ATI Radeon HD 4850 Fan Speed Workaround Posted

malware · Jun 30, 2008

If you own one of the latest ATI Radeon HD 4850 cards and you're not satisfied with the reference single slot cooling and more specially with the temps you're getting in both idle and load, here's a quick workaround which might help you until better solution is available. A Guru3D forum member has found that if you make a profile in catalyst after turning on Overdrive, you can then edit it and manually change the fan speed. All steps to make it work are written here. Here's also a direct link to the full Guru3D thread. I'm not exactly sure, but this workaround should also work with ATI Radeon HD 4870 cards.

View at TechPowerUp Main Site

erocker · Jun 30, 2008

It works with HD 4870.

dark2099 · Jun 30, 2008

I have to give props to erocker for finding this first, but nice to see it get a link on the front page. Now only if I had a motherboard to test it myself on.

WarEagleAU · Jun 30, 2008

Fantastic. Hopefully when I get mine, I wont have to use it (on the 4870 that is)

wingfoot1 · Jul 1, 2008

i dont know

for some reason i cant find the users folder could someone help thanks

crow1001 · Jul 1, 2008

Cheers for this info, my brother just got the 4850 and he was worried about the temps as they were hitting mid 90's with low the default fan speed, this should do wonders for his temps. :toast:

Silversmaker · Jul 1, 2008

Temp.s are way to high

What I want to know is how is AMD/ATI going to sell a card with such an obvious flaw. They say it is normal for it to do that. You shouldn't have to mod something at its core clock. Shame on you AMD/ATI.:shadedshu

erocker · Jul 1, 2008

wingfoot1 said:
for some reason i cant find the users folder could someone help thanks

The files are probablly hidden, you have to make XP show the hidden files.

Silversmaker said:
What I want to know is how is AMD/ATI going to sell a card with such an obvious flaw. They say it is normal for it to do that. You shouldn't have to mod something at its core clock. Shame on you AMD/ATI.:shadedshu

There is no flaw. The card is designed to handle the temperatures, and AMD/ATi have been known to set thier fans on the quiet side. It's not hard to set your fan higher if that's what you choose to do. You don't have to do a mod at it's "core clock".

Silversmaker · Jul 1, 2008

There is no flaw. The card is designed to handle the temperatures, and AMD/ATi have been known to set thier fans on the quiet side. It's not hard to set your fan higher if that's what you choose to do. You don't have to do a mod at it's "core clock".

I assume that some people would put heat before noise lvls. I'm sure the card would last awhile with those temps. I just think that your card running at lower temps would be more important then a little noise. I guess I could be wrong. I have seen reports of peoples cards burning out on them. I'm hoping that was just cause they tried overclocking it and didn't know what they were doing. With temps that high and some cases with little airflow there might be some issues.

PVTCaboose1337 · Jul 1, 2008

My 4850 is much happier thanks to this guide!

Edit: After running this for a while... I can switch back and forth and when the fan goes on, it really says, "here I am, like a hurricane!" (at 65%) After a bit of tweaking, I like more around 40%.

Silversmaker · Jul 1, 2008

Temps

What are your temps looking like at 40%.

PVTCaboose1337 · Jul 1, 2008

sideeffect · Jul 1, 2008

Really nice tweak. I set mine to 50% and its just audible over my case fans. Idle temp went from 60 degrees down to 50 degrees. Load temp went from 80 degrees down to 60 degrees.

Both load tests were playing a windowed game. Its running cooler than the single slot x1950 pro I just upgraded from.

InnocentCriminal · Jul 1, 2008

I was just reading about this over at Hexus.net.

^^

Hey Side, you should really fill out your System Specification - go to your User Control Panel, should be in the left hand pane.

freakshow · Jul 1, 2008

my 4850 set around 41°C on idle slapped on some Artic Céramique and 55% on the fan thats even being OC'ed to 700/1135

PVTCaboose1337 · Jul 1, 2008

The real reason why my temps are @ 60c is because the ambient temperature is about 85f in my room so...

