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Author Topic: My 1 gpu now 11gpus 5rigs for Ethereum. 45 days of mining. Photos thoughts.  (Read 49239 times)
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June 08, 2016, 02:52:44 PM
 #341

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

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June 08, 2016, 04:41:32 PM
 #342

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?
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June 08, 2016, 05:53:04 PM
 #343

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

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June 08, 2016, 07:42:54 PM
 #344

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

My 6xNano@763watts@2.7amps@133MHs using Heliox's -150mV rom mod

Did you use the -175mV or -200mV rom mod to get 159MHs?

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June 09, 2016, 02:54:20 PM
 #345

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

My 6xNano@763watts@2.7amps@133MHs using Heliox's -150mV rom mod

Did you use the -175mV or -200mV rom mod to get 159MHs?

I have similar setup with 6xNano. I run 900/260 MHz, with about 760W, 159 MH/s. I use the -200, -175 mod. I use the 93% platinum power supply.

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June 09, 2016, 03:59:55 PM
 #346

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

My 6xNano@763watts@2.7amps@133MHs using Heliox's -150mV rom mod

Did you use the -175mV or -200mV rom mod to get 159MHs?

I have similar setup with 6xNano. I run 900/260 MHz, with about 760W, 159 MH/s. I use the -200, -175 mod. I use the 93% platinum power supply.

so you use the DPM-175mv.rom file? What brand of Nano?
I am at -175 now, but I use 1060,300 getting 60MHs with 2 x Nanos.
How do you use the -200, reduce another 25 from -175?

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June 09, 2016, 05:23:39 PM
 #347

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

My 6xNano@763watts@2.7amps@133MHs using Heliox's -150mV rom mod

Did you use the -175mV or -200mV rom mod to get 159MHs?

I have similar setup with 6xNano. I run 900/260 MHz, with about 760W, 159 MH/s. I use the -200, -175 mod. I use the 93% platinum power supply.

so you use the DPM-175mv.rom file? What brand of Nano?
I am at -175 now, but I use 1060,300 getting 60MHs with 2 x Nanos.
How do you use the -200, reduce another 25 from -175?

I was lucky. So I use the -200 and -175 ROM. They are Sapphire cards.

4 cards work with -200, two cards work with -175.

There was a -200mV BIOS.

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June 10, 2016, 10:31:54 PM
 #348

Guys,

Will it be safe to mine with 5x R9 390 on EVGA 1300W G2 PSU?
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June 11, 2016, 04:37:46 AM
 #349

Guys,

Will it be safe to mine with 5x R9 390 on EVGA 1300W G2 PSU?


My 5 x MSI-R9-390s = 150MHs draws about 1290-1340w, EVGA-G2-1600

Afterburner settings: -100mV/1050/1125 @ 30MHs per card.

I have tried it with EVGA-G2-1300 and it works fine too, however it's really stretching it even for top rated EVGAs.

To have a 15-20% buffer is good practice to ensure your PSU has a long life.

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June 11, 2016, 05:43:07 AM
 #350

I think I paid $180 for my "refurb through Newegg" 290s.



thanks for info..

At this point I am mining with 4x r9 nanos doing around 100mh at 750 watts

 -65 mv 1000 clock  for gpu       500 clock  for memory   no mods

i'm consuming the same with my 5x970, 773w(system included) at 100MH, i think you can do 88MH at 320w(system excluded)

p.s. shouldn't nano be at 80w, with that mod?

I think his setting is not right. I use the mod BIOS with 6x nano. I can do 159 MH/s at 750 W. He should be much higher.

Each GPU is very different and modding your own rom is simple and yields the best results.  Most mods that are done for "the masses" are not the most efficient by any means.

My 6xNano@763watts@2.7amps@133MHs using Heliox's -150mV rom mod

Did you use the -175mV or -200mV rom mod to get 159MHs?

I have similar setup with 6xNano. I run 900/260 MHz, with about 760W, 159 MH/s. I use the -200, -175 mod. I use the 93% platinum power supply.

so you use the DPM-175mv.rom file? What brand of Nano?
I am at -175 now, but I use 1060,300 getting 60MHs with 2 x Nanos.
How do you use the -200, reduce another 25 from -175?

