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[IMG width=800 ]http://i.imgur.com/16QxHp2.jpg[/img]
We're adding more and more GPUs on a weekly basis, and we've got 4 AntMiners coming in tomorrow.
Total within the next few weeks should be ~40MH/s scrypt, and ~2TH/s SHA256.
Hows the heat? I cant imagine that box fan is enough.. I need a humidifier im dealing with hot dry air. We're adding more and more GPUs on a weekly basis, and we've got 4 AntMiners coming in tomorrow.
Total within the next few weeks should be ~40MH/s scrypt, and ~2TH/s SHA256.
We have 50kBTUs of AC ready to go, but we're holding off while we can, cuz a box fan is cheaper.
Nice RIG 
Thanks!I hate you. Tomorrow will be the coldest day of the last 10 months here in SoCal - get down to a chilly 49F at night. I swear God mad this the hottest winter in history on this side of the US.
How are you regulating the humidity if you're bringing in outside air?
Cold air is dry. It's only -4F or -20C where I am in Canada, I'm surprised that New England is even colder.
since GPU mining for scrypt coins isn't bitcoin, aren't posts here about it in the wrong place? shouldn't they be posted in the altcoins section? So of course GPU mining is looked down on. it is either unprofitable or being talked about in the wrong place. (Bitcoin Snob here)
Theoretically they count as a mining rig. So they aren't off topic.
And looking at pictures of Antminers or Avalons sitting on shelves is boring. I love checking out pics of these behemoth GPU rigs chewing up electricity and spitting out heat
Maybe these are the monster trucks of crypto currency mining!He's probably underclocking and undervolting to get better power efficiency and to squeeze the 5 cards into one rig.
^
This rig is horribly configured.
280x should go for ~750kh each, 7950's should do 650kh each.
Furthermore his WU is horrible. Hashrate should reach ~3,45mh with WU = > 3000.
Happy tweakin!
This rig is horribly configured.
280x should go for ~750kh each, 7950's should do 650kh each.
Furthermore his WU is horrible. Hashrate should reach ~3,45mh with WU = > 3000.
Happy tweakin!
If I'm not watercooling, should I leave the plastic shroud on the GPU? I have 5 7950s running on a Gigabyte UD-5 Motherboard mining LTC with no shrouds. I believe they're rather adequately spaced, and I have a big 20" Lasko Cyclone fan pointed at them, yet I'm always seeming to get mid 80s to 90C on the cards. I know some of them aren't spaced exactly right and that will be changed soon. A friend of mine is making some custom open-air wood frames for me that will be stackable so I can put 4 rigs together (two beside and two on top of them) and get a big construction sized fan to blow air through them.
Cards are Powercolor AX7950s and are voltage locked (I'll be buying unlocked ones next time as I know of some now). Powertune is set to 20 on them. Getting about 535kH/s per card with standard riser cables (not powered, but some are on the way to see if it will boost the kH/s and let me drop the powertune to -5 or -10).
I would love to get the temps down a bit on these without having to pay for expensive watercooling. Soon I'll be renting a place to build 4 more rigs and put all 6 in and let the rigs pay the electric bill (my apartment doesn't have the juice necessary to feed 6 rigs like this). Then I'll slowly accumulate more rigs. Any suggestions would be welcomed to get these temps lower! Thanks!
-Moose
Cards are Powercolor AX7950s and are voltage locked (I'll be buying unlocked ones next time as I know of some now). Powertune is set to 20 on them. Getting about 535kH/s per card with standard riser cables (not powered, but some are on the way to see if it will boost the kH/s and let me drop the powertune to -5 or -10).
I would love to get the temps down a bit on these without having to pay for expensive watercooling. Soon I'll be renting a place to build 4 more rigs and put all 6 in and let the rigs pay the electric bill (my apartment doesn't have the juice necessary to feed 6 rigs like this). Then I'll slowly accumulate more rigs. Any suggestions would be welcomed to get these temps lower! Thanks!
-Moose
I would try putting the shroud back on one of those cards and checking if the temperature drops. With those reference-style coolers, the shroud directs the air through the heatsink and improves the cooling.
Isn't the Jalapeno intended for beverage warming jobs?
Maybe I need to order a couple
I am using the Vibrator electricity, but it gives only 2-3V so I have to up them for my 12V relay.
I use the sensor from a ball mouse to up the voltage, i think its called a omnitron, sorry my English ain't that good, but later I found 3V and 5V relays from my local electric store which trigger with 2-3V without a problem.
The phone is set to vibrate just once with a particular melody, so I let it ring once and close.
Dude, that's cool. I wish I had thought of that!
