Baffled! A7N8X -Deluxe Rev 2, BIOS does not show power/chassis fan speed but asus probe shows it in reverse

unbiased

Senior member
Nov 17, 2002
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My mobo rests in an Antec Sonata Case.The chassis fan is not connected to the mobo but directly to the power connector.

I initially connected the lead of my power fan to the connector shown in the manual for this purpose.Then BIOS hardware monitoring system used to show power fan speed but asus probe used to show chassis fan speed(same speeds)

I thought probably I had connected to the wrong connector and therefore connected my power fan lead to other connector marked as for chassis fan.

Now bios Hardare monitoring showed neither power nor chassis fan speeds but asus probe showed power fan speed.

Again changed back to the original.But now Bios doesn't show either of the two but asus probe shows chassis fan speed.

I am BAFFLED.What may be the reason? Please help!
 

Buz2b

Diamond Member
Jun 2, 2001
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Ok, giving you the benefit of the doubt (since you have 147 prior posts), I will assume that you were a victim of the infamous "double post" problem. Unfortunately, in your case it seems to the the quadruple + posting problem. At any rate, let's get to the problem at hand. Oops! I'm sorry, but that wasn't clear enough. Try again. Are you saying that the chassis fan and/or the power fan are not showing up in the BIOS, and/or the ASUS monitoring program?
Here's the bottom line; if the fan is connected to the MB, the MB/BIOS should give a readout on it. If you connect it directly to the power supply, then there is no way that the BIOS will give readings on it. in all cases I can think of. Is this what you are experiencing?
 

unbiased

Senior member
Nov 17, 2002
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First let me make my apologies for double/quadruple posts.Just was not sure of the first post.

Buz2b I will try to make the thing as clear as possible , please try to answer my question without holding my quadruple post against me.Thanks in adavance.

INITIALLY:

With power fan lead connected to power fan connector on the mobo (as shown in the manual)and chassis fan connected directly to power connector-

BIOS hardware monitor showed:
Power fan speed(PFS)=1500 RPM,Chassis fan speed(CFS)=0

ASUS probe showed:
PFS=0,CFS=1500 RPM

LATER:

When I connected the PF lead to CF connector on the mobo(as shown in the manual) , thinking that probably the manual is showing wrongly.

BIOS Hardware Monitor showed:
PFS=0,CFS=0

ASUS Probe showed:
PFS=1500 RPM,CFS=0

NOW:

I connected back the PF lead to PF connector(as shown in the manual).

BIOS Shows:
PFS=0,CFS=0

ASUS probe shows:
PFS=0,CFS=1500 RPM

I hope something comes out of this.


 

Buz2b

Diamond Member
Jun 2, 2001
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I wasn't necessarily "holding" the multiple post thing against you. I was in fact mentioning a growing problem with AT (unwanted double posts) and assuming that since you weren't exactly a noob, this must have been at least part of what caused your troubles posting.

Now, as to the problem at hand, there are several factors that are to be considered. First, the fans themselves must have rpm monitoring capability and the extra wire needed for this. Usually it is yellow. Next, the BIOS and ASUS probe may have low rpm limits. Essentially that means that they might not read anything below a certain level rpms. Also, I am not sure of the reliability of ASUS Probe. A few years ago it had some "quirks" and wasn't the most reliable of utilities. That may not be the case here but I mention it in passing as a possibility.
Have you tried MBM5? That is Motherboard Monitor 5. It is a good utility that just works; period. I am not saying that this will solve your problem, merely suggesting it as a way to confirm your readings (or lack of) with a differenct utility.
Make sure your fans have rpm monitoring capability and also check to see what the rpm limitations are in ASUS Probe and your current BIOS. You may have to do some emails for the latter. Oh, and if your fans are not connected to the MB, the BIOS can not read the rpm's. Unless they've added some different fuctionality, neither will ASUS Probe. So anything connected directly to the Power Supply leads will not show up.

