MPC800K usb and fan power control problem.

Hello all,
I own one of these MPC800K (K8M800 Via chipset...) boxes for one week now and since the first day I've always been surprised because both system and cpu fans were stuck to approx. 2100 rpm, whatever the cpu was doing. (Burning or not). It was a little noisy to my taste when just playing mp3 by exemple, so I tried yesterday to flash the mobo with what seemed to be the latest bios available. The board is reporting to be MS-7056, but when I browse MSI support pages, I can see that MPC800K is sometimes claimed to have 7056 or 6276 model motherboard. Confusing. When downloading bios, reference is made to 6276 mb on the download page, then inside the archive, bios file name is "A7056VMS.320". Even more confusing, but I made the choice to believe 7056 and 6276 are the same. (Can anyone confirm...?).
Flashing bios from one usb key ran perfectly, reboot ran perfectly, so did loading Windows (Home Edition). Oh, nice, it seemed to be my day of luck, because favor to this new bios (version 3.20, was running 3.13 before), cpu and system fans were now much more quiet when the cpu was not heavily loaded. Good. I love silence. Eh, but wait ! What the h... Where does come from this slight but really annoying hissing sound ? Seems to come from the inside of the box... You know, the kind of tipicaly electronical hissing sound, when some composant is subjet to some kind of stress. Then I noticed that the integrated card readers activity led was turned on but there wasn't even any card inserted. Abnormal. Trying to reboot. Ah, good. Led is now turned off. But there's still this annoying hissing sound, and... oh no, cpu and system fans are not quiet anymore, they went back to medium speed... Always.
Let's think. ... Let's try something. Shuting down windows, going to the bios, disabling USB integrated controler (because of the fancy behavior of the card readers led, obviously related to some kind of usb disorder, don't you think ?). Rebooting. Nice ! No more hissing sound, and fans control is now effective. Of course the bad news is that having disabled usb, I've no more usb ports working. Unfortunately, I need them.
Going back to the bios, re-enabling usb support, going back to windows, and playing with usb host controler in the device manager -> As soon as it is disabled, fan control is working perfectly. As soon as I re-enable it, automatic fan control is out of order again.
The choice is :
- functionnal USB ports but electronical hissing noises and no fan control
or
- fan control, no hissing noises, but no usb either.
Oh yes, I could always come back the old v3.13 bios. USB would be functionnal but I would lose automatic fan control and I would get rid of the hissing noises.
But :
1/ I would like to have fan control working !!!
2/ I did something I should not have done. (Guess what, I did not dump my old bios prior to flashing the new one, and there is absolutely no archive around the whole "googled" web.)
I also tried to install another version of windows to see how it would handle the situation. Well... I installed W2003 Server, and it's nearly the same mess : no fan control and hissing noise when usb enabled, but effective fan control and no more hissing noise when I disable "Standard enhanced PCI to USB Host Controler", and then a little surprise : usb ports are still working, but I lose 2.0 high speed, everything is falling to 1.1 full speed. (With XP Home, I had to disable VIA enhanced USB host controler, and then all usb support was off).
I think it's likely to be some kind of conflict between usb controler ressources and the way the mobo control the fans. Adress conflict, irq conflict ? I don't see how I could test since the bios doesn't let me change them in any way.
If someone has any idea to let me escape this bad situation, I would be *grateful*.
Maybe another release of the bios could help me ?

