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      "body": "@@ -9300,13 +9300,13 @@\n S%22:%22\n-Hanna\n+jones\n %22%7D,%22\n",
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      "author": "yogibear",
      "body": "I'd be really pressed to find relevant and even helpful material online, with actually working examples if you want to get started with API Gateway and Integration via Lambda, particularly when you wish to try interact with the simple databases like dynamoDB. Yes there is a lot of material, but if you're only starting out and exploring the space. And while its obviously not a non-starter, its a laborious task to get going, fine tuning the elements of the product, working out integration semantics and spending hours in the Docs, as helpful as they may be.\n\nHaving played with API deployment and Deployed API proxies with the likes of TYK in the past, This AWS offering of cloud-based API configuration, management and infinite scalability really does strikes accord with me. In particular when business logic is not only heading into Cloud and Containerisation but further, - _serverless_. And all with good reasons mentioned above and not forgetting the key financial incentive. It's really cost effective, not managing your own services you now.\n\nIts been a little while since i've completed my AWS Certifications, and with that helpful knowhow I decided to take a plunge and hands-on to investigate how such offering and projects fare, not having worked on these AWS products in the past.\n\n## The Requirement ##\nDeploy a Simple API, which enables  PUT and GET requests\nIn Particular, You should be able to add a record to a database, dynamodb so,\n*name*: James, *dateOfBirth*: 1990-01-01 would do\n\n## The Workings; ##\nI decided to use the native proxy for put function, directly \"calling\" dynamoDB, its a simpler method, and does not need the coding overhead.\nI also decided on the dynamoDB to be my key-pair storage for this trial\nFinally, since we want some computational result from GET request, its a lambda with good old NodeJS framework.\n\n![Screen Shot 2018-06-02 at 21.25.16.png](https://cdn.steemitimages.com/DQmdn93Z2X4HBUCQEf2DHjKCgwg4dbGm4E8p2j38xf3jyca/Screen%20Shot%202018-06-02%20at%2021.25.16.png)\n\n## My database ##\nIts a fairly straight forward setup, via AWS Console\nOnce navigate into DynamoDB product offering, simply create a table name of choice. I created `namespaces`.\n![Screen Shot 2018-06-02 at 21.19.14.png](https://cdn.steemitimages.com/DQmRsMEqwdJ4hBEF7sSRqiApAZf3r3UYnWubkhLKWAc37Sx/Screen%20Shot%202018-06-02%20at%2021.19.14.png)\n\n![Screen Shot 2018-06-02 at 21.19.26.png](https://cdn.steemitimages.com/DQmPUhncTUjUNdQbFH6jt6mZok6Tdxz5MfPGJGWkQwz3Gpm/Screen%20Shot%202018-06-02%20at%2021.19.26.png)\n\n\n## Put integration ##\nActual PUT request had to be mapped in PUT integration as follows:\n\n```\n#set($inputRoot = $input.path('$'))\n{ \n    \"TableName\": \"namespaces\",\n    \"Item\": {\n    \t\"name\": {\n            \"S\": \"$input.params('name')\"\n        },\n        \"dateOfBirth\": {\n            \"S\": \"$input.path('$.dateOfBirth')\"\n        }\n    }\n}\n```\n\n![Screen Shot 2018-06-02 at 21.27.13.png](https://cdn.steemitimages.com/DQmaJv2gprQQYNRrknhrUgn28nTkHCTNHXaM7kAM1dpVuTQ/Screen%20Shot%202018-06-02%20at%2021.27.13.png)\n\n![Screen Shot 2018-06-02 at 21.27.21.png](https://cdn.steemitimages.com/DQmbv1VQ5VqvpVAfB4RTEz7v5U78byMWg9JZpFJUVZnDRc7/Screen%20Shot%202018-06-02%20at%2021.27.21.png)\n\n![Screen Shot 2018-06-02 at 21.27.36.png](https://cdn.steemitimages.com/DQmbh4TAK3seNq63kdHLTd4VdY4mch8pfE5p6gsuN7yf3Vm/Screen%20Shot%202018-06-02%20at%2021.27.36.png)\n\n\n## GET Requests ##\nThis was a what one would find naturally tricky especially if it's not your daily bread-n-butter there.\nGET Integration had to be mapped, to ensure we can reach this in our lambda call.