Edit:
Just reread your post (for the fourth time) to see if there was some consistancy with your problem. Two things: What kind of "chassis" fan do you have. What is it's rated speed? Second, remember that if it ain't connected to the MB, it won't show up in either place. ASUS Probe reads through the BIOS, if I remember correctly. But, you still have to "tell" ASUS Probe what to monitor correctly.
I hope this clears things up for you a bit. There are some other incidental factors that could be involved but probably not in this case.
 

unbiased

Senior member
Nov 17, 2002
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hey buz2b! Thanks fella! for your patient and detailed response.And Hiyall.
Now I am afraid I will have to inconvenience you a little more as I live in a place where there is not a soul within 100 kms who can give me the answers to even such seemingly simple questions, so the forums are the only options for me.

You have guessed right .I am not exactly a noob but have remained a noob longer than usual.

Any way, coming to the crux of the matter, I am aware that the reading shown by the ASUS probe is wrong (which means that it is in reality showing PS fan speed under the head of chassis fan speed, because I know that the Chassis fan speed can not be shown unless connected to mobo with a capacity to do so) but what is intriguing is that BIOS doesn't show either of the two speeds.

as you mentioned, ASUS detects through BIOS.Then how is it showing without BIOS's showing it?Initially the bios used to show it.

BTW I failed to mention that my system is OCd a little.I had also updated the firmware of my ASUS 52X CDRW while the system was OCd.Can this have any bearing on the results?One fellow on another forum suggested to set BIOS back to defaults but that too didn't bring any indication in BIOS of PS fan speed.

I had already gone through all the settings and low RPM limits etc before posting the question.Although teh thing has no adverse affect on the system performance, it has baffled me as i mentioned before.

Will you or some other kind guy be willing to put forward any more suggestions?

Thanks in adv.
 

Buz2b

Diamond Member
Jun 2, 2001
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Because of this type of communication, this is difficult at best but we shall give it a try. Please, please, do not take offense if I sound like I am "dissing you" or making things sound simplistic. I just want to make sure we are on the same page, talking about the same things. In that way, we should be able to figure things out. Otherwise I/we have to keep guessing. Heck, sometimes I'm pretty dense and have trouble understanding when it's right in front of me. Hang in there. We'll figure it out though.

First, when you say PS fan, please define to me what that fan is? In most cases, when someone says PS fan, we think Power Supply Fan. One that is physically inside the Power Supply. I'm thinking this is not what you mean. I could be wrong though. Just tell me the exact location of the fan and what it does (or is pointing at). Bear with me if this sounds simplistic but it will help a great deal. Heck, I'm assuming that the Chassis fan is a case fan but if not, please clear that up. BTW, when I say Case Fan, I mean one that is attached to the case who's purpose is to provide ventillation (in or out) for the system.
Now, as to the fan connections, lets clear up a couple other items. When I say "MB connection", that means the fan is connected directly to the Motherboard. A Power supply connection means that the fan connects directly to a wire lead from the Power Supply and does not connect in any way to the Motherboard.
I am aware that the reading shown by the ASUS probe is wrong (which means that it is in reality showing PS fan speed under the head of chassis fan speed, because I know that the Chassis fan speed can not be shown unless connected to mobo with a capacity to do so) but what is intriguing is that BIOS doesn't show either of the two speeds.
This is pretty confusing to me but I think the best answer I can give you is that it is a combination of events mentioned in my previous post; no fan monitoring on the fan, and/or too low speed, and/or wrong setup of the ASUS Probe program and/or a combination of all of those. The best thing to do is keep it simple and go step by step. I'll get to that later.
Then how is it showing without BIOS's showing it?Initially the bios used to show it.
ASUS Probe reads through the BIOS but it doesn't "show" the same things. In other words, the BIOS and the ASUS Probe program BOTH read the same information but they don't necessarily BOTH give you the information in a similar or concise manner. Just another one of those "fun" things.
BTW I failed to mention that my system is OCd a little.I had also updated the firmware of my ASUS 52X CDRW while the system was OCd.Can this have any bearing on the results?One fellow on another forum suggested to set BIOS back to defaults but that too didn't bring any indication in BIOS of PS fan speed.
OK, OCing the system is not a big consideration here as yet. Updating the firmware on a CDRW would have no effect on this problem; so don't worry about it. Setting the BIOS back to defaults (no overclock) might have an effect but you seemed to say it didn't. So, where are we now?
Well, I would first set the BIOS back to defaults. Then I would ask that you answer some of the questions I asked above. I would also suggest that you connect your fans in the following manner: Any fan that is attached to the Heatsink on the CPU should be connected to the CPU fan connector on the Motherboard. Any other fan that you want to monitor (and is a fairly low speed fan) can be connected to another Motherboard connector. That can be called "chassis fan", "power fan", whatever. Just make sure it is not a high speed (would also be very loud) fan. Next, if you want to monitor these fans connected to the Motherboard, make sure that they are the type that have the rpm monitoring wire. After all that, reset your BIOS to defaults and see what is in the BIOS.
This is getting too lengthy so I will stop here. Another problem is that I am leaving town tomorrow afternoon and won't be back until Friday. I will ask a friend of mine here to "look in" on this thread, in case he can help further. If he, or anyone else for that matter, cannot help, I will look back in on this Friday evening. Good Luck and I will see you then.
 