^
hmm, I have never hear of a USB controller making a hissing noise????
anyway try keeping usb controller enabled and disconnect the usb card reader. there should be a little cable that will enable you to disconnect the card reader. do you get a hissing noise with it disconnected?
eitherway I would think about return the system for another one. or warranty

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EtreCheck version: 1.9.15 (52)
Report generated August 30, 2014 at 6:56:41 PM EDT
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    iMac - model: iMac12,1
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    AMD Radeon HD 6750M - VRAM: 512 MB
        iMac 1920 x 1080
System Software: ?
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Disk Information: ?
    ST3120026AS disk0 : (120.03 GB)
    S.M.A.R.T. Status: Verified
        EFI (disk0s1) <not mounted>: 209.7 MB
        Untitled (disk0s2) / [Startup]: 119.17 GB (87.12 GB free)
        Recovery HD (disk0s3) <not mounted>: 650 MB
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Launch Daemons: ?
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    156 MB    SophosScanD
    152 MB    InterCheck
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    115 MB    SophosAntiVirus
Virtual Memory Information: ?
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    1.37 GB    Inactive RAM
    699 MB    Wired RAM
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    0 B    Page-outs

I'd start by getting rid of the following software responsible for these extensions.
Kernel Extensions: ?
    [loaded]    com.nvidia.CUDA (1.1.0) Support
    [loaded]    com.sophos.kext.sav (9.0.61 - SDK 10.7) Support
    [loaded]    com.sophos.nke.swi (9.0.53 - SDK 10.8) Support
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Use the uninstaller provided with the Sophos software. You can uninstall CUDA via the preference pane. Be sure you remove the com.nvidia.CUDA extension which is located in the /System/Library/Extensions/ folder. Not sure if Fan Control has an uninstaller so you will have to do it manually:
Uninstalling Software: The Basics
Most OS X applications are completely self-contained "packages" that can be uninstalled by simply dragging the application to the Trash. Applications may create preference files that are stored in the /Home/Library/Preferences/ folder. Although they do nothing once you delete the associated application, they do take up some disk space. If you want you can look for them in the above location and delete them, too.
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Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
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Repair
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Reinstall Lion, Mountain Lion, or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
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I’m considering helping with the heat issue by getting a Targus 2 fan laptop chill pad. On sale at walmart.com for about $16 + shpg.
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I am a graduate student and I spend most of my time in my office (shared with other people) and in the library. The level of fan noise this machine generates will certainly disturb me and my colleages.
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(1) What is happening in speedstep? Why "low" and "lowest" are the same? And why "adaptive" can achieve a clock speed and multiplier lower than "lowest"?
(2) Fan problem, as noted above. It is a pity that we have to turn to a 3rd party program to solve the fan noise problem. Lenovo should add more flexible fan control functions to Power Manager.
(3) How can I set my fan to run at a speed between off and 3207 rpm? I am using tpfancontrol to set my fan level to "1" when the CPU temperature reaches 55C, and off below that. What happens is that: 0 rpm -> heat builds up -> 55C, 3207 rpm -> after 10 seconds, cooled down -> 0 rpm -> heat builds up -> 55C, 3207 rpm ...and so on. The 3207 rpm is certainly no a pleasant sound in a quiet room.

If you have read my post on TPF you should know that I have already tried NHC and no it doesn't work. It can't even recognize the correct clock speed due to the fact that it cannot recognize the change in Bus Speed.
No there is no any Intel utility to control the speedstep. Power manager is a Lenovo Thinkvantage program and as I reported above, the "low" and "lowest" seem to be exactly the same, neither of them can reduce the multiplier to 6.
The reason why I am posting here, after getting no reply at TPF, is that apparently I have tried all the popular 3rd party softwares and none of them can solve my problems. It seems to me that the speedstep and fan problems require a BIOS update or an update to the power manager (or even a fan upgrade?), which I believe is something beyong the reach of a normal thinkpad user. Since this is the official forum of Lenovo, I am hoping that someone from Lenovo can answer my question and provide official solution, rather than asking me to try yet another 3rd party software that doesn't solve my problem.
At least I would expect a person from Lenovo can explain to me why the "low" setting seems exactly the same as the "lowest" setting, if it is not bugged.

I have pluged a portable battery to the USB and my macbook pro stopped working after that, right before it shut down there was a message on the screen that said something like " USB device is withdrawing so much power, please disconnect and connect again?

