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  1. #41
    ROG Guru: Orange Belt Array JohnAb PC Specs
    JohnAb PC Specs
    Laptop (Model)HP 430 G5
    MotherboardASUS Maximus Z690 Hero
    Processor12900K
    Memory (part number)2x 16GB CMK32GX5M2B5200C40
    Graphics Card #1ASUS RTX 3090 TI 24GB TUF GAMING OC - TUF-RTX3090TI-O24G-GAMING
    Monitor28" Samsung 4K & 32" Samsung 4K
    Storage #13x NVME Drives on Motherboard
    Storage #22x SATA HDD, 2x SATA SSD
    CPU CoolerCorsair iCUE H150i ELITE LCD Display 360mm RGB Liquid CPU Cooler
    CaseCorsair 7000X RGB Black Full Tower
    Power SupplyCorsair RM1000x
    Keyboard SteelSeries Apex Pro
    Mouse SteelSeries Rival 600
    Headset Blue Yeti / Sundara Headphones
    Headset/Speakers Bose Soundbar
    OS Win 11 Pro
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    I think putting in a new pad and removing the plastic cover is the best thing to do, but if you want a really fast and simple improvement, then just grab a small (80mm) fan or two and point them towards the PCH area. That what's did and you'll get at least a 10C reduction straight away. The fans were cheap and they aren't even mounted, they are just resting on the cover above the PSU which in my case extends all the way along beneath the GPU. I did add a metal mesh filter cover to stop dust being blown through the fans and deposited all over the motherboard. In fact, I decided to mount the 2 fans together in front of each other with bolts running through both fans and the metal mesh to hold it all together.

    The whole assembly is more like a cube and it doesn't move about at all. Both fans run at between 2000-2500 rpm max. They do make a little bit of noise of course, but I don't notice it. Total cost was maybe 10-12 UK Pounds. They just run off the motherboard fan headers, so speed is adjustable in BIOS or through Armoury Crate. The metal filter cover does get quite dusty, so I just clean it about once a week. Not a big job.
    Z690 Hero, BIOS 2204, ME Firmware 16.1.25.2020, Corsair 7000X Case, i9 12900K, ASUS TUF OC 3090TI, 2 x 16GB Corsair RAM @ 5200MHz, Windows 11 Pro 22H2, Corsair H150i AIO Cooler, 4x Corsair RGB case fans, 3x M.2 NVME drives on motherboard, 2x SATA SSDs, 2x SATA HDs, 2x 4K monitors.
    "If you're lazy like me and do nothing else in life, be nice to yourself and back up your data today"

  2. #42
    ROG Member Array lalantha PC Specs
    lalantha PC Specs
    MotherboardAsus TUF Gaming Z690 Plus WIFI D4
    ProcessorI5 12400
    Memory (part number)CMW 16GX4M2D3600C18
    Graphics Card #1Gigabyte RTX 3070ti Gaming OC 8GB
    MonitorSamsung Odyssey G5 27" 1440P 144Hz
    Storage #1Cosair Force MP510 NVME
    CPU CoolerNZXT X53
    CaseXPG Defender PRO
    Power SupplyCosair RM750
    OS Windows 11

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    Click image for larger version. 

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    Hey guys, does anyone have an idea about temp sensors marked with red arrows in CPUID HW Monitor? I don't see those in HWiNFO. The motherboard is a TUF Z690 WIFI D4.

  3. #43
    New ROGer Array
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    Quote Originally Posted by JohnAb View Post
    I think putting in a new pad and removing the plastic cover is the best thing to do, but if you want a really fast and simple improvement, then just grab a small (80mm) fan or two and point them towards the PCH area. That what's did and you'll get at least a 10C reduction straight away. The fans were cheap and they aren't even mounted, they are just resting on the cover above the PSU which in my case extends all the way along beneath the GPU. I did add a metal mesh filter cover to stop dust being blown through the fans and deposited all over the motherboard. In fact, I decided to mount the 2 fans together in front of each other with bolts running through both fans and the metal mesh to hold it all together.

    The whole assembly is more like a cube and it doesn't move about at all. Both fans run at between 2000-2500 rpm max. They do make a little bit of noise of course, but I don't notice it. Total cost was maybe 10-12 UK Pounds. They just run off the motherboard fan headers, so speed is adjustable in BIOS or through Armoury Crate. The metal filter cover does get quite dusty, so I just clean it about once a week. Not a big job.
    Yes, there is plenty you can do with spare bits of computers or buy cheap from Amazon. The main work is stripping your board out. Just the reseating makes a big difference so any extra cooling can't do any harm. I know I couldn't live with those temps, it wasn't right. At first it was idling sometimes near 70c and then when I played a game my computer became a oven, I did manage to get it down to 50c idle but it was still running to hot for my liking so I ended up stripping it down.

