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-   -   Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC case? (http://www.nvnews.net/vbulletin/showthread.php?t=199078)

ant 12-23-12 03:08 PM

Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC case?
 
Hello.

I have an old EVGA GeForce 8800 GT video card's fan in a brand new Antec Sonata Proto mid tower ATX case with two case 120mm case fans, MSI P43 NEO3-F (MSI-7514) motherboard, etc. See http://zimage.com/~ant/antfarm/about/computers.txt for the details for this secondary computer. Also, hardwares were cleaned last night from its dust pileups after about two years of usage.

I noticed this video card's fan goes to maximum speed (4,000 RPM) even when my computer is idling. I think its air flow is not good in this new case. I know my old MSI ATI Radeon 4870 video card (512 MB) blows its hot air in the rear, but this NVIDIA card doesn't. Is there a way to mod its cooler to blow out heat?

FYI for my system's sensors:
$ sensors -f
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +129.2F (high = +176.0F, crit = +212.0F)

coretemp-isa-0001
Adapter: ISA adapter
Core 1: +125.6F (high = +176.0F, crit = +212.0F)

coretemp-isa-0002
Adapter: ISA adapter
Core 2: +125.6F (high = +176.0F, crit = +212.0F)

coretemp-isa-0003
Adapter: ISA adapter
Core 3: +132.8F (high = +176.0F, crit = +212.0F)

f71882fg-isa-0a00
Adapter: ISA adapter
+3.3V: +3.30 V
in1: +1.14 V (max = +2.04 V)
in2: +0.86 V
in3: +0.94 V
in4: +1.10 V
in5: +0.89 V
in6: +0.72 V
3VSB: +3.31 V
Vbat: +3.22 V
fan1: 1138 RPM
fan2: 1075 RPM
fan3: 0 RPM ALARM
fan4: 0 RPM ALARM
temp1: +89.6F (high = +185.0F, hyst = +177.8F)
(crit = +122.0F, hyst = +114.8F) sensor = transistor
temp2: +98.6F (high = +185.0F, hyst = +177.8F)
(crit = +212.0F, hyst = +204.8F) sensor = transistor
temp3: FAULT (high = +158.0F, hyst = +154.4F)
(crit = +185.0F, hyst = +181.4F) sensor = transistor

adt7473-i2c-4-2e
Adapter: NVIDIA i2c adapter
in1: +2.99 V (min = +0.00 V, max = +2.99 V)
+3.3V: +3.25 V (min = +0.00 V, max = +4.38 V)
fan1: 3121 RPM (min = 0 RPM)
fan2: 0 RPM (min = 0 RPM)
fan3: 0 RPM (min = 164 RPM) ALARM
fan4: 0 RPM (min = 0 RPM)
temp1: +152.6F (low = +149.0F, high = +185.0F) ALARM
Board Temp: +136.4F (low = +68.0F, high = +140.0F)
temp3: +152.6F (low = +176.0F, high = +221.0F) ALARM


Thank you in advance. :)

Zapablast05 06-24-13 01:10 AM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
I don't think there's much you can do unless you want to get an aftermarket cooler, go liquid cooling, or get a couple of exhaust fans.

ant 07-02-13 08:49 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Quote:

Originally Posted by Zapablast05 (Post 2592218)
I don't think there's much you can do unless you want to get an aftermarket cooler, go liquid cooling, or get a couple of exhaust fans.

Ah OK. Sheesh, the weather has been crazy in 100F degrees and makes my room about 90F degrees! For an example, with that PC. Even its Antec case plastic feels hot on its top:

$ sensors -f
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +136.4F (high = +176.0F, crit = +212.0F)
Core 1: +131.0F (high = +176.0F, crit = +212.0F)
Core 2: +132.8F (high = +176.0F, crit = +212.0F)
Core 3: +138.2F (high = +176.0F, crit = +212.0F)