\n\n![Screen Shot 2018-06-02 at 21.25.44.png](https://cdn.steemitimages.com/DQmPNvTN5P6YXefdFkP9aUJtGPzz93V2uZY12pCF3MgnjZT/Screen%20Shot%202018-06-02%20at%2021.25.44.png)\n\n![Screen Shot 2018-06-02 at 21.25.30.png](https://cdn.steemitimages.com/DQmW7RgnA8BnTcuRNC4uVJSuC6ghH7aYbCn4EYSwqzZViqo/Screen%20Shot%202018-06-02%20at%2021.25.30.png)\n\n![Screen Shot 2018-06-02 at 21.25.24.png](https://cdn.steemitimages.com/DQmWUrF9frumbC52rEaXKs1JRTu6k2So9kz2ctf22vqSjCF/Screen%20Shot%202018-06-02%20at%2021.25.24.png)\n\n```\n{\n  \"myname\" : \"$input.params('hello')\" \n/* ^ this is you {hello} or later, renamed to {name} is the parameter parsed into lambda, mapping to \"myname\" variable */\n}\n```\n\nOnce we have our name variable, we can have a function call to dynamoDB and perform *GetItem* on the table, the latter was predefined in lambda code.\n\n\n---- example lambda code ----\n```\n\nvar aws = require('aws-sdk');\nexports.handler = function(event, context) {\n  var dynamo = new aws.DynamoDB({\n    region: 'eu-west-2',\n    maxRetries: 0\n  });\n// getting my passed var over\nvar nameInfo = event.myname;\nconsole.log('Will run getItem on name key : '+nameInfo);\n\n// params for my dynamodb func\nvar params = {\nTableName : 'namespaces',\nKey : { \n  \"name\" : {\n    \"S\" : nameInfo\n  },\n},\nAttributesToGet: [ \n        'name', 'dateOfBirth'\n    ],\n    ConsistentRead: true,\n}\n\n  dynamo.getItem(params, \n  function(err, data) {\n  console.log(\"Pre-processing - data view:  \",data);\n  if (err) {\n  console.log(err, err.stack); // an error occurred\n  context.done(err);\n  }\n  else      {\n  // once its all great success, lets work on dates\n  var date = new Date();\n  var getFullYear = date.getFullYear();\n  var originalDateOfBirth=data.Item.dateOfBirth.S\n  var strippeddate=originalDateOfBirth.toString().split(\"-\");\n  \n  var Original_Birthday_MD=strippeddate[1].replace(/(^|-)0+/g, \"$1\")+\"-\"+strippeddate[2].replace(/(^|-)0+/g, \"$1\");\n  var Current_Date_MD=date.getMonth()+'-'+date.getUTCDate()\n  console.log('Comparing Original_Birthday_MD: '+Original_Birthday_MD+' & Current_Date_MD: '+Current_Date_MD )\n  \n  //So, erm, How many days until your birthday?\n  var oneDay = 24*60*60*1000; // hours*minutes*seconds*milliseconds\n  var Original_Birthday_MD_ = new Date(getFullYear+\"-\"+Original_Birthday_MD);\n  var Current_Date_MD_ =  new Date(getFullYear+\"-\"+Current_Date_MD);\n  console.log('Comparing FULL DATE Original_Birthday_MD_: '+Original_Birthday_MD_+' & Current_Date_MD_: '+Current_Date_MD_ )\n  \n  var daysUntilBday = Math.round(Math.abs(Current_Date_MD_.getTime() - Original_Birthday_MD_.getTime() )/(oneDay));\n  console.log('How many Days until my birthday? '+daysUntilBday);\n    \n  // Is this your lucky day\n  if (daysUntilBday == 0)\n  { // lets rock this overriding data response, because we can\n  data='Happy Birthday '+nameInfo+'!';\n  }\n  else if (daysUntilBday < 5)\n  { // perhaps even warn if they have bday upcoming\n      data='Hello '+nameInfo+'! Your Birthday is in '+daysUntilBday+' days.';\n  }\n  \n  console.log(data);     // successful response\n  context.succeed(data); // must ssuccessfully terminate the function and return !!\n  }\n});\n};\n```\n[Latest and Greatest code on] (https://gist.github.com/jpantsjoha/8479ffb137ea873a169fc00e056ed77a)\n\n\n## Common gotchas I came across ## \n- API Gateway + lambda working can lead to false error rates which will send you down the colossal time wasting route. Thus;\n0. Its all about the mapping, whether you map calls to your dynamoDB direct or mapping vars to lambda function.\n1. Ensure you lambda function isn't timing out too early resulting in errors which have nothing to do (necessarily) with your code, though be thorough checking it\n2. Ensure you literally refresh browser if you have to when you are sampling back and forth, between API-Gateway integration test route and the lambda code working\n3. When aforementioned point 2 works fine and you're happy with it, and you're still seeing the errors on external url - if you happen to be curl testing this also, - chances are you forgot and need to, republish your api through to relevant (or brand new) \"stage\". Yes this may be a new DNS name for the external access your api gateway, - just saying, seems to be learning the hard way here.