Motherboard MS-6340 VER:1 (erp 140): Computer stops responding

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Problem

Within 2 hours after startup, the computer stops working: the screen turns black and mouse/keyboard don't respond.

Rebooting doesn't work either. Within 2 seconds after power up, the motherboard powers down the hardddisk and produces a small click coming from a round black device named SAT-1205.

Only after a couple of hours the computer will boot again.

I can see bad capacitors (Chhsi 2700 uF, 6.3 V, diameter: 10 mm, height: 22 mm) on my motherboard.

Ms-6340_badcaps_640x610.jpg

Ms-6340 badcap3.jpg Ms-6340 badcap2.jpg Ms-6340 badcap1.jpg

I'm concerned about the following capacitors:

  • 2x 4700uF/6.3V, brand `Chhsi' (these look good)
  • 4x 2700uF/6.3V, brand `Chhsi' (swollen/bulged heads)

Solution

The capacitors turn out to be bad capacitors;

1. Consider replacing the motherboard - and probably the processor as well. Perhaps something more energy-efficient? The MS-6340 processor range burns 70 Watt while standing idle...

MS-6340 140 good capacitors.jpg
2. Are you reluctant throwing away things, just like me? You can always try to replace the faulty capacitors with new ones.

Contact MSI support. They were kind enough to send me new capacitors:

  • 4x 2700uF/6.3V, brand `3DVDK'
  • 2x 4700uF/6.3V, brand `nichicon'

You can consider to replace the capacitors yourself following these guidelines or use the badcaps.net repair service.

If you can't get the capacitors through MSI support, here's another place to buy them, e.g. Panasonic EEUFC0J272S. (€ 0.89) or Panasonic EEUFC0J272S (€ 1,20)

See also

http://badcaps.net
The central location for all information about bad capacitors
Motherboard MS-6340 VER:1 (erp 0000): Computer stops responding
I'm having the exact same problems with another motherboard, MS-6340 VER:1 (erp 0000), VIA VT82C686A chipset. Erp 140 (this page) has VIA VT86C686B chipset.

Journal

20070303

The FDD connector was connected the wrong way: the flat cable red side was connected to pin 33-34.

20070304

MSI Microstar Motherboards - MS6340 dies with Athlon
Forum thread about bad capacitor-problem of cheap MS Motherboards
Does K7MPro (MS-6340M) & K7TM Pro (MS-6340) use the same BIOS?
Explanation of difference between MS-6340 and MS-6340M
http://www.badcaps.net
"Over the years, there have been massive quantities of name-brand, high quality motherboards failing prematurely due to these faulty electrolytic capacitors..."

20070308

Badcaps Forums - MS-6340 and 1000uF Caps
Forum thread dedicated to the MS-6340 motherboard, also known as MSI K7TM Pro

20070318

MSI Computer Corp. - Support - How to identify your motherboard model and BIOS version
Procedure from MSI to identify the exact motherboard type

20071202

Tried to install Ubuntu 7.10 on the repaired motherboard. Before installation was completed, the computer shut down and I was unable to power up the motherboard again, facing the same problem: within two seconds after bootup you hear one beep and the motherboard shuts down.

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