I have plugged a portable battery to the USB and my macbook pro stopped working after that, right before it shut down there was a message on the screen that said something like " USB device is withdrawing so much power, please disconnect and connect again?
if the device I connected have caused this, shouldn't the macbook itself have some type of protection that should prevent this from happening.
because when I took it to an apple certified maintenance shop, the guy said that now it could only run while connected to the power. it won't run on batteries. and that I have to change the motherboard.
can I just replace the damaged part only, would apple consider this as a design issue and they could pay for it, or should I just buy a new motherboard for 800$.
Help.

BB1B2,
The problem is in finding a tech shop that will/can do board level repairs on Macs. They are few. And I certainly wouldn't spend $800 on a new logic board - I would replace the computer if I had to pay that much!
You could call around to a few repair shops and see if they feel competent to isolate the problem and do a board level repair - but I'm afraid, in the end, that your search will be futile.
Sorry,
Clinton

My kid just got an iPod 5th gen (today from Santa) and it won't power up or charge. The only response is when I connect the USB and press the power button or front button the Battery appears with red line and lightning symbol. No other response at all.

Sorry about the long title.....its my first post.
My kid just got a brand new iPod 5th generation (today from Santa) and it won't power up or charge. The only response is when I connect the USB and press the power button or front button the Battery appears with red line on left and lightning symbol below. There is no other response at all no matter what I do, including holding both buttons down for extended period. My other kid got one and it works perfectly.....I have interchanged usb cables ports etc. but still no response....I would really appreciate any help.

Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Make an appointment at the Genius Bar of an Apple store since you have a hardware problem with the iPod. This is because as you said the same cable works with another iPod.
Apple Retail Store - Genius Bar

Monitoring 3750x and 3560x Redundant Power Supply and Fans

I need help for monitoring the redundant power supply of my switches (3750x and 3560x)
I have configured my snmp on my switches and is able to monitor interfaces, temperature and etc.
The problem is when I am monitoring the redundant power supply and fans.
I am using two Cisco C3KX-PWR-350WAC Modular Power Supply per switch.
The OID I use to monitor the PSU are the following:
Power Supply 1
.1.3.6.1.4.1.9.9.13.1.5.1.3 Instance: 1003
Power Supply 2
.1.3.6.1.4.1.9.9.13.1.5.1.3 Instance: 1004
When I do an SNMP walk, the value is showing (1) which means normal.
When I simulate a power outage on power supply 1 or 2 by unplugging the power source, the value doesn't change and is still (1).
Values: normal(1), warning(2), critical(3), shutdown(4), notPresent(5)
As for the Fans:
When I remove the fan module, I am able to get a notification that the fans are down, but when I plug back the fan module it is now using a different instance.
Below is my config for SNMP:
snmp-server community XXXXXXXXXXXXXX RO
snmp-server location XXXXXX
snmp-server contact XXXXXX
snmp-server chassis-id Cisco3560X
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps transceiver all
snmp-server enable traps tty
snmp-server enable traps license
snmp-server enable traps cpu threshold
snmp-server enable traps syslog
snmp-server enable traps vlancreate
snmp-server enable traps vlandelete
snmp-server enable traps port-security
snmp-server enable traps envmon fan shutdown supply temperature status
snmp-server enable traps errdisable
snmp-server enable traps vlan-membership
snmp-server host X.X.X.X version 2c XXXXXXXXXXXXXX
Note: This problem is the same for all of my 3560X switches and 3750X switches. I am not sure if I am monitoring the wrong OID.
Thanks in advance

Hi ,
You are running an old IOS code , definitely you are hitting a BUG .
there is no workaround or I would say unfirtunetely you will not be able to get the correct power supply status via SNMP.
you need to use command line for this.
I mean "show env all "
**** if you want to know the Excat BUG that your code is hitting ,please contact TAC.
Thanks-
Afroz
**Ratings Encourages Contributors ****

MPC800K usb and fan power control problem.

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