\n4. Lambda \"test\" section was helpful - albeit only API Proxy data - with pre-filed random data, so if you're doing something specific, this could be misleading, - so do bear that in mind.\n\n## The Fun Part ##\nTime To Test and Play.\n\nPutting Several New Users, **bob**, **kev**, **kal**\n\n**bob**, will be DOB 1980-01-01 \n**kev**, will be DOB closer to today but not today, so 1980-04-30\n**kal**,  will be DOB on today's date, to check out birthday message function, so 1980-05-02\n\n\n![bob](https://cdn.steemitimages.com/DQmWJjrmynmSL2hWsfT4NnoP7RHRMauoTWWBAo25QDMjS2S/Screen%20Shot%202018-06-02%20at%2021.33.24.png)\n![kev](https://cdn.steemitimages.com/DQmYnu4GLEkNaaB8JGSpYLMGWvL2vtLPFBiXtUS5VXfhsar/Screen%20Shot%202018-06-02%20at%2021.33.53.png)\n![kal](https://cdn.steemitimages.com/DQmPgX3xXJ3Uy9aU2jAp64DK9xH5UQvXQD8Eu1TpmKtMn2L/Screen%20Shot%202018-06-02%20at%2021.34.37.png)\n\n**And, Lets Curl/URL the results**\n(URL secrecy aside, this is like for like)\n```\njp@jpmac~$ curl https://secret.execute-api.eu-west-2.amazonaws.com/hello/kal\n\"Happy Birthday kal!\"\njp@jpmac~$ curl https://secret.execute-api.eu-west-2.amazonaws.com/hello/kev\n\"Hello kev! Your Birthday is in 2 days.\"\njp@jpmac~$ curl https://secret.execute-api.eu-west-2.amazonaws.com/hello/bob\n{\"Item\":{\"name\":{\"S\":\"bob\"},\"dateOfBirth\":{\"S\":\"1980-01-01\"}}}\n```\n\n\n\n\n\n\n\n## More on Gist ##\nCheckout the Gist Link for the full (especially it i will update it) snipped of the lambda function\nPublic GitHub Gist on how to see this NodeJS Based Lambda glue is actually working is all there:\nhttps://gist.github.com/jpantsjoha/8479ffb137ea873a169fc00e056ed77a\n\nClap me for this post if you found it useful.\nCheers!",
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  "block": 12477298,
  "op": [
    "comment",
    {
      "author": "digitalplayer",
      "body": "Hi - let me invite you to ethereum 2020 community based price estimation\n\nhttps://steemit.com/ethereum/@digitalplayer/ethereum-price-prediction-2020",
      "json_metadata": "{\"tags\":[\"ethereum\"],\"links\":[\"https://steemit.com/ethereum/@digitalplayer/ethereum-price-prediction-2020\"],\"app\":\"steemit/0.1\"}",
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      "permlink": "re-yogibear-mine-more-ethereum-with-rx470-rx480-bios-mods-20170602t191242391z",
      "title": ""
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  "op_in_trx": 0,
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{
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  "op": [
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    {
      "amount": "0.001 STEEM",
      "from": "bottymcbotface",
      "memo": "If you would like the value of Steem to soar, please vote for Steem to be added to BTCC.com https://twitter.com/bobbyclee/status/865851769116475392",
      "to": "yogibear"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2017-05-25T22:27:36",
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{
  "block": 12238456,
  "op": [
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    {
      "author": "yogibear",
      "body": "I run the page https://www.facebook.com/getBitcoinKnowHow/\n\nThis page is all about what Bitcoin - BTC is\nHow to mine it, or buy it\nand same with Ethereum’s ETH.\n\nThese are both on what I’m working on as well as LTC and DASH\n\nSo, To get started; \n- you will need a BTC or/and ETH wallet - https://cex.io/r/0/up101276324/0/\n- Lucky for you, this wallet is also a UK Currency exchange, enabling you to Buy and Sell both BTC and ETH\n\nMoving on, Mining ETHereum or Bitcoin(BTC);\n- You can sign up with the following exchanges (i did, and they are legit);\n- Genesis Miner -  https://goo.gl/a54961 use discount  code for 3% off ‘ZIXvmY’ on mining contracts\n- Hashflare - https://goo.gl/ONuhON - They take credit cards, cheaper BTC mining rates\n\nIn both cases unless specified, Bitcoin contracts are simple;\nThey are mined, and paid out daily (past initial probation date) as long as it is profitable, and subject to fixed per-unit costs (electricity + maintenance)\n\nBoth are profitable.