20gh/s system, need advise - page 2.

maxl

full member

Activity: 221

Merit: 100

Quote from: dogie on May 10, 2013, 06:56:30 AM

You would have been so much better off putting that $15k into buyitnow ASICs or even FPGAs. You're going to have to power and cool 8KW of cards, and with the amount of planning demonstrated so far its going to go terribly wrong Sad

My 26GH system cost the equivalent FIAT today of about $11k, only generates 250W of heat and
sits on my windowsill.

Which machine do you have that can have 26 gh/s on 250w.

dogie

legendary

Activity: 1666

Merit: 1185

dogiecoin.com

You would have been so much better off putting that $15k into buyitnow ASICs or even FPGAs. You're going to have to power and cool 8KW of cards, and with the amount of planning demonstrated so far its going to go terribly wrong Sad

My 26GH system cost the equivalent FIAT today of about $11k, only generates 250W of heat and sits on my windowsill.

MinerLT

full member

Activity: 194

Merit: 100

Problem found!
https://bitcointalksearch.org/topic/fm2a85x-extreme6-hd7950-problems-200936

Amph

legendary

Activity: 3248

Merit: 1070

Quote from: MinerLT on May 10, 2013, 12:46:57 AM

unexpected problem..
Guiminer 0 shares accepted
Runs about 591kh/s but 0 shares accepted after some time. Trying to mine LTC in coinotron,notroll.in

using
Windows 7
12.8 catalyst drivers
AMD-APP-SDK-v2.4-Windows-32

, with guiminer settings 7950 high usage mining doesn't work,

try p2pool is much better

download cgminer 3.1.0
download p2pool 11.4
download ltc client of course

create a litecoinf.conf and write:
rpcuser=what you want
rpcpassword=what you want
server=1

run litecoin client first

create a shortcut of p2pool and in destination add "--net litecoin" and open p2pool, let him load all the shares
create a shortcut of cgminer and in destination add "--scrypt --intensity 13 --gpu-threads 2 --worksize 256 --thread-concurrency 8192"

run cgminer pointing to:
127.0.0.1:9327
your litecoin name
your litecoin pass

wait some minutes uintil p2pool rise your khash to 500+(only the first time)

btw drives use the last they are good

fran2k

hero member

Activity: 784

Merit: 500

Quote from: MinerLT on May 02, 2013, 02:57:59 AM

LTC mining needs more RAM ? im right ?

It uses much more VRAM than BTC mining but the amount also depend on which mining software you use. Reaper uses more memory tha cguminer.

Dervana

member

Activity: 112

Merit: 10

Saw some mention of 7850s and 7870s, are they ACTUALLY that good for scrypt mining? I haven't seen very good (proportional- price to return) stats for these.

MinerLT

full member

Activity: 194

Merit: 100

unexpected problem..
Guiminer 0 shares accepted
Runs about 591kh/s but 0 shares accepted after some time. Trying to mine LTC in coinotron,notroll.in

using
Windows 7
12.8 catalyst drivers
AMD-APP-SDK-v2.4-Windows-32

, with guiminer settings 7950 high usage mining doesn't work,

computerparts

sr. member

Activity: 378

Merit: 250

First bit of advice would be to send those firecrackers back. The new Gigabyte revisions are atrocious. Get some Sapphire or MSI with the Twin Frozr. I hope you have a large commercial space for all of those.

BitshireHashaway

full member

Activity: 182

Merit: 100

Wow, I was planning on pulling the trigger on something like this for LTC and may. You don't need ram if you use CGMiner which is what I would do. Um, I would recommend mining some BTC until they become unprofitable and then switch to LTC. If it is still possible to do this in another 1.5 years~ I may dump around 5k-10k into this to see how it would work, that could be interesting:).

Also more pictures of deliveries, only the first picture works.

BBQKorv

sr. member

Activity: 280

Merit: 250

Nice, what kind of rigs do you plan to build?

MinerLT

full member

Activity: 194

Merit: 100

ok lets start

first package of 3 just arrived

endriuska

member

Activity: 91

Merit: 10

Poker did you ever pull the trigger on this? I'm on the same boat trying to get a system setup investing 6k.

Vorksholk

legendary

Activity: 1713

Merit: 1029

Quote from: MinerLT on May 05, 2013, 02:33:47 PM

then why solo still hard with Litecoin? 20000kh/s not enough ?

You'd get a block every day on average.

MinerLT

full member

Activity: 194

Merit: 100

then why solo still hard with Litecoin? 20000kh/s not enough ?

Vorksholk

legendary

Activity: 1713

Merit: 1029

Quote from: MinerLT on May 05, 2013, 02:00:42 PM

with 20gh/s (or 20MH/s) system better i should mine in pool or mine solo ?

Solo will be a bit hard still with Litecoin, however is still quite possible. Any other alt coin will be pretty easy to solo. 20GH/s will NOT be able to solo Bitcoin with any consistency, of course.

MinerLT

full member

Activity: 194

Merit: 100

with 20gh/s (or 20MH/s) system better i should mine in pool or mine solo ?

BBQKorv

sr. member

Activity: 280

Merit: 250

This topic will be helpful for choosing the right mobo: https://bitcointalk.org/index.php?topic=186877.0;all

notaek

legendary

Activity: 1268

Merit: 1009

7870/7850 has the best kilohash-per-second/$ ratio (kilohashes assuming scrypt mining such as Litecoin) but you should probably get 7950's because you can get much higher hash rate per computer which will save you money in the long run.

zvs

legendary

Activity: 1680

Merit: 1000

https://web.archive.org/web/*/nogleg.com

Quote from: Amph on May 02, 2013, 11:39:27 AM

buy 40 7950, and start mining litecoin, only way for you to make profit

i'd buy the 7850 and 7870's that are all on special/being liquidated right now

like this deal (that's expired now):

http://slickdeals.net/permadeal/94066/newegg-msi-radeon-hd-7870-2gb-gddr5-pci-express-3.0-video-card-far-cry-3-blood-dragon-bioshock-infinite-tomb-raider-game-coupons

$190 for 7870, $40-$50 for games coupon, then you could sell it 'new' (you didnt use it, just sold the games) and already get more than you paid for it.

which is why it's good for bitcoin mining, since GPUs will be worthless "soon"

you can also get 7770's for around $50 after rebate+selling games, 7850 for $110-$120 after rebate+selling games

for me, it's good idea to buy these new 7870's and then sell used 5870's for more than 7870 cost

Amph

legendary

Activity: 3248

Merit: 1070

buy 40 7950, and start mining litecoin, only way for you to make profit

Topic: 20gh/s system, need advise - page 2. (Read 5638 times)