f71882fg-isa-0a00
Adapter: ISA adapter
+3.3V: +3.28 V
in1: +1.14 V (max = +2.04 V)
in2: +0.86 V
in3: +0.94 V
in4: +1.09 V
in5: +0.89 V
in6: +0.71 V
3VSB: +3.30 V
Vbat: +3.22 V
fan1: 1103 RPM
fan2: 1111 RPM
fan3: 0 RPM ALARM
fan4: 0 RPM ALARM
temp1: +96.8F (high = +185.0F, hyst = +177.8F)
(crit = +122.0F, hyst = +114.8F) sensor = transistor
temp2: +107.6F (high = +185.0F, hyst = +177.8F)
(crit = +212.0F, hyst = +204.8F) sensor = transistor
temp3: FAULT (high = +158.0F, hyst = +154.4F)
(crit = +185.0F, hyst = +181.4F) sensor = transistor

adt7473-i2c-4-2e
Adapter: NVIDIA i2c adapter 2 at 5:00.0
in1: +3.00 V (min = +0.00 V, max = +2.99 V)
+3.3V: +3.25 V (min = +0.00 V, max = +4.39 V)
fan1: 5304 RPM (min = 0 RPM)
fan2: 0 RPM (min = 0 RPM)
fan3: 0 RPM (min = 164 RPM) ALARM
temp1: +158.4F (low = +149.0F, high = +185.0F)
(crit = +212.0F, hyst = +208.4F)
Board Temp: +142.7F (low = +68.0F, high = +140.0F) ALARM
(crit = +212.0F, hyst = +204.8F)
temp3: +158.0F (low = +176.0F, high = +221.0F) ALARM
(crit = +242.6F, hyst = +235.4F)

Are my case fans not blowing hard enough from those RPM numbers? Note that these values are from mostly idled system with its monitor off and asleep from its power management).

Zapablast05 07-08-13 08:14 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Post your temps in Celsius lol. I'm not used to Fahrenheit when it comes to PC temps.

What are you using to monitor those temps and fan speeds?

ant 07-08-13 08:22 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Quote:

Originally Posted by Zapablast05 (Post 2592714)
Post your temps in Celsius lol. I'm not used to Fahrenheit when it comes to PC temps.

What are you using to monitor those temps and fan speeds?

Not too hot right now (80+F/26.6666... degrees). I use Linux's lm_sensors:

$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +58.0C (high = +80.0C, crit = +100.0C)
Core 1: +56.0C (high = +80.0C, crit = +100.0C)
Core 2: +57.0C (high = +80.0C, crit = +100.0C)
Core 3: +59.0C (high = +80.0C, crit = +100.0C)

f71882fg-isa-0a00
Adapter: ISA adapter
+3.3V: +3.28 V
in1: +1.14 V (max = +2.04 V)
in2: +0.86 V
in3: +0.94 V
in4: +1.09 V
in5: +0.89 V
in6: +0.70 V
3VSB: +3.30 V
Vbat: +3.22 V
fan1: 1102 RPM
fan2: 1116 RPM
fan3: 0 RPM ALARM
fan4: 0 RPM ALARM
temp1: +35.0C (high = +85.0C, hyst = +81.0C)
(crit = +50.0C, hyst = +46.0C) sensor = transistor
temp2: +43.0C (high = +85.0C, hyst = +81.0C)
(crit = +100.0C, hyst = +96.0C) sensor = transistor
temp3: FAULT (high = +70.0C, hyst = +68.0C)
(crit = +85.0C, hyst = +83.0C) sensor = transistor

adt7473-i2c-4-2e
Adapter: NVIDIA i2c adapter 2 at 5:00.0
in1: +3.00 V (min = +0.00 V, max = +2.99 V)
+3.3V: +3.25 V (min = +0.00 V, max = +4.39 V)
fan1: 3896 RPM (min = 0 RPM)
fan2: 0 RPM (min = 0 RPM)
fan3: 0 RPM (min = 164 RPM) ALARM
temp1: +74.0C (low = +65.0C, high = +85.0C)
(crit = +100.0C, hyst = +98.0C)
Board Temp: +64.8C (low = +20.0C, high = +60.0C) ALARM
(crit = +100.0C, hyst = +96.0C)
temp3: +73.5C (low = +80.0C, high = +105.0C) ALARM
(crit = +117.0C, hyst = +113.0C)

Zapablast05 07-08-13 08:30 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Wow. Your temps are pretty high... My CPU idling temp for Core #0 is 29C with a slight overclock and aftermarket cooling. My GPU temp 47C idle. How many intake and exhaust fans do you have? That could be the issue, maybe even dust or constricted airways. If you have fans blowing and sucking in every which direction, you'll create a turbulence inside the PC. So, ineffectively, the cooling will not really be cooling anything at all. Have you tried rearranging any wiring, fans, or dusting?