\n\nFor ETHereum cloud mining, this is slightly different, as both aforementioned cloud mining websites offer fixed deals for hashing power for a set period. Genesis mining offers better deal (2 years) over hash flare’s (1 year) being $2800 vs $2200 respectively.\n\nMost Profitable coin now is Ether!\n\nEnjoy!",
      "json_metadata": "{\"tags\":[\"eth\",\"btc\",\"mining\",\"buy\",\"investment\"],\"links\":[\"https://www.facebook.com/getBitcoinKnowHow/\",\"https://cex.io/r/0/up101276324/0/\",\"https://goo.gl/a54961\",\"https://goo.gl/ONuhON\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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      "title": "Getting started with Ether and Bitcoing Mining vs Buying Crypto Currency"
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{
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    {
      "author": "yogibear",
      "body": "Hei, as promised,\n\nI run the page https://www.facebook.com/getBitcoinKnowHow/\nTop listing (sticky) is now listing how to get started and where.\n\nPlease use my referral links ;) and forward this onto anyone else(mail lists!) who is interested in this gravy train!\n\nEnjoy!",
      "json_metadata": "{\"tags\":[\"eth\",\"btc\",\"mining\",\"buy\",\"investment\"],\"links\":[\"https://www.facebook.com/getBitcoinKnowHow/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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{
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    {
      "author": "blackrussian",
      "body": "Thank you",
      "json_metadata": "{\"tags\":[\"ethereum\"],\"app\":\"steemit/0.1\"}",
      "parent_author": "yogibear",
      "parent_permlink": "most-profitable-how-to-build-a-ethereum-eth-mining-rig-for-less-than-gbp1300",
      "permlink": "re-yogibear-most-profitable-how-to-build-a-ethereum-eth-mining-rig-for-less-than-gbp1300-20170517t234800695z",
      "title": ""
    }
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  "op_in_trx": 0,
  "timestamp": "2017-05-17T23:48:06",
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      "voter": "vitkolesnik",
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{
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  "op": [
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    {
      "author": "yogibear",
      "body": "I have been seeing the same. But found anything higher than 28mhs to be unstable, over long period of time.  even MSI afterburn overclock at 2100 and 1150",
      "json_metadata": "{\"tags\":[\"ethereum\"],\"app\":\"steemit/0.1\"}",
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  "timestamp": "2017-05-17T21:26:39",
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{
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    {
      "author": "yogibear",
      "body": "@@ -1160,16 +1160,281 @@\n timated \n+%C2%A31300%0AYou can try cut corners here and there, PSU could be Corsair, but in my humble opinion EVGA is better, but there you have it.%0A%0AWith today's  Ether Prices; cryptocompare.com ETH mining Calculator estimates this  100Mh/s Rig, will result in $300/month a month.%0A\n %0A%3Cbr%3E%0A%3Cb\n",
      "json_metadata": "{\"tags\":[\"ethereum\",\"ether\",\"mining\",\"rig\",\"miner\"],\"links\":[\"http://amzn.to/2qxrpw8\",\"http://amzn.to/2qtSOBk\",\"http://amzn.to/2rsj9NW\",\"http://amzn.to/2rslpEV\",\"http://amzn.to/2rs5NRL\",\"http://amzn.to/2qxtDM9\",\"http://amzn.to/2qsH0yw\",\"http://amzn.to/2qT5jYb\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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      "permlink": "most-profitable-how-to-build-a-ethereum-eth-mining-rig-for-less-than-gbp1300",