unbiased

Senior member
Nov 17, 2002
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LOL! hahahaha!
Hey!this must be the first instance of a diamond member being chased out of town by a chronic noob.I am surely going to advertise among my friends that my stupid questions so rattled a diamond member that he had no recourse open but to leave town.Oh my what a corker!Hahaha!

Just joking.The following is the info you asked

By PS Fan I mean Power Supply fan inside the power supply.It is connected to the socket on mobo.
By Chassis fan I mean Case fan.It is connected to a molex connector as recommended by Antec(while OCing)
For better idea, best will be to call up info on Antec Sonata Case.(I would have given you a link for it if I new how to give one,BTW how does one provide a link in the message-You see ,a noob still)
Hope to get some enlightenment.
 

Buz2b

Diamond Member
Jun 2, 2001
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You can't run me off that easy! LOL!

Ok, a hard and fast rule is that none of those fans that are connected directly to the Power supply, in any fashion, will be monitored by ASUS Probe or the BIOS. The BIOS will monitor a fan from (usually) three locations; CPU fan, Power fan and chassis fan. However, it will only do so if three things are present; the extra wire (rpm monitoring) on the connector from the fan, the fan that generates enough rpm's to meet the BIOS minimums and of course the fan must be working properly (obviously). Problems can arise if you attach a high speed fan to the MB that draws more power than the MB can handle. If this happens, you may "burn out" that plug on the MB.

Now, as to what is showing and what is not, I would suggest that you should start from scratch. First, is the Heatsink Fan a fan that meets the requirement to be monitored, is it hooke up to the MB CPU connector and does it show in the BIOS? Next, plug in just one (again, one that meets the above requirememts) fan into ONE of the other remaining MB connectors. Look for that fan in the BIOS. If it shows, shut down and move it to the other port on the MB. Check the BIOS for that one. By that time you should have an idea of what is what.

I hope.
 

unbiased

Senior member
Nov 17, 2002
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Thanks Buz
I think I have got enough info based on which I can make a decesion.I would first reset my bios by reset jumper.(Isn't setting bios defaults equivalent to clearing CMOS?).Which one is preferable?

Then if I still do not get the indication I will try flashing my bios.(for the first time in my life-but the guys on the forums make it sound as if it is all in a day's work for them so I will take the plunge too)

If still I won't get the indication 'I WILL BE BACK'

BTW you didn't tell me how to provide link in the message.

Sorry to have bothered you for so long but I have already mentined the reasons.
 

Buz2b

Diamond Member
Jun 2, 2001
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unbiased,
Tread carefully into the BIOS flashing. Yes, it is not really a big deal but one mistake can screw things royally. To that end, I would recommend that you download (or copy and paste into a document), the exact instructions on how to do this. Then I would ask that you go step by step with those instructions. Do the homework. It is what I always do and I haven't had a problem with this procedure yet. Do not, at any time, get impatient and shut down the system. If you do, you will be screwed. Yes, BIOS flashing is not difficult. It also can shut down your MB if you make a mistake. Oops!

