ASUS Probe "Exception EZeroDivide" Error

  • Thread starter Thread starter John Blaustein
  • Start date Start date
J

John Blaustein

Hi,

I just assembled a new system:

P4P800-E Deluxe
P4 3.0
Zalman CPU fan
2GB RAM
Antec SLK3700-BQE case w/Antec 350w PSU
Extra Antec case fan

The power fan and case fan leads are both plugged into the motherboard in
the correct places.

When I run ASUS Probe, I am getting a warning that the Power Fan is below
threshold. When first started, Probe shows the Power Fan at 18839, but then
shortly thereafter, it beeps and warns that the fan is at -23340. If I let
it continue beeping, Probe will shut down with this error:

Exception EZeroDivide in module AsmiTHFA.dll at 0000256b. Floating point
division by zero. When I click OK on the error window, it shows:

Exception EAccessViolation in module VCL35.bpl at 0000714C. Access
violation at 413071 in module "VLC35.bpl." Read of address 00A0114.

I have Q-Fan disabled in BIOS. Should I be using Q-Fan?

I downloaded the latest version of Probe -- 2.23.01 -- and get the same
behavior.

Any suggestions?

Thank you.

John
 
FALSE ALARM.... sorry...

I think I discovered why Probe was giving me the incorrect Power Fan
readings and therefore the errors. I had both the front and back case fans
attached to the same power connector (via a splitter that is attached to the
second case fan). After changing the connections, so each fan connects to a
different set of power leads, the Probe reading are now:

Power Fan: 1308
Chassis Fan: 1147

I assume those are correct readings.

My temps are:

CPU temp: 26c/77f
MB temp: 31c/87f

OK?

What about Q-Fan? Does anyone use it?

John
 
FALSE ALARM.... sorry...

I think I discovered why Probe was giving me the incorrect Power Fan
readings and therefore the errors. I had both the front and back case fans
attached to the same power connector (via a splitter that is attached to the
second case fan). After changing the connections, so each fan connects to a
different set of power leads, the Probe reading are now:

Power Fan: 1308
Chassis Fan: 1147

I assume those are correct readings.

My temps are:

CPU temp: 26c/77f
MB temp: 31c/87f

OK?

What about Q-Fan? Does anyone use it?

John
Click to expand...


CPU temp: 26c/77f ? Seems low in comparison to the MB?

ChrisH
 
ChrisH,

When I boot into BIOS Setup and check Power>Hardware Monitor, it shows:

CPU -- 34.5C/94F -- sometimes a bit lower
MB -- 23C/89.5F

Back in Windows, Probe shows:

CPU -- 27C/80F
MB -- 32C/89F

Clearly, one of the two monitors isn't reading the correct CPU temp.

Also, Probe is once again reporting the Power Fan as below threshold. It's
now flashing 0 (zero). I've checked and the fan is definitely running.
BIOS Hardware Monitor shows the fan speed at 1480 (+/-) in RED.

I wonder if I have a power supply problem. Comments?

John
 
John said:
ChrisH,

When I boot into BIOS Setup and check Power>Hardware Monitor, it shows:

CPU -- 34.5C/94F -- sometimes a bit lower
MB -- 23C/89.5F

Back in Windows, Probe shows:

CPU -- 27C/80F
MB -- 32C/89F

Clearly, one of the two monitors isn't reading the correct CPU temp.
Click to expand...

I would have said MB readings isn't right. You don't get a 9°C shift in MB
temp from nowhere, CPU is easy to get that shift in heat.

Perhaps the BIOS or probe adds in some calibration factor, and they're not
the same.
Also, Probe is once again reporting the Power Fan as below threshold.
It's now flashing 0 (zero). I've checked and the fan is definitely
running. BIOS Hardware Monitor shows the fan speed at 1480 (+/-) in RED.

I wonder if I have a power supply problem. Comments?
Click to expand...


I'm not sure I follow your reasoning.

Install MBM5 and report the temps then. Also use Prime95 Torture Test to
warm up the cpu for 5 mins, and then tell us the temps. Diode is most
important, not socket (this is motherboard specific).

