Need help LTC mining config

delainex · December 2013

I'm pretty new at this - Im trying to mine Litecoins but am having trouble getting the correct settings. I can get BFG miner to run after a fashion but at a ridiculously low speed...5-10 Kh/s!! and it doesn't seem to be actually getting any work.

I am using the following hardware:

Hardware Overview:

Model Name: iMac

Model Identifier: iMac12,1

Processor Name: Intel Core i5

Processor Speed: 2.5 GHz

Number of Processors: 1

Total Number of Cores: 4

L2 Cache (per Core): 256 KB

L3 Cache: 6 MB

Memory: 16 GB

Boot ROM Version: IM121.0047.B1F

SMC Version (system): 1.71f22

Serial Number (system): C02GLTCGDHJF

Hardware UUID: 8577BA8C-52F9-5D21-9B3E-2280F9F2800E

AMD Radeon HD 6750M:

Chipset Model: AMD Radeon HD 6750M

Type: GPU

Bus: PCIe

PCIe Lane Width: x16

VRAM (Total): 512 MB

Vendor: ATI (0x1002)

Device ID: 0x6741

Revision ID: 0x0000

ROM Revision: 113-C2950H-170

EFI Driver Version: 01.00.544

I would be very grateful if someone could tell me how I should configure the miner options... which boxes to check/uncheck; how many CPU threads to use [if any] and any manual flags i might need.

Any thoughts on which would be the best miner to use would also be appreciated - I had thought cpuminer might be the way to go but i couldn't get it to work.

Gary

FabulousPanda · December 2013

Hey Gary,

The default intensity is quite low for Litecoin so you'll want to turn that up a bit. Also try setting work size to 64.

You don't want to use any CPU threads in bfgminer but if you want to CPU mine you should use the CPU Miner window which is much faster. What does it say in the log when you try to use cpuminer?

-John

delainex · December 2013

I changed the intensity to 15 [do i need to uncheck dynamic intensity?] I have enable cpu mining and enable quiet output ticked and have cpu threads set to 1 [I have 4]. I also have use scrypt ticked as I am mining litecoin.

In the autosetup screen I have entered my litecoin address in the top section and also for the username and password field - left the pool on the default setting [fabulouspanda.co

Its been running for about 5 mins and is only showing a speed of 9.2Kh [on BFG Miner

This is the sort of output I'm getting - it doesn't look very encouraging to me

: Connection timed out after 30495 milliseconds

[2013-12-14 00:16:13] Testing pool http://mining.harvestcoin.com:9327

[2013-12-14 00:16:14] HTTP request failed: Failed connect to mining.harvestcoin.com:9327; Connection refused

[2013-12-14 00:16:14] Stratum connect failed to pool 2: Failed connect to mining.harvestcoin.com:9327; Connection refused

5s: 9.4 avg: 9.1 u: 0.0 kh/s | A:0 R:0+0(none) HW:0/none

5s: 9.3 avg: 9.1 u: 0.0 kh/s | A:0 R:0+0(none) HW:0/none

[2013-12-14 00:16:24] Stratum from pool 0 requested work update

5s: 9.3 avg: 9.1 u: 0.0 kh/s | A:0 R:0+0(none) HW:0/none

[2013-12-14 00:16:29] Stratum from pool 0 requested work update

5s: 8.8 avg: 9.1 u: 0.0 kh/s | A:0 R:0+0(none) HW:0/none

When I go to start cpuminer I get the following...

minerd: unrecognized option `--scrypt'

Try `minerd --help' for more information.

I'll leave bfg miner run for a while but i don't think its actually doing anything

-Gary

FabulousPanda · December 2013

If you're running 1.4.26 and click save & start in pool settings the connection refused messages will go away - Just to make sure you did put your LTC address in there right?

you do need to untick dynamic intensity but 16 is a bit high start at 6 and work up till it makes the computer laggy

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