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Discussion Starter #1
Hi,

I've purchased a brand new asus p4c800-e deluxe motherboard
for my new machine as I was very satisfied with my previous asus motherboard.

After post the motherboard lady tells me that: "cpu test failed",
and then the machine boots fine to win xp.

I've cleared cmos, removed the battery,
tested the motherboard out of the case on a piece of cardboard,
tried with three different norhwood 3.00 ghz cpu's, but that still can't convince her.
The only thing I havn't tried yet is to update the bios to the latest version.

System:

- asus p4c800-e deluxe rev 2.00 - bios revision 1018
- 1GB corsair xms twinx pc3200
- northwood 3.00 ghz
- scythe ninja heatsink with nexus fan
- matrox p650 graphics card
- seasonic s12 430 watt

I've searched the forum and found many topics regarding
"system failed cpu test", but not the message i'm getting.

Will a bios update solve this?

Thanks :smile:
 

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I don't usually recommend bios upgrades unless there is a specific reason.
In this instance I think it would be a reasonable idea.

I would suggest you upgrade to 1019 which is known to be very stable, and also that you use Afudos rather than the EaziFlash or Windows.

Both EasiFlash and Windows are very tempting because they are very simple,but reports on this and other forums suggest that there is a high failure rate with these 2 methods.
 

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Discussion Starter #3
I've upgraded the Bios to 1019, but i'm still getting the same
"cpu test failed" message.
Apart from that, everything is working fine.
I've also tried Bios versions 1021 and 1023 but it's the same thing.

Any idea what could generate this error message?

Thanks
 

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Welcome to TSF:

I have experienced the same problem on two other P4 systems / the problem I found was overvoltage on the 12V rail. The mobo protection sees interprets that as overclocking ~~~ that my personal opinion ~~ I have not seen it stated as so anywhere else ~~ but a better quiality PSU with more juice cleared up both of my systems >>> one of them was a system I custom built
then sold with a one year warranty ~~~ thats really when I learned cheap PSU's dont pay !!!!!!! I ate that one >> $100.00 but got a good customer reference :)

Check your system voltages and post them for the techs to evaluate

this is easily done with the asus probe (download the newer version ~~ not the mobo cd version ) make sure you have your mobo chipset drivers off the mobo cd (intel inf driver) installed BEFORE you install the asus probe software

or you can use this free prog
http://www.lavalys.com/products/overview.php?pid=1&lang=en

I would post both results of the fresh start-up voltages and running hard voltage readings

to "work" the system I run defrag and a virus scanner at the same time
after about 15 minutes of the multi tasking take your system voltage readings

regards

joe
 

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Discussion Starter #5
Thanks Joe, I've taken fresh start-up voltages and running hard voltages as you suggested, here are the results:

STARTUP VOLTAGES
-----------------
Sensor Properties:
Sensor Type Winbond W83627THF (ISA 290h)
Motherboard Name Asus P4C800 / P4P800 / P4P8X
Chassis Intrusion Detected No

Temperatures:
Motherboard 22 °C (72 °F)
CPU 27 °C (81 °F)
SAMSUNG SP2004C 20 °C (68 °F)
SAMSUNG SP2004C 19 °C (66 °F)

Cooling Fans:
CPU 1061 RPM

Voltage Values:
CPU Core 1.55 V
+3.3 V 3.20 V
+5 V 5.00 V
+12 V 11.86 V
+5 V Standby 5.00 V


LOAD VOLTAGES
--------------
Sensor Properties:
Sensor Type Winbond W83627THF (ISA 290h)
Motherboard Name Asus P4C800 / P4P800 / P4P8X
Chassis Intrusion Detected No

Temperatures:
Motherboard 29 °C (84 °F)
CPU 45 °C (113 °F)
SAMSUNG SP2004C 46 °C (115 °F)
SAMSUNG SP2004C 47 °C (117 °F)

Cooling Fans:
CPU 1089 RPM

Voltage Values:
CPU Core 1.46 V
+3.3 V 3.15 V
+5 V 5.00 V
+12 V 11.80 V
+5 V Standby 4.95 V


Thanks
 
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