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  1. #1
    Member PerlAddict's Avatar
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    Fan over CPU Heatsink ... connect to mobo or power supply?

    When ordering a fan to put on a heatsink (thinking Panaflo 120mm M1A on SP-97), would it be best to connect the fan to the motherboard (NF7-S v2) or to the power supply? Which of the two options will allow an RPM reading (and as a side note, what is a good fan controller?).

    I'm also wanting to set up between 7 to 9 Panaflo U1A 80mm case fans in this setup. What should they connect to, as well (and how should I run them through above mentioned fan controller if you had a suggestion for one)?

    Thanks,
    - Dave

  2. #2
    THE Senior FANMAN archilochus's Avatar
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    SP-97 seems to need some cfm and pressure to get desired temps. The 120mm may not provide that for you.For safety reasons all fans and lites should be on a dedicated line of the PSU..Read sticky,"NO JOKE". You can wire a fans rpm wire separately to the cpu fan header on the mobo.What case do you have and what will the fan positions be in it? Sunbeam rheobus is a good no frills fan controller, capabule of handling many fans..
    MOBYDICK
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  3. #3
    Member PerlAddict's Avatar
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    Someone recommended the 80mm Panaflo U1A for the HSF combination, and that puts out less CFMs than the 120mm M1A. What would you think would be a good working solution?
    Main Rig:
    Opteron 165 CCBBE 0610 DPMW, DFI Ultra-D, EVGA7900GT CO, OCZ PowerStream 520W, 2 x 512MB Mushkin Level 2 PC3500
    Swiftech Storm CPU block, MCP-655, PA120.3 w/ Coolermaster 42CFM Led Fans, MCW-60 GPU block, Masterkleer 7/16" ID 5/8" OD
    Raptor 74GB | Maxtor 160 GB | Dell 2405FPW | U2-UFO Opti-1203

    Retired Rig/Wife's Machine:
    Mobile 2600+ IQYHA 0352MPMW at 11 x 230 @ 1.825v | SP-97 w/Panaflo 92mm H1A | Abit NF7 v2 w/D26 Splitfire CPC-Off
    2 x 512MB Mushkin Level 2 PC3500 (2-2-2-11) @ 3.3V | Sapphire X800Pro softmodded to XT, VGA Silencer, 500/540
    Antec TrueControl 550W | Hitachi 160GB SATA | NEC DVD-RW | L90D+ | Twice7

    My Heatware

    "if you refuse to use jbweld I'll stab you in the face" - jamesavery22

  4. #4
    Member PerlAddict's Avatar
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    Oh, and I'll post some pics of the case later (it hasn't been cleaned in years and it has a lot of dust on the inside, but then, it's also got a PIII Slot 1 450Mhz CPU in it, so speed hasn't been a concern in a long time anyway. ). I don't know the brand (or if it's even any major name brand) ... I bought it back in 1999.
    Main Rig:
    Opteron 165 CCBBE 0610 DPMW, DFI Ultra-D, EVGA7900GT CO, OCZ PowerStream 520W, 2 x 512MB Mushkin Level 2 PC3500
    Swiftech Storm CPU block, MCP-655, PA120.3 w/ Coolermaster 42CFM Led Fans, MCW-60 GPU block, Masterkleer 7/16" ID 5/8" OD
    Raptor 74GB | Maxtor 160 GB | Dell 2405FPW | U2-UFO Opti-1203

    Retired Rig/Wife's Machine:
    Mobile 2600+ IQYHA 0352MPMW at 11 x 230 @ 1.825v | SP-97 w/Panaflo 92mm H1A | Abit NF7 v2 w/D26 Splitfire CPC-Off
    2 x 512MB Mushkin Level 2 PC3500 (2-2-2-11) @ 3.3V | Sapphire X800Pro softmodded to XT, VGA Silencer, 500/540
    Antec TrueControl 550W | Hitachi 160GB SATA | NEC DVD-RW | L90D+ | Twice7

    My Heatware

    "if you refuse to use jbweld I'll stab you in the face" - jamesavery22

  5. #5
    Member Mr.Radar's Avatar
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    I don't think that 120mm fans fit on the SP-97. I have the SLK-947U (like SP-97 without the heatpipes) w/ a 92mm Panaflo H1A. My temps are pretty good. I connect only my CPU fan and my Northbridge fan to my mobo headers, all my case fans go on a dedicated 7v modded PSU line, though you could use a fan controller instead. If you get a fan controller and only want to use one, get a 4-knob one and some fan connector (3-pin type) Y-splitters so you can hook two fans up to one knob (provided the controller has enough juice on each knob). A lot of people here use the Vantec Nexus (fan only version), though I wouldn't plug my CPU fan into it because it lets you turn the fans all the way to off.

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