  4. #44
    ROG Guru: Orange Belt Array JohnAb PC Specs
    JohnAb PC Specs
    Laptop (Model)HP 430 G5
    MotherboardASUS Maximus Z690 Hero
    Processor12900K
    Memory (part number)2x 16GB CMK32GX5M2B5200C40
    Graphics Card #1ASUS RTX 3090 TI 24GB TUF GAMING OC - TUF-RTX3090TI-O24G-GAMING
    Monitor28" Samsung 4K & 32" Samsung 4K
    Storage #13x NVME Drives on Motherboard
    Storage #22x SATA HDD, 2x SATA SSD
    CPU CoolerCorsair iCUE H150i ELITE LCD Display 360mm RGB Liquid CPU Cooler
    CaseCorsair 7000X RGB Black Full Tower
    Power SupplyCorsair RM1000x
    Keyboard SteelSeries Apex Pro
    Mouse SteelSeries Rival 600
    Headset Blue Yeti / Sundara Headphones
    Headset/Speakers Bose Soundbar
    OS Win 11 Pro
    Network RouterNetgear Nighthawk RAXE500 6E
    Accessory #1 SDR Radio
    Accessory #2 Graphics Tablet
    Accessory #3 Jabra Microphone/Speaker

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    Fully understand, luckily my temps are under (reasonable) control, but at the temperatures you were experiencing I would be doing the same. Thanks for sharing your experience.
    Z690 Hero, BIOS 2204, ME Firmware 16.1.25.2020, Corsair 7000X Case, i9 12900K, ASUS TUF OC 3090TI, 2 x 16GB Corsair RAM @ 5200MHz, Windows 11 Pro 22H2, Corsair H150i AIO Cooler, 4x Corsair RGB case fans, 3x M.2 NVME drives on motherboard, 2x SATA SSDs, 2x SATA HDs, 2x 4K monitors.
    "If you're lazy like me and do nothing else in life, be nice to yourself and back up your data today"

  5. #45
    ROG Enthusiast Array IT Troll PC Specs
    IT Troll PC Specs
    MotherboardASUS ROG Strix Z690-G
    ProcessorIntel Core i7-13700K
    Memory (part number)32GB Kingston FR DDR5 6000
    Graphics Card #1Nvidia RTX 3090 FE
    MonitorLG 32UD99-W 4K HDR
    Storage #1NVMe: Samsung 980 PRO 500GB + 1TB + 2TB
    Storage #2SSD: Samsung 960 EVO 4TB, Crucial MX500 2TB
    CPU CoolerNoctua NH-U12S (dual NF-F12 PWM)
    CaseSilverstone Temjin TJ08B-E
    Power SupplyEVGA SuperNOVA 850 G2
    Keyboard Razer Hunstman V2 TKL
    Mouse Razer Viper Ultimate
    OS Win 11 Pro x64

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    Set the PCH voltages to the midway point which dropped temperatures by 2-3°C, so after about an hour it idles in the low seventies.
    During gaming it is still hitting 85°C, I suspect mostly due to the GPU sat above it.

  6. #46
    ROG Guru: Orange Belt Array JohnAb PC Specs
    JohnAb PC Specs
    Laptop (Model)HP 430 G5
    MotherboardASUS Maximus Z690 Hero
    Processor12900K
    Memory (part number)2x 16GB CMK32GX5M2B5200C40
    Graphics Card #1ASUS RTX 3090 TI 24GB TUF GAMING OC - TUF-RTX3090TI-O24G-GAMING
    Monitor28" Samsung 4K & 32" Samsung 4K
    Storage #13x NVME Drives on Motherboard
    Storage #22x SATA HDD, 2x SATA SSD
    CPU CoolerCorsair iCUE H150i ELITE LCD Display 360mm RGB Liquid CPU Cooler
    CaseCorsair 7000X RGB Black Full Tower
    Power SupplyCorsair RM1000x
    Keyboard SteelSeries Apex Pro
    Mouse SteelSeries Rival 600
    Headset Blue Yeti / Sundara Headphones
    Headset/Speakers Bose Soundbar
    OS Win 11 Pro
    Network RouterNetgear Nighthawk RAXE500 6E
    Accessory #1 SDR Radio
    Accessory #2 Graphics Tablet
    Accessory #3 Jabra Microphone/Speaker

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    My PCH is almost constantly 35C above the indicated motherboard temperature. At the moment my motherboard indicates 22C and the PCH is running at 57C. I do have a fan blowing over the PCH, so unless you have added a fan, re-seated the heatsink and replaced the thermal pad etc. then your difference is going to be higher than that.