Jejking · Aug 25, 2008

Anyone tried this on a HD38xx-series? I hope I can kill my fan with this tric actually!

Processor	Intel Core 2 Quad Q6600 G0 VID: 1.2125
Motherboard	GIGABYTE GA-P35-DS3P rev.2.0
Cooling	Thermalright Ultra-120 eXtreme + Noctua NF-S12 Fan
Memory	4x1 GB PQI DDR2 PC2-6400
Video Card(s)	Colorful iGame Radeon HD 4890 1 GB GDDR5
Storage	2x 500 GB Seagate Barracuda 7200.11 32 MB RAID0
Display(s)	BenQ G2400W 24-inch WideScreen LCD
Case	Cooler Master COSMOS RC-1000 (sold), Cooler Master HAF-932 (delivered)
Audio Device(s)	Creative X-Fi XtremeMusic + Logitech Z-5500 Digital THX
Power Supply	Chieftec CFT-1000G-DF 1kW
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Processor	AMD Ryzen 7 7800X3D
Motherboard	ASUS TUF x670e-Plus Wifi
Cooling	EK AIO 360. Phantek T30 fans.
Memory	32GB G.Skill 6000Mhz
Video Card(s)	Asus RTX 4090
Storage	WD/Samsung m.2's
Display(s)	LG C2 Evo OLED 42"
Case	Lian Li PC 011 Dynamic Evo
Audio Device(s)	Topping E70 DAC, SMSL SP200 Amp, Adam Audio T5V's, Hifiman Sundara's.
Power Supply	FSP Hydro Ti PRO 1000W
Mouse	Razer Basilisk V3 Pro
Keyboard	Epomaker 84 key
Software	Windows 11 Pro

System Name	Everchanging
Processor	AMD Ryzen 9 5900X
Motherboard	ASUS ROG Crosshair Dark Hero
Cooling	Arctic Cooling Liquid Freezer 2 420mm
Memory	2x16GB Corsair DDR4 3600 CL16
Video Card(s)	eVGA RTX 3090 Ti FTW3
Storage	Samsung 980 Pro 256GB, Samsung 980 Pro 2TB
Display(s)	2xSamsung 28" 4k HDR 144Hz
Case	Fractal Meshify 2 XL
Audio Device(s)	fiio K9 to Hifiman Sundara's via 4.4mm balanced cable
Power Supply	Seasonic Prime TX 850w
Mouse	Corsair Harpoon Wireless RGB
Keyboard	Corsair K70 RGB PRO
Software	Windows 11 x64

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Memory	32 GB Geil EVO Portenza DDR4 3200 MHz
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Storage	WD 250 M.2, Corsair P500 M.2, OCZ Trion 500, WD Black 1TB, Assorted others.
Display(s)	ASUS MG24UQ Gaming Monitor - 23.6" 4K UHD (3840x2160) , IPS, Adaptive Sync, DisplayWidget
Case	Fractal Define R6 C
Audio Device(s)	Realtek 5.1 Onboard
Power Supply	Corsair RMX 850 Platinum PSU (Newegg Eggxpert)
Mouse	Razer Death Adder
Keyboard	Corsair K95 Mechanical & Corsair K65 Wired, Wireless, Bluetooth)
Software	Windows 10 Pro x64

Processor	Ryzen 5 5600X
Motherboard	Asus Strix B550-F
Cooling	Noctua
Memory	16GB Team 3600 cl14
Video Card(s)	6800XT soon
Storage	Samsung 970 evo+
Display(s)	4k Samsung
Case	Lian Li PC-60FW
Audio Device(s)	Asus Xonar D2X
Power Supply	CORSAIR HX750W
Software	WINDOWS 10

ATI Radeon HD 4850 Fan Speed Workaround Posted

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