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Abit AV8 mobo - Error 0.4

post #1 of 7
Thread Starter 
Hi everyone.

I'm hoping that someone, anyone, can help me with the problem I'm having. I've searched so many forums and tried a number of things so far - with no result!!

I bought an Abit AV8 mobo, installed it, plugged everything in and turned it on. The LED shows post error 0.4 and the mobo repeatedly beeps - 1 second long beeps at a regular interval. BIOS does not load and the monitor remains blank.

My system:
Abit AV8 mobo
AMD 64 3200+ (939 pin)
4 x 512MB DDR400 RAM (Elixir)
Inno3D GeForce 6800GT 256MB graphics card (AGP)
Maxtor 7200rpm 160GB HDD
Mercury KOB P4 400 Watts PSU

I've tried the RAM, HDD and graphics card in another pc and they are all fine and working. Yes, everything is plugged in correctly and securely and the 4-pin connector from the PSU is plugged in.

I've taken and run my mobo out of the case as suggested in other threads to check if anything is grounding/shorting the mobo = error 0.4.

I've tried to run it with only the CPU, Ram and graphics card = error 0.4.

I've tried different combinations of the RAM (1 stick, 2 sticks, 4 sticks) = error 0.4.

In the mobo manual it states that the mobo cannot handle graphics cards of 3.3v - which is fine coz my card is 1.3v.

The PSU exceeds all requirements stated in the mobo manual.

Anyone have any ideas at all? I'm not at home at the moment, so do not have access to the offending system until this evening.

(Thanks for reading this long sob story)
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post #2 of 7
First, set up with minimal components
CPU/FHS pluged in, 1 stick of RAM, all power to MB connections and a vid card.

1. Do you have a true 24 pin power in connector?
2. Do you have atleast 24amps on the 12+v rail, check the specs on the PS sticker.

Check out this !!! Seems like a lot of problems with that board and various PS.
http://forum.abit-usa.com/showthread.php?t=56825

In this string it seem RAM is very picky on the MB>
http://forum.abit-usa.com/showthread.php?threadid=67861

A very long thread at the Abit forum RE: problems people are having with that MB
http://forum.abit-usa.com/showthread.php?threadid=64923

BTW, I copy/paste your "Abit AV8 mobo - Error 0.4" to dogpile.com search and found the above and tons more
    
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post #3 of 7
Have you tried your CPU in a different mobo?
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post #4 of 7
Thread Starter 
Thanks for the suggestions!

Duke - thanks for the links. Starting to regret my decision to get an Abit board after reading all that!!
I had a look at my PSU - not too sure on all what all the numbers mean, but this is what I got: underneath the +12v it says 17A and not 24A as you suggested (with +3.3v being 28A and +5v being 40A). Excuse my ignorance, but if the PSU is not powerful enough would all the fans and mobo LED's turn on? And also, isn't the 0.4 error something to do with RAM. Wouldn't I get another error code if there was a problemw ith power? I'm so confused!

Zeus - I don't have access to another 939 pin mobo - I'm hoping it's not the CPU that's stuffed.

It's looking like yet another weekend without a working computer.
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post #5 of 7
Quote:
Originally Posted by MarkusAbs
Thanks for the suggestions!

Duke - thanks for the links. Starting to regret my decision to get an Abit board after reading all that!!
I had a look at my PSU - not too sure on all what all the numbers mean, but this is what I got: underneath the +12v it says 17A and not 24A as you suggested (with +3.3v being 28A and +5v being 40A). Excuse my ignorance, but if the PSU is not powerful enough would all the fans and mobo LED's turn on? And also, isn't the 0.4 error something to do with RAM. Wouldn't I get another error code if there was a problemw ith power? I'm so confused!

Zeus - I don't have access to another 939 pin mobo - I'm hoping it's not the CPU that's stuffed.

It's looking like yet another weekend without a working computer.
Well 17amps on the 12v rail just don't cut it. Get yourself a really good PS with 30amps on the 3.3v & 5v rails. Then at least 20ampers on the 12v rail.
NO LESS
This simply keeps you out of the dark side. Go for a really great brand also. If you have any questions come back here and ask.
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post #6 of 7
Thread Starter 
Right, so it looks like a new PSU is in order.

3 options

Enermax Liberty 400w
+3.3v = 26A;
+5v = 28A;
+12v1 = 20A;
+12v2 = 20A

or

Enermax Liberty 500w
+3.3v = 28A;
+5v = 30A;
+12v1 = 22A;
+12v2 = 22A

(Is it a problem that the +12v rail is split?)

or (the cheapest option)

Tagan TG420-U02 420W ATX I-XEYE PSU
+3.3v = 28A;
+5v = 42A;
+12 = 28A
this is the one I am most keen on (particularly because of its price - lol)

Any suggestions??
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CPUMotherboardGraphicsOS
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post #7 of 7
Thread Starter 
Well, I got the Tagan PSU - plugged it in, turned it on and still got error 0.4

Can anyone help?? Please!!!
My System
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CPUMotherboardGraphicsOS
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MonitorPower
Samsung 22" BFG Tech 1000W 
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My System
(13 items)
 
  
CPUMotherboardGraphicsOS
AMD64 X2 6000+ Asus M2N32 SLI Delux BFG 8800GTX OC WinXP Pro (SP2) 
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