    Hence, the ambient temperature is a major factor. If my ambient temperature goes up by 5C, so does the PCH, so warmer climates make a big difference. Another factor is how good your case fans are. If the temperature inside the case goes up, then that is really the same as a higher ambient temperature as far as the PCH is concerned. Heat dissipation efficiency is all about temperature difference between the thing that is hot (the PCH) and the surrounding environment.

    It's also important to remember that these chipsets are quite capable of running hot. A lot of us don't like that of course, but there is no need to panic either. A lot of this discussion is about personal preference as much as anything else. So to put all of this in context, it's nice to get the temperature lower, but I don't think I have heard of a failure being caused by high PCH temperature.
    Last edited by JohnAb; 11-21-2022 at 02:37 PM.
    Z690 Hero, BIOS 2204, ME Firmware 16.1.25.2020, Corsair 7000X Case, i9 12900K, ASUS TUF OC 3090TI, 2 x 16GB Corsair RAM @ 5200MHz, Windows 11 Pro 22H2, Corsair H150i AIO Cooler, 4x Corsair RGB case fans, 3x M.2 NVME drives on motherboard, 2x SATA SSDs, 2x SATA HDs, 2x 4K monitors.
    "If you're lazy like me and do nothing else in life, be nice to yourself and back up your data today"

  7. #47
    ROG Enthusiast Array IT Troll PC Specs
    IT Troll PC Specs
    MotherboardASUS ROG Strix Z690-G
    ProcessorIntel Core i7-13700K
    Memory (part number)32GB Kingston FR DDR5 6000
    Graphics Card #1Nvidia RTX 3090 FE
    MonitorLG 32UD99-W 4K HDR
    Storage #1NVMe: Samsung 980 PRO 500GB + 1TB + 2TB
    Storage #2SSD: Samsung 960 EVO 4TB, Crucial MX500 2TB
    CPU CoolerNoctua NH-U12S (dual NF-F12 PWM)
    CaseSilverstone Temjin TJ08B-E
    Power SupplyEVGA SuperNOVA 850 G2
    Keyboard Razer Hunstman V2 TKL
    Mouse Razer Viper Ultimate
    OS Win 11 Pro x64

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    I do favour a quiet system and so have all my fans on curves which mean that during normal light desktop duties the fans spin slowly (the GPU fans stop altogether). They only ramp up when the workload demands it. This led me to adding an extra spot fan next to the chipset as it needs constant airflow. Even so, it is still +50°C over ambient. Here are the various system temperatures after it has been on for 6 hours performing light desktop tasks.

    °C
    24 SATA SSD (located at bottom of case, same as room ambient)
    35 RAM
    40 CPU core
    45 VRM
    46 GPU Core
    46 Motherboard
    53 NVMe SSD (under GPU)
    76 PCH (with spot cooling fan)
    Last edited by IT Troll; 11-21-2022 at 04:02 PM.

  8. #48
    ROG Guru: Orange Belt Array JohnAb PC Specs
    JohnAb PC Specs
    Laptop (Model)HP 430 G5
    MotherboardASUS Maximus Z690 Hero
    Processor12900K
    Memory (part number)2x 16GB CMK32GX5M2B5200C40
    Graphics Card #1ASUS RTX 3090 TI 24GB TUF GAMING OC - TUF-RTX3090TI-O24G-GAMING
    Monitor28" Samsung 4K & 32" Samsung 4K
    Storage #13x NVME Drives on Motherboard
    Storage #22x SATA HDD, 2x SATA SSD
    CPU CoolerCorsair iCUE H150i ELITE LCD Display 360mm RGB Liquid CPU Cooler
    CaseCorsair 7000X RGB Black Full Tower
    Power SupplyCorsair RM1000x
    Keyboard SteelSeries Apex Pro
    Mouse SteelSeries Rival 600
    Headset Blue Yeti / Sundara Headphones
    Headset/Speakers Bose Soundbar
    OS Win 11 Pro
    Network RouterNetgear Nighthawk RAXE500 6E
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    That's interesting IT Troll. Your PCH is running a lot hotter than mine. I know that you have the 690-G so we're on different motherboards, but that's a big difference considering that you have a fan. Mine generally settles at 57-59C depending on the temperature in the room. You're still within safe operating temperatures, but I do find that surprising.

    Looking at your temperatures, your motherboard seems high so I think that explains it. I know you don't want much noise, but I'd suggest improving your case airflow. I'm in the cold and wet UK, but my motherboard is currently just 22C.