Re: [ANN] BADcoin [BAD] A P2P Network Built on the Fairest Mineable Multichain
No need for blind hate, man. These days you don't see a whole lot of projects launch fairly, or without a big token sale, etc. Everyone involved is volunteering their time to make a project that is working to give everyone a chance at mining. This doesn't strike me as a "get rich quick" scheme, but more of a fun way to learn how mining works in a novel way.
I don't think it was blind hate, but if you look at the stats from the official pool, there are 14 skein miners right now, only 6 are mining with less than 1 GH, so they are probably gpu miners. In total they account for 2.6 GH, which probably means that they represent about 10 GPUs. The top miner with 259 GH would represent about 1000 GPUs (+/- 100 or so), or 18 Baikal G28s. If you had 1000 GPUs woud you throw them at Badcoin?
As for groestl, you can't even mine it right now on GPU because the difficulty is too high. There are only 4 groestl miners right now, with 39, 53, 49 and 156 GH respectively. The lowest miner at 39 GH would need over 1000 GPUs to achieve that hashrate.
It's still an interesting coin, but realistically you need to mine it with a bunch of CPUs or some ASIC hardware.
BTW, my numbers may be off, so do your own analysis and @Joel and @Travis, great podcast!
I am sad to see that Black Arrow didn't deliver - they seemed to be a reliable company that made good on their fpga products. I hemmed and hawed about ordering from them and wound up missing the first round of orders, so I didn't bother. My post from January https://bitcointalk.org/index.php?topic=376370.msg4375020#msg4375020 pretty much sums up why I had my doubts and didn't order - a company that sells ATM card skimming devices should make you nervous.
Most likely they just bit off more than they could chew and didn't realize the complexity of delivering an ASIC. If they were truly scammers, then they wouldn't have developed/delivered anything.
Most likely they just bit off more than they could chew and didn't realize the complexity of delivering an ASIC. If they were truly scammers, then they wouldn't have developed/delivered anything.
Suggestion:
The miners have wireless, but no antenna. Turns out it is hard to find just a wireless antenna, so for now these are using the 4 ethernet ports on my Wireless router.
I'm running without antennas. Just put them close to your wireless router/AP.
No fan on those gridseeds at all? I find that the one fan I have cools them down pretty well.
Re: [Open]-I.(42/50) Pre-Order-Group Buy for GRIDSEED MINER (Canada)
Well, I did it on all 10 units. took about an hour and a bit. 2 had cold solders but it was just a quick touchup to fix.
Looks good MaxGen! What speed are you running at? Does Scripta use cgminer or bfgminer?
Maybe I should fire up my Raspberry Pi.
Re: [Open]-I.(42/50) Pre-Order-Group Buy for GRIDSEED MINER (Canada)
For the voltage mod, are you just bridging the pads with solder, or are you adding some resistance?
Also, from your last post, am I correct in assuming you are running the PS at 220 for the savings? I don't think mine powered on at 220V
Thanks melmo
Also, from your last post, am I correct in assuming you are running the PS at 220 for the savings? I don't think mine powered on at 220V
Thanks melmo
I tried bridging the pads with solder, but that wasn't happening so I used some very fine wire. Tin the end of the wire with some solder, dip in some flux and solder to the pads, then trim. I found some stranded wire and then used single strands - that's how tiny the pads are.
I'm running the PS at 110V now. The 10 watt saving is nothing compared the other power-guzzlers I have
Re: [Open]-I.(42/50) Pre-Order-Group Buy for GRIDSEED MINER (Canada)
Melmo, you in Toronto?
I'd pay you to make the voltage mods to my units.
I'd pay you to make the voltage mods to my units.
Sorry, I don't think I would trust myself to work on someone else's units because I'd be afraid of frying it. Those solder pads are surprisingly small - I almost didn't do the mod because I was shocked at how tiny they were.
Re: [Open]-I.(42/50) Pre-Order-Group Buy for GRIDSEED MINER (Canada)
A couple of tips: I noticed that the power supply has a switch on the side to select voltage. I had been running with it set to 220V, and was only pulling 58 watts from the wall. It was pretty stable like this at 850 MHz so I measured the voltage on one of the plugs and the power supply was only providing 10.8 volts. After switching to 110V, I was reading 11.9 volts and power usage went up about 10 watts.
After doing the voltage mod, I'm running stable at 401 Kh/s and pulling 82 watts at the wall for my 10 units.
After doing the voltage mod, I'm running stable at 401 Kh/s and pulling 82 watts at the wall for my 10 units.
Do you run that fan on them?
Yes, without that fan the heatsinks get warm to the touch. The one fan keeps both stacks cool, and of course I'm only mining scrypt.