Asus MAximus/Voltage-Temps. HELP?!

By lokiperson ·
Hello all! Thank you in advance for any and all answers offered.

I have an ASUS Maximus Mobo in my 4 month old build. I have never had any alerts go off for PC Probe 2 (an asus Monitoring program, provided with the mobo), until today. Granted, PC Probe 2 is not constantly running, nor do I run it as often as once a week. Anyways, last night I decided to run PC P.2 for the 1st time since reinstalling XP(mainly because my AC is on the fritz, and my ambient temp. in the room is in the mid 80's F.). Long stry short, and short question long: 1. Should the alarms for the "DRAM" (?) and "DRAM REF" (?) voltages be going off along with the temperature alarms? Meaning is there a direct correlation between the two? I have read that PC Probe 2 is a buggy program and not very accurate also. In PC P.2, the "nominal" voltage values are DRAM=1.89v (Reading a 2.22v); and DRAM REF (not sure what Dram REF is?)= .95v (reading 1.12v). And if there is a correlation, what can I do to rectify this ?

Also, can anyone link me to a temperature monitoring program that is as accurate as it can get? At least to run side by side and pinpoint the actual temperature problems, IF THERE ARE ANY? And/Or a program/link to also take a look at my voltages?

Below is SysInfo copied from DXDiag. (SP3 crashes my build for some reason, so for thetime being SP2 is it :})

Thank you all and anyone that will lend me a hand.

OS Name Microsoft Windows XP Home Edition
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Name PATRICK
System Manufacturer System manufacturer
System Model Maximus Formula
System Type X86-based PC
Processor x86 Family 6 Model 15 Stepping 11 GenuineIntel ~2405 Mhz
Processor x86 Family 6 Model 15 Stepping 11 GenuineIntel ~2405 Mhz
Processor x86 Family 6 Model 15 Stepping 11 GenuineIntel ~2405 Mhz
Processor x86 Family 6 Model 15 Stepping 11 GenuineIntel ~2405 Mhz
BIOS Version/Date American Megatrends Inc. 1201, 4/23/2008
SMBIOS Version 2.4
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)"
User Name PATRICK\pk
Time Zone Eastern Daylight Time
Total Physical Memory 2,048.00 MB
Available Physical Memory 1.48 GB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
Page File Space 3.85 GB
Page File C:\pagefile.sys

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All Answers

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A couple of things to try

by Jacky Howe In reply to Asus MAximus/Voltage-Temp ...

apart from testing is to add cooling fans or use a desk fan to try to bring the temperature down. See how you go with this and let us know how you get on.

Download Prime95.

Prime95 is used to put your system at full load. You want your system at full load when checking your voltages to ensure your PSU is up to spec. The whole point is to make sure your PSU can handle what your system asks of it. When it is installed run it and go to Options and run the Torture Test. Run the Inplace FFTs (Max Power, Heat and some Ram).
If your PC restarts during this test you have a faulty Power Supply (PSU) and it will need replacing.

Download SpeedFan and check the Voltages and Temps while Prime95 is running.

You will want your 12-volt rail to be within 11.52 to 12.48 during load. This means when you are running your cpu at 100% you do not want to drop below 11.52 or you may experience stability problems including but not limited to system restarts and Windows crashes. For the 5-volt rail, you want it to be within 4.8 to 5.2 to be within the 4% range. As for the 3.3 volt rail, you want it to be within 3.17 to 3.43

Check the memory.
Sometimes random lockups can be attributed to the computer memory starting to fail. You can test the memory by running Windows Memory Diagnostic that can be downloaded from If memory problems are found, try re-seating the RAM. If it doesn't work, replace the defective RAM.

Video Memory Stress Test 1.4

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Well the basic problem here is that the Temp & Voltage senors

by OH Smeg In reply to Asus MAximus/Voltage-Temp ...

Are part of the M'Board and these are not overly reliable. It's not so much the ASUS Probe being the problem here but the actual Sensors built onto the M'Board not being accurate as they could be.

As to the Alarms going off your answer is NO they should not be.

What Power Supply do you have fitted to this computer. It sounds as if it is going off and needs replacing.

If you want to see what is actually occurring here shut down open BIOS and look at the System Temps, Fan Speeds and so on there. If they are out replace the PS before it damages the M'Board, CPU, RAM and so on. Also fitting more case fans to the system will not hurt but you need a good working PS before you do anything else.


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temp increases resistance, and temp sensors are resistance-based

by $$$$$$$$$$ In reply to Well the basic problem he ...

One would think that these factors are predictable enough that one can be used to calibrate the other, but PSU standards would have to be drastically improved, or users would have to enter exact temps using a mercury thermometer.

Case fans might do the trick in this case, since we know ambient temp has suddenly increased. Cheaper than a new PSU, anyway.

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by lokiperson In reply to Asus MAximus/Voltage-Temp ...

I will try all of your suggestions. Sorry been so long since ?I replied. Thank you all!

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