yes there is a sticker on each board with number 1, what does it mean?
The stickers 1, 2, 3 are from the assembly lines 1, 2, 3...
Yes, there are 3 assembly lines doing this.
sticker 1 mean that you have the best chip
that the reason you have that speed
So it is just number or really shows the hash speed of particular chip? Anyone knows for sure... ?
I'm gathering info about that and till now the evidence confirms that the lower the number the higher the quality.
I've measured number of enabled cores to evaluate chip quality.
I've already posted on this forum instructions on how to it, anyway it boils to download bertmod firmware, the file despite the bin extension is a tar.gz file. Untar it. There u'll find among others a file named asic_status.pl, copy it into your mainers (scp), log into ur miner using ssh and execute
perl ./asic_status.pl > statud.html
Copy status.html somewhere and use a browser torender it. It will tell you what u need to know.
E.g. my asic stamped with a #3 have 3 out 4 die full functioning whereas the last one has all cores disabled. The very same asic run a lot cooler (10 Celsius) than the others and consume a lot less energy.
As soon as i will be able to use a proper device with a proper internet connection i'll post here the link to the step by step instructions.
edit1: it come to my mind that yesterday on kncminer irc channel (freenode) someone told me his miner has #5 on all boards and in fact is jup hash @340
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