how to start the work rx470 8gb
sgminer 5.1.1 - Started: [2017-02-12 01:36:47] - [0 days 00:00:40]
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(5s):826.8K (avg):804.7Kh/s | A:0  R:0  HW:542  WU:0.000/m
ST: 3  SS: 0  NB: 2  LW: 0  GF: 0  RF: 0
Connected to 127.0.0.1 (longpoll) diff 198K
Block: 413e7daa...  Diff:774  Started: [01:36:57]  Best share: 0
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[P]ool management [G]PU management ettings [D]isplay options [Q]uit
GPU 0:  41.0C 2163RPM | 811.9K/804.7Kh/s | R:  0.0% HW:542 WU:0.000/m I:18
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[01:36:45] Started sgminer 5.1.1
[01:36:45] * using Jansson 2.7
[01:36:45] Probing for an alive pool
[01:36:45] No suitable long-poll found for http://127.0.0.1:33828
[01:36:45] Startup GPU initialization... Using settings from pool 127.0.0.1.
[01:36:45] Startup Pool No = 0
[01:36:45] Initialising kernel hmq1725.cl with nfactor 10, n 1024
[01:36:45] Initialising kernel hmq1725.cl with nfactor 10, n 1024