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Author Topic: So many questions that I need answered!!!  (Read 793 times)
redmist
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March 24, 2013, 08:22:23 PM
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Hi guys,
Literally about 3 hours ago, I finished building my first mining rig, and its been mining Litecoin since.
I've managed to get everything working, but I still have loads of questions, and if any of you guys could answer that would be greatly appreciated. So here goes:

1) I've only got one GPU at the moment, and its a Sapphire Toxic 5850 2GB. I'm getting about 377khash with these parameters:
cgminer --scrypt -o http://litecoinpool.org:9332 -u xxxxx -p xxxxx --shaders 1440 --intensity 19 --worksize 256 -g 1 --thread-concurrency 8000 --gpu-engine 900 --gpu-memclock 1000
The temperature of the card is only at 65 degrees Celsius, so basically I'm wondering if any of you guys can recommend better parameters that will give me a higher hash rate.

2) In the next week or so, I'm going to add another 2 5850's. However, with the card I have at the moment, there is already an extremely limited amount of space in my case. I can't see the other 2 cards fitting in there at all. What do you guys suggest I should do? Sack the case and just mount it on a rack?

3) The graphics card that I have in my rig at the moment requires power (i think most of them do now anyway), which is fine as I have a 750 Watt PSU. However, the card requires 2x75 watt 6-pin PCI Express power connectors to run. Luckily my case came with 2 of them, so the card works fine. However when I get my next two cards, how do I supply power to them, as the PSU doesn't have any more power connectors coming off it that I could use. Do I have to buy some more? If so, how do I get them to connect to everything?

4) I've heard a lot about crossfire, and I'm not really sure what I'm doing when it comes to that. I'm guessing it has something to do with running more than one gpu at once. Could someone give me a brief description of what I need to do to get 3 gpu's running at once, and all of them at around the same hash rate?

5) Whilst mining with cgminer with my single card, the hash rate it shows seems to jump between 100-500 khash every 5 seconds. Surely that's not right is it? The average khash it shows is 377, which seems about right compared to the wiki. Just wondering if anyone can tell me if it should be jumping so much and if not, how to fix it.

6) Not that this matters much, but cgminer shows this:
Best share: 70.9K
I'm not really sure what this is, but I'd like to know just out of curiosity.

Well I think that's all of them. No doubt I'll have more questions as some of them are answered, but hey ho.
I'm not particularly experienced and the learning curve is pretty damn steep, so if anyone could help out that would be awesome.
Thanks guys Grin

NobleCoinLibertyProsperitySecurity
NobleCoin: 9YYgeoJRa4MXSXZ66aaZvTSFuREVjBfSx4
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os2sam
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March 24, 2013, 08:28:02 PM
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Um, I'm not trying to discourage you from asking questions.  But maybe you should post your litecoin questions in a litecoin thread instead of bitcoin?

Just a crazy thought.
Take Care,
Sam

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
redmist
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March 24, 2013, 08:32:36 PM
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Um, I'm not trying to discourage you from asking questions.  But maybe you should post your litecoin questions in a litecoin thread instead of bitcoin?

Just a crazy thought.
Take Care,
Sam

I did think about that, however I thought most of the answers would be the same if I put litecoin or bitcoin. Either way, I can move it if you think I should  Smiley

NobleCoinLibertyProsperitySecurity
NobleCoin: 9YYgeoJRa4MXSXZ66aaZvTSFuREVjBfSx4
os2sam
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March 24, 2013, 08:32:45 PM
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This looks like a good thread for your questions

https://bitcointalk.org/index.php?topic=47417.0

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
redmist
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March 24, 2013, 08:34:37 PM
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This looks like a good thread for your questions

https://bitcointalk.org/index.php?topic=47417.0

Oh christ, so many pages  Wink
Thank you for finding that, scanning through it now.

NobleCoinLibertyProsperitySecurity
NobleCoin: 9YYgeoJRa4MXSXZ66aaZvTSFuREVjBfSx4
os2sam
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March 24, 2013, 08:34:43 PM
 #6

Um, I'm not trying to discourage you from asking questions.  But maybe you should post your litecoin questions in a litecoin thread instead of bitcoin?

Just a crazy thought.
Take Care,
Sam

I did think about that, however I thought most of the answers would be the same if I put litecoin or bitcoin. Either way, I can move it if you think I should  Smiley

Judging by the litecoin questions in the CG Miner thread I would say they are radically different animals with only the name *coin in common.

Don't know if you should move it but post in the thread I posted above too, maybe.

Good luck,
Sam

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
redmist
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March 24, 2013, 08:37:21 PM
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Judging by the litecoin questions in the CG Miner thread I would say they are radically different animals with only the name *coin in common.
Ok haha, thanks  Smiley

NobleCoinLibertyProsperitySecurity
NobleCoin: 9YYgeoJRa4MXSXZ66aaZvTSFuREVjBfSx4
redmist
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March 24, 2013, 08:39:29 PM
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Not sure whether to move this or not, so I'll just leave it here. Either way, if anyone could still answer my questions that would be great! Smiley

NobleCoinLibertyProsperitySecurity
NobleCoin: 9YYgeoJRa4MXSXZ66aaZvTSFuREVjBfSx4
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