You can also use it to check the min and max of fan speeds, voltages, and
temps... so that will help you with PSU diagnosis.

Ben
 
Thanks, Ben.

I downloaded and installed MBM5 and Prime95.

MBM after 5 min Prime95 torture test:

CPU: 102
MB: 91

5 minutes later...

CPU: 80
MB: 91

MBM refers to "Case," but I think that's the motherboard temp.

I have a Zalman CNPS7000A-AlCu CPU cooler on the CPU -- it's huge and that's
maybe why the temp sounds low to you.

John
 
Forgot to add...

MBM5 does not list my exact motherboard. I have ASUS P4P800-E Deluxe. MBM5
has P4P800 Deluxe. I'm not sure what the "E" even means, but I suspect it
would not affect how MBM5 sees my board.

John
 
John said:
Forgot to add...

MBM5 does not list my exact motherboard. I have ASUS P4P800-E Deluxe.
MBM5 has P4P800 Deluxe. I'm not sure what the "E" even means, but I
suspect it would not affect how MBM5 sees my board.
Click to expand...


So... CPU 39, MB33 under load, with the CPU dropping to 27°C not under load.

That doesn't sound right. Your CPU is very unlikely to be less than your
"mb" temp, unless they stuck the mb temp meter right next to a very hot
component. Also, 27°C seems somewhat low, unless you have a really cold
room.

Ben
 
OK.... here's another set of test numbers:

Booted this morning after system off all night. The room is cool (not
cold), about 65F.

On boot, immediately go into BIOS and Hardware Monitor:

CPU: 25C/77F
MB: 18C/64F

Immediately into Windows:

MBM5 reports:
CPU: 77F
MB: 69F

Probe reports:
CPU: 25C/77F
MB: 22C/71F

Run Prime95 with In-place large FFTs (max heat) test selected. After 30
minutes:

MBM5 reports:
CPU: 100-102F (fluctuates)
MB: 93 (some fluctuation)

Reboot and immediately read BIOS Hardware Monitor:

CPU: 34.5C/94F
MB: 34C/93F

Immediately into Windows:

MBM5 reports:
CPU: 86F
MB: 93F

Probe reports, a few moments later
CPU: 27C/80F
MB: 34C/93F

MBM5 reports, a few moments later:
CPU: 80F
MB: 93F

Right now, about ten minutes after completion of Prime95 30-minute test:

MBM5 reports:
CPU: 77F
MB: 91F

Probe reports:
CPU: 25C/77F
MB: 32C/89F

John
 
Ben,

Glad it's looking OK to you now. The system is running very smoothly, I
must say. I used Prime95's benchmark and my system is either equal to or
slightly better (on some tests) than the results posted on the Prime web
site.

Thanks very much for your help.

John
 
Ben,

Follow up...

The test yesterday were done with the side off the PC case. With the side
back on the case, the temps are higher:

After running Prime95 for 10-15 minutes:
CPU: 116F
MB: 96F

The minute Prime95 is stopped, the temps drop to:
CPU: 86
MB: 91

John
 
John said:
Ben,

Follow up...

The test yesterday were done with the side off the PC case. With the side
back on the case, the temps are higher:

After running Prime95 for 10-15 minutes:
CPU: 116F
MB: 96F

The minute Prime95 is stopped, the temps drop to:
CPU: 86
MB: 91
Click to expand...

Too many damned numbers dude!! :-p

The numbers the other day are still weird, since your CPU is cooler than
your MB in many cases.

Also, if I compare the top reading with the one yesterday:
101F/93F, CPU/MB to the ones above, then the MB has heated 3F, but the CPU
has risen 15F. Thats odd too.

I missed the beginning of the thread, everything except the post to which I
initially replied.

I dunno any more about your temps, they're weird. If they're correct,
you're probably ok, as your CPU maxes at under 50°C. Wouldn't worry about
it unless I had stability problems.

Ben
 
I agree... too many numbers.

The system seems fine, so let's put an end to this thread.

Again, thanks.

John
 
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