That's quite a hefty customs duty there  All fees are hefty here in Italy :/ spiccioli |
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koob,
I don't have pics and yes I've paid customs fee on declared value, around 203 €
spiccioli
Ok thanks. It was on good condition, black or silver ? Black, perfect conditions both units. They are shipped in sturdy boxes with a lot of foam around each unit. One unit had a lose screw inside. spiccioli |
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Order #1077, placed february 2nd, delivered today to Italy.
It took eight days from shipment to delivery.
spiccioli
Congrats! Are you gonna pool-it on HHTT? yes, I'm there already.  spiccioli |
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Order #1077, placed february 2nd, delivered today to Italy.
It took eight days from shipment to delivery.
spiccioli
Could you post some pics ? Also did you pay any customs fee ? koob, I don't have pics and yes I've paid customs fee on declared value, around 203 € spiccioli |
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Order #1077, placed february 2nd, delivered today to Italy.
It took eight days from shipment to delivery.
spiccioli
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i just pointed some firepower over there last night...just changed Diff to 512. rates seem more reasonable than say BTC Gld but we'll see how it actually performs
silverserpent, being a PPLNS pool, it takes at least a day before you see your real payout when a block is found. Look at your "Last Day MH/s" column value and wait till it reaches your real hashrate. spiccioli |
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By the way,
will you be able to produce spare parts for existing avalons? Control boards, modules so that three modules ones can be converted into four modules and so on?
There could be a market for them.
spiccioli
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Why do you produce in Italy and not in Switzerland at Escatec or Variosystems?
because the business relationship with them is stronger, we was already working In Italy? I'm from Italy... an Avalon clone made in Italy... go figure! spiccioli |
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The description that the TP-LINK is "drawing too much power" is actually incorrect. The USB hub chip does not overheat because the TP-LINK draws too much power. The TP-LINK is powered via a 5V line that does not even come from the USB hub chip. Instead, the hub chip overheats because of a flaw in the control unit v1.5 design which I found while poring over the schematics: they accidentally feed 5V to one of the pins of the chip instead of 3.3V. This overvoltage is what causes the chip to overheat. I pinged Yifu who confirmed it, and I filed a bug quoting his response: https://github.com/BitSyncom/avalon-ref/issues/5Removing the fuse F1 merely cuts voltage to this pin. It leaves the USB type B port (which powers the TP-LINK) completely unaffected. From the link to github I read BitSyncom answer where he says: "Thanks, this is true, will cause the chip to be about ~20C higher than avg, which is still fine [...]" So, adding a small heat sink could be a "simpler" solution, isn't it? It seems that removing F1 is the correct thing to do, but it can be done, not it HAS to be done. Am I reading this correctly? spiccioli |
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If I were you I will ask them to de-solder a test SMT component from an unused hardware first before letting them work on Avalon controller.
I have a dead 5870 lying around... I'll ask them to do a test on it first, good idea! spiccioli |
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Now, let's see, how difficult can it be to desolder F1 if someone has never used a solder in his whole life?  If I try such operation, do I really risk to destroy the control board? Is there something I (we) really need to know before starting to desolder F1? spiccioli my tips. a) Use a weller soldering station or equivalent. Set temp to 75% of max range or more. b) use rosin cored solder on both sides of the fuse and alternate every 0.5 seconds and the component will slip off. Flux / rosin is must or else solder may spill to other components and cause a bridge + frustrations. c) practice on a dead video card / modem / etc Hi goxed, thanks a lot, I've just found a pc shop which does little repairs which will desolder it for me spiccioli |
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Now, let's see, how difficult can it be to desolder F1 if someone has never used a solder in his whole life? If I try such operation, do I really risk to destroy the control board? Is there something I (we) really need to know before starting to desolder F1? spiccioli |
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Two blocks today, and the second one was found by fireduck!  Ok, let's see how long it takes to break the 1 TH/s barrier!! spiccioli |
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mrb,
thanks for the explanation, do you think that disabling wireless is enough to prevent overheating that chip and if I remove that fuse can I use wireless or is it better to disable wireless in any case?
spiccioli
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800 GH/s!!! Go go go!! spiccioli |
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So to better understand and be sure, the better thing to do is to remove the fuse, I've never used a solder in my life, so this is a BIG problem for me.
Otherwise I can just power off wireless ethernet and this is enough, isn't it?
From mrb description I'd say it is not enough, though.
spiccioli
edit: upon further reading, no, powering off wireless ethernet is not the correct thing to do, the problem is that 5V are fed to a pin which should receive 3V.
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now hashin away @ about 67GH on BTC/Slush. Kudos to Avalon!
I'd like to remind every new owner of an Avalon (and every miner at large) of a nice pool, HHTT which would gain a little less variance from a few more units hashing there.  spiccioli thanks. Is the payout/charge the same at most pools? Do they have an impact on the hashing rate of participants, my unit went down to 55GH/s the other morning, then I learned that BTC Guild had some HW issues at about the same time? I'd say, let's move to the linked thread to discuss this in detail, anyway it is a PPLNS pool, like you have now (if you're not mining PPS) on BTC Guild. spiccioli |
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now hashin away @ about 67GH on BTC/Slush. Kudos to Avalon!
I'd like to remind every new owner of an Avalon (and every miner at large) of a nice pool, HHTT which would gain a little less variance from a few more units hashing there. spiccioli |
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I'm waiting for the delivery of my unit right now and my country's Customs sent me a copy of the invoice which is included with the package and it reads 500 USD/unit + 80 USD shipping.
spiccioli
Is there any contact email to avalon? If they could send me a copy of invoice included with package I could pass it to DHL and authorize them to pay in my name, it would speed up my delivery by 2-3 days, as I know (Poland). No, there is no sender's email in the invoice. spiccioli spiccioli where are you froem (where did you recive shipment) I'm from Italy. spiccioli |
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Unfortunately, no success...
Blade just do not connect to stratum proxy on p2pool. There is not error message at all.
I would like really to have some developer in it, I can donate my Blade worktime to debug this.
I've made some tests yesterday using cgminer 2.5.10 with a BFL FPGA pointed to the mining proxy (connected to p2pool with forrestv patch) and it does not work if I try using getwork (I get back an error which says that user credentials are wrong). If I let cgminer switch to stratum, that is if I don't use --fix-protocol then it starts mining without problems. You can add -P -D to the cgminer command line to see what goes wrong. I'm running the mining proxy on a fedora 16 pc and cgminer on an ubuntu 12.x server. spiccioli That's only your local problem. I am using patched stratum proxy with forrestv patch. Stratum proxy to p2pool works 100% fine with my cgminer, both on getwork and stratum ports. Blade pointed to that proxy (getwork port) just sits and do nothing, while I am successfully mining with cgminer on it, at same time. good to know, lenny_, can you tell me the command line you're using to start stratum_mining_proxy.py ? thanks! spiccioli |
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