The best results can be obtained by modding your own rom for each card individually

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June 11, 2016, 05:50:20 AM
 #351

Guys,

Will it be safe to mine with 5x R9 390 on EVGA 1300W G2 PSU?


you need to undervolt, below 200 each, so you have 180 for 25MH and it should be ok

i would avoid to stress too much a gold psu
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June 11, 2016, 08:05:33 AM
 #352

Guys,

Will it be safe to mine with 5x R9 390 on EVGA 1300W G2 PSU?


 NO.

 The R9 390 is basically a bios-updated rebadge of the R9 290 - my triple R9 290 rig with a TITANIUM power supply eats right at 1KW at the wall, despite having TheStilt modified bios on them to undervolt (and other stuff).
 I do concede I've got my R9 290s pretty seriously overclocked, but stock clock on them was only 947 (Sapphire ref cards).

 4 would be viable as long as you don't overclock and overvolt them to very high extremes.

 5 forget it unless you can do some VERY serious undervolting and get the power draw down at least 20% per card, or underclock them a lot at which point you might as well just run 4 of them NOT underclocked.

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June 11, 2016, 11:19:38 AM
 #353

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

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June 11, 2016, 11:58:03 AM
 #354

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

which rom mod did you use?  Shocked Shocked

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June 11, 2016, 04:04:31 PM
 #355

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

which rom mod did you use?  Shocked Shocked

I mod it myself, using the HawaiiBiosReader. There is a thread in this forum about using that editor. It is easy.

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ps_jb
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June 11, 2016, 05:26:41 PM
 #356

Thanks to all who responded!

arielbit
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June 12, 2016, 03:31:29 AM
 #357

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

which rom mod did you use?  Shocked Shocked

I mod it myself, using the HawaiiBiosReader. There is a thread in this forum about using that editor. It is easy.

what brand are your 390s? does it work the same for sapphire, asus, msi, gigabyte?
philipma1957
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June 12, 2016, 03:51:09 AM
 #358

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

which rom mod did you use?  Shocked Shocked

I mod it myself, using the HawaiiBiosReader. There is a thread in this forum about using that editor. It is easy.

what brand are your 390s? does it work the same for sapphire, asus, msi, gigabyte?

yeah I have a powercolor and a his r9 390 looking to mod for lower watts.

and I am looking to mod the nanos for lower watts

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Tmdz
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June 12, 2016, 05:35:40 AM
 #359

Guys,

Will it be safe to mine with 5x R9 390 on EVGA 1300W G2 PSU?


 NO.

 The R9 390 is basically a bios-updated rebadge of the R9 290 - my triple R9 290 rig with a TITANIUM power supply eats right at 1KW at the wall, despite having TheStilt modified bios on them to undervolt (and other stuff).
 I do concede I've got my R9 290s pretty seriously overclocked, but stock clock on them was only 947 (Sapphire ref cards).

 4 would be viable as long as you don't overclock and overvolt them to very high extremes.

 5 forget it unless you can do some VERY serious undervolting and get the power draw down at least 20% per card, or underclock them a lot at which point you might as well just run 4 of them NOT underclocked.



Wow that doesn't seem right :/

I have 2 reference R9 290 cards that I undervolt -100mv and they consume only 500 watt at the wall with a bronze psu that wastes 15% the power.  So if I had 3 they would consume about 700 watts and that is with an inefficient psu.  Anyway I tried to use TheStilt bios on my cards but when I boot it gives me this checkered pattern and is almost possible to see the screen, any ideas?
citronick
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June 12, 2016, 06:06:44 AM
 #360

I have 6X 390 on a ASrock H81 motherboard. The voltage is 0.984 V and the frequency is 970/1000MHz, they hash about 165MH/s. The power consumption from the wall is 1050W with 93% efficiency PSU.

which rom mod did you use?  Shocked Shocked

I mod it myself, using the HawaiiBiosReader. There is a thread in this forum about using that editor. It is easy.

what brand are your 390s? does it work the same for sapphire, asus, msi, gigabyte?

yeah I have a powercolor and a his r9 390 looking to mod for lower watts.

and I am looking to mod the nanos for lower watts

unlucky me - I can only get -150mV mod to work on my Sapphire Nanos.
Anyways, still some power savings there to fully maximize my current Amps.
4 x Nanos @88MHs@1.8amps@800/300 is running smoothly

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