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  "timestamp": "2017-05-17T21:22:06",
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      "voter": "jmehta",
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{
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      "author": "yogibear",
      "body": "I have built 5 rigs now and counting. I have tried a variety of combinations, NVIDIA Chipsets for Lyra algo and the likes, but the most  bang for your buck so far is Ether Mining Rigs.\n\nHere is a list of hardware and Cost Estimate for each to order from Amazon, UK\nI assume some basic knowledge of Windows Management - so hope it comes as a given than Operating System - Windows 7 is to be installed.\n\nThis post is all about components necessary to build a full featured Mining rig, primarily from Hardware ordering perspective.\n\n<b>ETHER MINING RIG Building - UK</b>\nWhat computer parts you need to build a 100Mh/s Ether Mining Rig\n\n<b>Hardware<b/>\n<li>4 x RX470 8GB cards http://amzn.to/2qxrpw8 </li> Current Price Estimate £940\n<li>1 x H81 Motherboard http://amzn.to/2qtSOBk </li> £55\n<li>1 x Intel CPU http://amzn.to/2rsj9NW </li> £45\n<li>1 x 8GB DDR3 RAM http://amzn.to/2rslpEV </li> £45\n<li>1 x 120GB SSD http://amzn.to/2rs5NRL </li> £55\n<li>4 x PCI x8 Riser http://amzn.to/2qxtDM9 </li> £35\n<li>1 x 850w PSU http://amzn.to/2qsH0yw </li> £115\n<li>1 x 50L Storage Box (stick motherboard inside, GPU on top) http://amzn.to/2qT5jYb </li> £10\n\nTotal Cost estimated \n<br>\n<b>Software: TODO</b>\n- Windows 7 - buy/student/trial/re-use existing license - your own cost\n- AMD Drivers + system drivers: Drivers needed  for graphics card and component\n- Nicehash Miner/Guiminer",
      "json_metadata": "{\"tags\":[\"ethereum\",\"ether\",\"mining\",\"rig\",\"miner\"],\"links\":[\"http://amzn.to/2qxrpw8\",\"http://amzn.to/2qtSOBk\",\"http://amzn.to/2rsj9NW\",\"http://amzn.to/2rslpEV\",\"http://amzn.to/2rs5NRL\",\"http://amzn.to/2qxtDM9\",\"http://amzn.to/2qsH0yw\",\"http://amzn.to/2qT5jYb\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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  "block": 12018191,
  "op": [
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    {
      "author": "yogibear",
      "body": "I have built 5 rigs now and counting. I have tried a variety of combinations, NVIDIA Chipsets for Lyra algo and the likes, but the most  bang for your buck so far is Ether Mining Rigs.\n\nHere is a list of hardware and Cost Estimate for each to order from Amazon, UK\nI assume some basic knowledge of Windows Management - so hope it comes as a given than Operating System - Windows 7 is to be installed.\n\nThis post is all about components necessary to build a full featured Mining rig, primarily from Hardware ordering perspective.\n\n<b>ETHER MINING RIG Building - UK</b>\nWhat computer parts you need to build a 100Mh/s Ether Mining Rig\n\n<b>Hardware<b/>\n<li>4 x RX470 8GB cards http://amzn.to/2qxrpw8 </li> Current Price Estimate £940\n<li>1 x H81 Motherboard http://amzn.to/2qtSOBk </li> £55\n<li>1 x Intel CPU http://amzn.to/2rsj9NW </li> £45\n<li>1 x 8GB DDR3 RAM http://amzn.to/2rslpEV </li> £45\n<li>1 x 120GB SSD http://amzn.to/2rs5NRL </li> £55\n<li>4 x PCI x8 Riser http://amzn.to/2qxtDM9 </li> £35\n<li>1 x 850w PSU http://amzn.to/2qsH0yw </li> £115\n<li>1 x 50L Storage Box (stick motherboard inside, GPU on top) http://amzn.to/2qT5jYb </li> £10\n\nTotal Cost estimated \n<br>\n<b>Software: TODO</b>\n- Windows 7 - buy/student/trial/re-use existing license - your own cost\n- AMD Drivers + system drivers: Drivers needed  for graphics card and component\n- Nicehash Miner/Guiminer",
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      "body": "I confirm you number on my RX480\nI discovered TBP at 100W which allowed me to consume 20W less (I changed too Max Power at 100W).\nStriges 1650, GPU at 1100MHz, Mem at 2100 gives 29MH/s on one card, while the other refuse to go above 2000MHz VRAM... maybe there is more a problem with the PCIE16x slot (not yet using a riser, waiting for delivery).\nI have PCI errors.\n\nI had good result with RX470 MSI above 27MH/s without TBP tweak, but it died of electric problem (is it related?)",
