPU by 3 C again not overclocked!!!

    Now if you have temps above 42-43 C its time to try again.........good luck if you have any question post here in this thread and we will be happy to help.

    USE picture at bottom of [COLOR=red]THIS To give an idea how it should look and what to look for.

    Have fun, its easy ones you have done it once. See picture below.


    Rob

    Last edited by cooknl; 06-23-2003 at 03:35 PM.
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  3. #3
    Joined
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    Location
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    Appartently GlobalWin are about to launch a version of this device... anyone seen it yet??
    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
    Hiper TypeR 480 watt
    Coolermaster Stacker
    Windows XP MCE SP2

  4. #4
    Joined
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    Near Amsterdam
    Posts
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    Hi Den,

    Mr. MSN how are u???

    RE: globalwin they are not the only ones going the TEC route

    Watch and see.


    Rob
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  5. #5
    Joined
    Jan 2003
    Location
    South West UK
    Posts
    315
    SunZero update:

    My XP2700+ at standard setting is now running at 38C CPU and 40C system... (these temps ARE the right way round!!)

    This cooler is fantastic, and VERY quiet.
    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
    Hiper TypeR 480 watt
    Coolermaster Stacker
    Windows XP MCE SP2

  6. #6
    Joined
    Apr 2003
    Location
    Near Amsterdam
    Posts
    176

    Dennis Welcome to the COOL club hihihih

    Big DEn,

    May I welcome you to the COOL club. Glad to see you got it working right. With those temps you can bet your bottom dollar (in your case POUND) that the subzero4g is seated properly.

    Proof of the pudding is in the eating....................heheheh.


    Rob
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  7. #7
    Joined
    Jan 2003
    Location
    South West UK
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    315
    Now the AS3 has settled... this is performing great.

    BTW.. the 7NJS Mobo reads temps directly from the core, so these may be lowere using a reading from below the CPU

    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
    Hiper TypeR 480 watt
    Coolermaster Stacker
    Windows XP MCE SP2

  8. #8
    Joined
    Apr 2003
    Location
    Near Amsterdam
    Posts
    176
    Hi Dennis,

    Hmmm Everytime you show us your 'idle' temps the cpu is lower then M/board I have a sneaky feeling you might be reading them reversed in MBM5.

    'Lm-90 remote' is for the CPU die and 'LM-90 local' is for the motherboard sensor.

    On my system in the idle mode the m/board is always lower then the cpu temp. When I go into 100% cpu usage with my trainz proggy, thats when the m/board goes higher then the cpu.

    Are U sure????



    Rob
    Last edited by cooknl; 06-24-2003 at 07:29 AM.
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  9. #9
    Joined
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    Location
    South West UK
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    They ARE the corect way round.

    The reason is the efficiency of the Subzero. I was amazed to see it the first time, and checked all settings on MBM!!

    When I really stress the CPU (Prime95) it jumps a few degress higher than system.

    The reading in the posting above was taken after i shut down Seti. So the CPU a few moments earlier was a few degrees higher.
    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
    Hiper TypeR 480 watt
    Coolermaster Stacker
    Windows XP MCE SP2

  10. #10
    Joined
    Apr 2003
    Location
    Near Amsterdam
    Posts
    176
    Dennis,

    You convinced me!! thanx for letting me know.


    Rob
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  11. #11
    Joined
    Jan 2003
    Location
    South West UK
    Posts
    315
    Delighted to here that
    Big Den... Silver Surfer

    Big Den... Silver Surfer
    AMD 4600+ 64x2
    Koolance Exos A. External liquid cooling
    Asus A8N-SLI-Premium Mobo
    1024 mb Gskill - DDR400/DDR550
    1 x WD Raptor 74 gig SATA
    1 x IBM 60 gig ATA100
    1 x Seagate 150 gig ATA100
    1 x Seagate 200 gig ATA 100
    XFX 6800 GT
    Hiper TypeR 480 watt
    Coolermaster Stacker
    Windows XP MCE SP2

  12. #12
    Joined
    Nov 2002
    Location
    Earth
    Posts
    918
    I thought these things were unsafe, with the waves and everything.

  13. #13
    Joined
    Apr 2003
    Location
    Near Amsterdam
    Posts
    176
    Originally posted by Saigon
    I thought these things were unsafe, with the waves and everything.
    Hmmm Saigon,
    Not getting your drift. Could you be a bit more detailed in what you are trying to say??

    Sure would liket to find out what you mean!!!!


    rob
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



  14. #14
    Joined
    Nov 2002
    Location
    Earth
    Posts
    918
    Originally posted by cooknl
    Hmmm Saigon,
    Not getting your drift. Could you be a bit more detailed in what you are trying to say??

    Sure would liket to find out what you mean!!!!


    rob
    nm I dont knwo what im talking about. Is this good for overclocking?

  15. #15
    Joined
    Apr 2003
    Location
    Near Amsterdam
    Posts
    176
    Originally posted by Saigon
    nm I dont knwo what im talking about. Is this good for overclocking?
    Yes!!!!

    Very good, If you dont like WATER/LIQUID cooling for one reason or another, Very Definitely the SUBZERO4G is FANTASTIC for that purpose.

    I for one do not think you should mix liquid and electronics in ONE case. Too many chances for things to go wrong, in my opinion, High frequency vibration is the main one that comes to mind. Especially now that we have the TEC cooling systems which are very efficient, and a very much better solution then aircooling.

    If you really are interested, you might want to have a read here to see what is really happening with this TECHNOLOGY !!!!!!!

    ActiveCool

    Hope this gives you an idea and answers to your question and shows you what your statement in the former post really meant.

    Rob
    Last edited by cooknl; 06-25-2003 at 02:09 PM.
    Happyness is a fast computer,
    ActiveCool's TEC cooling........and TRAINZ



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