As to your questions: Resetting the BIOS defaults vs clearing CMOS? Not the same. Setting the BIOS to defaults just turns a dial to a different setting. Clearing the CMOS flips a switch. That is the best way I can describe it. Look at it as a dimmer switch vs. an On/Off switch. Resetting the BIOS is a different setting on the dimmer switch. Clearing the CMOS turns the switch off, then on again to reset things. Hopefully that will explain things.
BTW, clearing the CMOS will mean that you have to go through and redo your settings in the BIOS. This would mean your CPU, RAM, PCI, etc. Your system will be running at very basic settings. Your CPU will most likely be running slower than it is rated. If you do not have a good understanding of the BIOS, I would recommend you first go through and write down all your current settings, so that you can at least bring things back to that point. And then, I would recommned that you this site (if it doesn't take you there, scroll down to the "Free" version), for a comprehensive explanation of what the BIOS settings do. Which brings me to your last question; how to post a link. Ok, there are two basic ways to provide a link in Anandtech. (There may be more but we will deal with those for now) The first is copying and pasting the URL or Address in Internet Explorer into your message. What that involves is first going to the page you want to link to. Then click once in the "Address" bar of IE (which will highlight the entire address). While your cursor is still in the address bar, right click and then select (with a "regular click"), Copy. Now you can go into your message or reply on Anandtech, get to the point where you want to show a link and then Right Click and select Paste. The entire address will appear then. HOWEVER, this is not the desired result as it will just put a line of "stuff" like http://forums.anandtech.com/message...messid=12575597&STARTPAGE=1&parentid=12575597 Understand that users can then copy and paste that address into their own address bar and get to the page desired. However, that is not the real answer to your question; just an option. To get to the point where you actually provide a link is just as simple. Do the same, Click, Copy as I described above. However, instead of right clicking and pasting it into your message or reply, click on the fourth item (down the line) under "Message Text", which is "http" (with a symbol). Not the "https" (with a symbol), just the singular; http. That will bring up a box that will have "http://" highlighted. It will say "URL for the link". At this point you can do one of two things. If the last thing you did prior to clicking on this was to copy the URL, you can just click Ctrl-V, which will Paste the URL (address you copied) into the box. Or, you could right click on that highlighted text and select "Paste". That would do ths same. After that, click on the "OK" button. Then you will see the same box with a different question. Instead of "URL for the Link", it will say "Text for the link" and the word Text will be highlighted. From there just type in the name of your link or the wording you wanted to use. Trust me, it sounds a LOT HARDER than it is. Do yourself a favor and open up more than one IE page; one for Anandtech and one for the page you want to link to. That makes things much easier. Do not make the one mistake that we all have at one point or another. Do not click into the box with the highlighted "http://" more than once and the either type the address or paste it. What you will end up with is (as an example) "http:// http:// yahoo.com" which will not work. While the text is highlighted, the easy way to do it is click on Ctrl-V or right click-Paste.

And BTW, you have not "bothered me for so long". We have all been there and done this. We've all been in situations where we need knowledge and rely on others to provide it. If I have seemed impatient, forgive me. I will help you as much as I can. I wish you luck!
BTW, you could always enable your PM's (Personal Messages) by going to the Profile Link near the top right side of the page. Some feel more comfortable after a bit going to PM's when asking more questions. I am not suggesting you need to do this, just telling you of an option. I will continue to monitor this thread.
 

unbiased

Senior member
Nov 17, 2002
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Oh!Wow! Thanks a million for such detailed responce with picturesque explaination.I am providing a link for antec sonata case just for testing the link and for you to see SONATA's case fan/PS fan arrangement.
Test Link
I think I will be able to handle CMOS clearing etc.I have done it many times and have made the settings of the bios myself, so no probs there too. Now that I have the chance to do bios flashing I also want to do it because it will at least get the fear of bios flashing out of my system(not the computer system).You see I am a self styled 'Tinkerer' in the land of 'Users'. Here if you merely talk about bios setting changes,let alone bios flashing, you will get frowns of non-comprehension from 90% of the folks and the rest 10% will give you frowns of warning.
My mobo has 1005 version bios(A7N8X deluxe Rev2).In case I decide to flash bios(ofcourse with all the precautions you mentioned) which will be the best version?
And I should mention here that I think you have provided extraordinarily advice with extrordinary patience and datail.I am really overwhelmed.Thanks again.
 