    I actually came back to provide an update about PCH voltages. Despite other people saying that they are using minimum voltages, I thought I would try it but had no luck. The PC wouldn't even boot. I tried twice, but it would fail with a yellow LED and code 50 which is related to memory initialisation. I reset the BIOS using the button and went back to midpoint voltages. It booted again normally, so no harm done.

    However, when I got back to Windows it said that my Hello PIN was not available, so I guess it gets wiped out with a BIOS reset. So I had to log back into my MS account and reset the PIN. Easy enough, but this illustrates why backups are so important. If I hadn't had a copy of my password database on a spare laptop I would have been in trouble. I can't even remember one password, let alone hundreds!

    So the real lesson here is BACKUP YOUR DATA, daily if you can.
    Last edited by JohnAb; 11-21-2022 at 10:39 PM.
    Z690 Hero, BIOS 2204, ME Firmware 16.1.25.2020, Corsair 7000X Case, i9 12900K, ASUS TUF OC 3090TI, 2 x 16GB Corsair RAM @ 5200MHz, Windows 11 Pro 22H2, Corsair H150i AIO Cooler, 4x Corsair RGB case fans, 3x M.2 NVME drives on motherboard, 2x SATA SSDs, 2x SATA HDs, 2x 4K monitors.
    "If you're lazy like me and do nothing else in life, be nice to yourself and back up your data today"

  9. #49
    ROG Guru: Blue Belt Array restsugavan PC Specs
    restsugavan PC Specs
    MotherboardRAMPAGE VI EXTREME BIOS 3701 MOD
    ProcessorIntel Core i9 7980XE 2.60GHz
    Memory (part number)64GB GSKILL 3.2 GHz 16-16-18-36 2T
    Graphics Card #1ASUS ROG POSEIDON 1080Ti
    MonitorSAMSUNG ODESSEY G9 Firmware 1016.0
    Storage #1SAMSUNG 970 EVO PLUS 1TB x 3
    Storage #2WD 4TB External HDD
    CPU CoolerNZXT KRAKEN 62
    CaseCorsair Carbine 540
    Power SupplyCorsair AX1200i
    Keyboard Microsoft
    Mouse Microsoft
    Mouse Pad ASUS
    Headset/Speakers Sony
    OS Windows 11 Insider Preview 25284.1000
    Network RouterD-LINK
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    New build PC need under motherboard fan indeed. Since GPU card being longer and longer. Not only size did matters it weight also heavier.

    Next you'll need PC case that support Dual PSU 1200W above on Diamon Rapid Era (Post Granite Rapid XEON 2024) with TDP only CPU being 350Watt TDP at stock.
    The RTX Ada Loveless RTX 4090Ti on next year require at least 850watt TDP at stock. NVIDIA Hopper RTX 500 Series require at least 950Watt TDP at stock.

    From those trend you'll need lower 3 x 120mm FAN at the buttom of the board indeed.
    Microsoft Windows 11 Insider Preview Build 25284.1000 Intel Core i9 7980XE 2.6 GHz 020006E05 Microcode ASUS RAMPAGE VI EXTREME MODDED BIOS 3701 SAMSUNG ODESSEY G9 FIRMWARE 1017.0 NVIDIA RTX 4090 24GB GDDR6X 256GB GSKILL DDR4 16-18-18-36 3200MHz SAMSUNG EVO 970 PLUS 1 TB x 3 HARMAN JBL 9.1 Sound Bar DOLBY ATMOS 9.1

  10. #50
    ROG Member Array PauloPanda PC Specs
    PauloPanda PC Specs
    MotherboardASUS Z690-E Gaming WIFI
    Processori9-12900
    Memory (part number)Corsair CMK32GX5M2B5600C36 x 4 pieces
    Graphics Card #1RTX3070TI
    Sound CardCreative Katana V2
    MonitorSamsung 32" UH850 UHD Monitor (4K)
    Storage #1Samsung SSD 970 EVO Plus 2TB
    Storage #2Samsung SSD 970 EVO Plus 2TB
    CPU CoolerASUS ROG RUYJIN 2 240 AIO
    CaseCooler Master Master Box CM694
    Power SupplySeasonic Prime TX-850W
    Keyboard Razer Black Widow Elite
    Mouse Razer Naga Hex V2
    OS Windows 11
    Accessory #1 Stream Deck XL

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    Have a ASUS ROG STRIX Z690 GAMING-WIFI motherboard. After adjusting the voltage in the BIOS and the Power Saving to Maximum in Windows 11, I got the following temperature for PCH (i.e., from 65C to current 54C).

    Click image for larger version. 

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    Should I proceed to remove the plastic cover in the PCH heatsink, replace the thermal pads and tighten the screws to achieve an even lower temperature? Or should I just stop here?

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