Edit: I'm using Everest to monitor my temps.

ant 07-08-13 08:44 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Quote:

Originally Posted by Zapablast05 (Post 2592718)
Wow. Your temps are pretty high... My CPU idling temp for Core #0 is 29C with a slight overclock and aftermarket cooling. My GPU temp 47C idle. How many intake and exhaust fans do you have? That could be the issue, maybe even dust or constricted airways. If you have fans blowing and sucking in every which direction, you'll create a turbulence inside the PC. So, ineffectively, the cooling will not really be cooling anything at all. Have you tried rearranging any wiring, fans, or dusting?

Edit: I'm using Everest to monitor my temps.

I will have to take a picture if I can. See my secondary (Linux) box's details shown in http://zimage.com/~ant/antfarm/about/computers.txt ... It's not crowded inside to me. Fans are all blowing, but I am wondering if my case fans are not blowing hard enough. I can feel some warm/hot air blowing out in the rear vents. Dusts? My hardwares were cleaned out about seven months ago when the issue started with a new case (read my original post).

FYI, so far. No crashes or weird behaviors/symptoms from the extreme 100+F/37.777...C degree heat wave (almost 90+F/32.2222222...C degrees in my upstair room from a few weeks ago.

Zapablast05 07-08-13 11:40 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
I took a look at what your set up is in that link. Scythe is an alright company. I used to use the Scythe Samurai. I wasn't too happy with it, so I upgraded to the Xigmatek S-1283. Anyways, I digress. Are your case fans intake or exhaust? Can they be upgraded to 120mm fans? I recommend having a one-for-one fan setup; Have one intake fan for every exhaust fan. I have 3 intake fans and 3 exhaust fans on my case. All are 120mm and I don't see temps anywhere near yours. My room can get up to 80F, even with the window and fan on. My back fan and two top fans are exhausts, then my front, bottom, and side panel fans are intakes.

ant 07-08-13 11:55 PM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Quote:

Originally Posted by Zapablast05 (Post 2592721)
I took a look at what your set up is in that link. Scythe is an alright company. I used to use the Scythe Samurai. I wasn't too happy with it, so I upgraded to the Xigmatek S-1283. Anyways, I digress. Are your case fans intake or exhaust? Can they be upgraded to 120mm fans? I recommend having a one-for-one fan setup; Have one intake fan for every exhaust fan. I have 3 intake fans and 3 exhaust fans on my case. All are 120mm and I don't see temps anywhere near yours. My room can get up to 80F, even with the window and fan on. My back fan and two top fans are exhausts, then my front, bottom, and side panel fans are intakes.

Most of my hardwares are old (12/27/2008) except the case and its fans. AFAIK, fans in the rear blow out warm/hot air. I think the front has vents to bring in cool air? See my case brand and model on http://www.antec.com/product.php?id=2376&fid=5 (two exhaust fans).

Zapablast05 07-09-13 12:14 AM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Everything I have in my rig is from 2008 except for my new GPU. I don't reach those temps at all, even under load with an OC. Have you tried replacing the thermal paste on your parts? I only see one fan on Antec's website for your case.

Zapablast05 07-09-13 12:19 AM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Also, if your expansion slot covers are removed, it's messing with your air flow. You want to make sure you have positive air pressure in your case. This link from Silverstone will help you to understand. Now that I look at it, I'm thinking about re-configuring my fans.

http://www.silverstonetek.com/techta...sitive&area=en

ant 07-09-13 12:26 AM

Re: Modding my old EVGA GeForce 8800 GT video card's fan to blow heat from the PC cas
 
Quote:

Originally Posted by Zapablast05 (Post 2592723)
Everything I have in my rig is from 2008 except for my new GPU. I don't reach those temps at all, even under load with an OC. Have you tried replacing the thermal paste on your parts? I only see one fan on Antec's website for your case.

I added another fan into the case for the second one. Lame, I know.


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