Hi guys

I am looking for MX300 sound card and found one in the picture above. The CD connector does not look good for me. I have also noticed that some numbers in right upper corner of the card (next to wavetable) is missing. I thought that it might be some rare revision of the card and look into google, yet it seems that all MX300 looks like the card from second image. Except of one slight difference where audio chip could have different codes on it:

* e.g. AAPXP 9912-M1Y15 on the card from my first pic
* e.g. ACPXP 9909-M1W17 on the card from Wikipedia

Looks like serial number with something to do with year and month... So, dear sirs my concerns are:

* Does this card damaged or this is some rare revision?
* Does codes on audio chip make any difference?