Buz2b

Diamond Member
Jun 2, 2001
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Congrats, your link worked fine. I took a look at that case on a different site a few days ago before my last post. To the questions: It looks like the 1007. BIOS is the most current. It is for the "A7N8X Deluxe BIOS C1007 for PCB revision 2.0 and later only." That's where you have to be careful. Make sure you download the correct version for your MB revision (rev. 2). The wrong one could kill your BIOS. Also, you should take a look at section 4.1 (page 39) of your manual. There are complete instructions there for updating the BIOS. I'm a big fan of following instructions to the letter when doing a BIOS flash. Important to note that you also have the flash utility (AwardFlash NOT AFlash) on your install CD that came with the MB. To do the Flash, just make sure you go through things, step by step. Make a bootable floppy. Download the BIOS and extract (if necessary) to a floppy. Extract the AwardFlash to the floppy also. Write down the EXACT file name ( a .bin file) of the new BIOS. And so on, and so on, and so on........! I didn't read your entire menu so not sure of this but if you have a different update procedure such as one that works in Windows, I would recommend against using it. Do it the "old fashioned way."
 

unbiased

Senior member
Nov 17, 2002
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buz2b
I cleared CMOS but no indication of PS fan/Casing fan still.I am now gearing up for the bios flash.On some fo the forums(for instance overclocker's .com) people have mentioned that 1006 version is superior to 1007.What is your opinion?
BTW what is the difference between extractiing and copying?
 

Buz2b

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Jun 2, 2001
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Haven't researched the difference in the two BIOS but will. Possibly there are some stability problems with the newest version. That sometimes happens if a BIOS is released before thorough testing but again, that may not be the case. You could always try 1006 version first, then go to 1007 later.
Extracting is (for example) clicking/opening a zip file that starts a process where the zip file "creates" the information you wanted, to a specified location. Let's say the flash program is a zip file. Having copied that to a floppy would do nothing. There is no flash program; only a zip file containing the flash program. However, if you double click on it, it will start a sort of mini program that will build the flash file in a specified location; such as a floppy.
Copying is just that. You might have a flash program that is not a zip file; just a program in itself. In that case you would just copy that program over to a floppy.

So, if you download something that is a zip file, you have to activate it in order to extract it's contents. I haven't looked at the files you need to see if they are zip files or not. Usually the BIOS is a ".bin" file that can be simply copied to the floppy. I'm not sure about the others. I've had them both ways before. I'll try to take a look soon, in case you have questions or problems with this though.
 

unbiased

Senior member
Nov 17, 2002
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Thanks buz2b
I had suspected as much(about the extrction vs copying thing) but needed real affirmation.
So now I have downloaded bios version 1006.Yes it was a zip file.I have extracted it and found the .bin file.Made a bootable floppy,copied the awardflash utility and bios file to it.
Now it says in the manual to first copy the awdflash and bios.bin file to C:\, then boot from the floppy and run awdflash from C:\.
Is it necessary to do so? Can't it be done directly from the floppy?
 

Buz2b

Diamond Member
Jun 2, 2001
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Is it necessary to do so? Can't it be done directly from the floppy?
Well, after looking at your manual and doing a bit of looking on another forum, I came to the conclusion that you should just follow the manuals advice and run the flash from the hard drive as is outlined. Yes, you should be able to do the same thing from the floppy but the procedure will be different. The procedure oulined in the manual seems pretty easy and straight forward. I'd try that first.
 

unbiased

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Nov 17, 2002
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one more thing.How much time does it take for the flash to complete.I am asking this because my UPS has backup for about 15 minutes. I would like to be sure about the power failure situation.
 

Buz2b

Diamond Member
Jun 2, 2001
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Originally posted by: unbiased
one more thing.How much time does it take for the flash to complete.I am asking this because my UPS has backup for about 15 minutes. I would like to be sure about the power failure situation.

It shouldn't take more than a few minutes but I can't say exactly. The last time I flashed my MB, it took all of about 2 minutes at most. Just depends on the file and the flash program. Your UPS has more than enough time though; don't worry.