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Airdrop received too, thanks.
But there not seems to be any action....
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And it worked for the 5th card too, but this last one needed the 6GPU+ mod.
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try to add one at time not all at once
Tried that too... still no work. I'm testing the same thing on a gigabyte p67a ds-3, and it's the same thing, 3 gpu ok, but 4+ not recognized (code 28). It is a chipset thing? What exactly happens? Does is start to boot Windows? Does it succeed? How many cards? If it doesn't get past the bios it's probably an underpowered PSU. With 4+ GPU it boot ok to windows, but there is just 3 gpu recognized. Power supply is a very good 850w and R7 370 aren't power hungry. I'm thinking there is something with P67 chipset, because 2 different board (msi, gigabyte) and it's the same. Anything plugged in the two pci-e x1 between those pcie x16 aren't recognized by windows 7 and I also tried windows 8.1 It could be Windows refusing to recognize a GPU in the x1 slot without shorting the pins previously mentioned. You can google to find the procedure. I'm not familiar with Radeon so it could also be a driver issue, make sure you're using the same driver version as your good rigs. YES! Finally worked with 4XGPU with the wire trick, should have done it first... now let try 5. Thanks everybody! |
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try to add one at time not all at once
Tried that too... still no work. I'm testing the same thing on a gigabyte p67a ds-3, and it's the same thing, 3 gpu ok, but 4+ not recognized (code 28). It is a chipset thing? What exactly happens? Does is start to boot Windows? Does it succeed? How many cards? If it doesn't get past the bios it's probably an underpowered PSU. With 4+ GPU it boot ok to windows, but there is just 3 gpu recognized. Power supply is a very good 850w and R7 370 aren't power hungry. I'm thinking there is something with P67 chipset, because 2 different board (msi, gigabyte) and it's the same. Anything plugged in the two pci-e x1 between those pcie x16 aren't recognized by windows 7 and I also tried windows 8.1 |
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try to add one at time not all at once
Tried that too... still no work. I'm testing the same thing on a gigabyte p67a ds-3, and it's the same thing, 3 gpu ok, but 4+ not recognized (code 28). It is a chipset thing? |
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It's in /Ethereum/keystore , but it's not a wallet.dat like in Bitcoin
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a r9 390 is on its way.
what kind of internet bandwidth does eth need?
It does not need much internet bandwidth for mining. 1Mb/s is enough for the data transmission. You need low latency. 1 Mb/s seems high? cgminer on btc is like a few Kb/s I think. I was hoping much less as Im wireless internet (think 3g). Ill be just mining and trading eth for btc as I go. hope not to need the full blockchain. guess Ill find out No you don't need the blockchain if your are mining on a pool, |
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nano fury x or nvidia 970, from nvidia only 970 is very good, and for amd you have more choice, even the old 280 or 7970 are very good for mining etheruem
280x or 7970 are affected by the DAG size quite a lot. Do you notice the hash rate drop of the R9 390 or the R9 Fury series due to DAG increase? My 2X280x and 370s(2G and 4G) still running very well... |
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Yes powered riser, just one non powered and was on x16 slot.
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Wait is asic mining on eth ? It will be interesting to now compare F2 pool vs the existing early ETH pools like Dwarfpool. Anyways, we need some compelling balance in the ETH mining universe and avoid current BTC mining dominance by F2 and Antpool. No |
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Which motherboard do you use? For some mothboards, if you use the x1 riser, you need to short the A1B17 or B1A17 card presence pin.
MSI P67a-GD65 where is that pin located? |
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Are you sure your 3 GPU are working, seems like 2 GPU hashes, just look on device manager to be sure.
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Short story: I have 2 rig:
rig 1: two 280x and one 370, works perfect
rig 2 : three 370, works perfect
I ordered some more 370, (want to run rig 1 and rig 2 5 gpu each), so in waiting time I was looking to put two 370 that are on rig 2 on rig rig to test it.
Problem is, I'm unable to let windows detect more than 3 gpu, is that a driver problem?
I was thinking it's 6+ gpu that need special driver?
TIA
EDIT: OS is windows 7 64 bits
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If it's dead, how can they know the bios as been flashed?
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Choose a motherboard that have a lot of pci-e slot. It looks like the Asus B85-plus only have 2, check for something that have 5-6 (like the asrock pro btc) to be able to expand.
Edit: Looked the Msi Z97 Gaming, yes it is more expansive, but with this one you could hook up 7 videocards, so it's a must.
For the 370: I have both, 2G and 4G and they mine the same amount, so 4G is more expensive and not worth it IMO.
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How much memory your GC have? Must be at least 2GB, the DAG file is now above 1350MB.
The 6990 has 2x2 GB the others 2 GB. For the 2GB one, I added this in the bat file: setx GPU_SINGLE_ALLOC_PERCENT 100 |
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Check ethminer --list-devices
Look at CL_DEVICE_MAX_MEM_ALLOC_SIZE
What does it said? (for both device)
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How much memory your GC have? Must be at least 2GB, the DAG file is now above 1350MB.
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It doesn't matter if its 6 months or 12 months or 2 years. The way the new difficulty formula is calculcated makes all GPUs mining useless in about 6-7 months when we approach block 2.5million.
So for now just get the 2GB since its cheaper.
I have 3X msi 370 4GB that do approx 15 mhs each Are you saying that the 2GB version will do same MHs? |
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so has Bitfinex opened ETH trading?
Yes it's live and working now. |
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