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      "body": "This is probably a good time as any to tweak and tune your ETH mining rig, to ensure to squeeze every MH/s from your setup.\n\n![](https://lh5.googleusercontent.com/psX6RbHBNhYMxTiB-tRayPDME-g-meQ6NME9tWG78Ztj2ZKViYyFtWiilI3gakQmVRh8B4FLoxLi7C0=w2560-h1478)\n\nI am building yet another Mining Rig, so here are my findings.\n\nOff the shelf, \n**AMD RX470/RX480 4GB makes about 21.5 - 22MH/s**\n\nWhile 8GB version,\n**AMD RX470/RX480 8GB makes about 23.5 - 24MH/s**\n\nSure, running 4 or 6 of these in your set would be quite sweet and usually no hiccups.\n\nTune your Rig, and you get extra performance for free. Sweet. \nExample of my semi-build rig. I have a mix of RX480 & RX470 8GB Cards.\n![How about some 15% performance boost? ](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\nThis part is a bit tricky, because, well, it  voids warranty for sure.\nSecond, as any responsible blogger i have to read out the usual,\n**DISCLAIMER:**\nNo warranty, no responsibility taken or offered for whatever action you take as a result of this guide, as far as your mining, rig, hardware and even sanity is concerned.\n\nNow that’s out the way, here is the list of the tools which you will need.\n\n**PolarisBiosEditor**\nThis will allow you to tweak your bios file\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7cjA4djNEZnF1YVU\n\n**ATI Flash**\nThis allows you to backup and Load(flash) the bios on your AMD RX-series card\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7aXRuSE9jQm5ZMzg\n\nNOTE: My environment runs Windows 7 64-bit\n\nAfter the Bios Mod is complete, you could expect the following performance gain when mining ETHereum;\n**AMD RX470/RX480 4GB would start generating about 24.5 - 25/s**\n\nAnd 8GB Version,\n**AMD RX470/RX480 8GB to make about 27.5 - 28MH/s**\n\nNow, there are further power play tweaks which could be done to bring it into 30MH/s territory, but since this (for me) has made the card more unstable and basically crashed more often that the 2MH/s was worth. (was being greedy there)\n\n**Bios Mod Settings**\n**RX470 & RX480 8GB Mods**\nMOD: Timing Values \n1750 value copy into 2000 slot (overwrite)\nExpected Result: 28MH/s\n\n**RX470 & RX480 4GB Mods**\nMOD: Timing Values \n1500 value copy into 1750 and 2000\n1425 value copyinto 1625 \n1375 value copy into 1425 and into 1500\nMOD: POWERTUNE  \nTDP value change to 100w\nExpected Results: 25MH/s\n\nNow, **The How-To** Hope the below step-by-step guide helps;\nOnce, you have downloaded and unzipped the packages as necessary, \nremember to open **Polaris bios editor** and run it **as Administrator**.\n\n![](https://lh5.googleusercontent.com/ahGxRIWRI6pJ9bDAXRGtbMU_pC7aL-GxyPG7cxcVUoF6h0SQ6cyHZV3ZCG5pkerg1LU5X2I6qMga_wo=w2560-h1478)\n\nStep One, Save Bios Setting As they are.\nUse ATI Flash, to save the bios.\n\n![You could do well writing the whole name out in full, for own FYI](https://lh6.googleusercontent.com/3ZlCiBb0Cig19HgT5HopoE8JGTMAZXOnBX29Vzj2ewmoQWMt3PHeHkr1DzjFMYNIAthiaQQRWq0iIVg=w2560-h1478)\n\nPerform the Mod (updating the values as listed earlier) using the PolarisBiosEditor (run as Administrator)\n![](https://lh3.googleusercontent.com/GZ1rzbBIWALlRzMAHVu6-1WDIrQ9dlUlz8_b_DlhG93D52H0s1Z9iQryQcilQ_OnbzbKf8HAcgYruV0=w2560-h1478)\n\nSee Bottom-Right box in the PolarisBiosEditor. \n![Values to update are located in bottom-right](https://lh3.googleusercontent.com/cMCzL67UrQYtXD8OOznGN8vFSCgSpdR0i8nZju4PimatvsCEFuOiEuXgfdHiia_Ix3ScPQ2UzUDmc9w=w2560-h1478)\n\nThen save-as, as \"modified\" or \"modded\" so you have both saved for reference while keeping the original bios file as a backup.\n\n![Saving as modded](https://lh5.googleusercontent.com/IBSO8-WX0NXBf-ALObVtTnKw3yo3hQWs-fR6tXtoM7fM7t-6VIjU8Hv826p8Alrcq3O2LbavxIuGtzA=w2560-h1478)\n\nUse ATI Flash again, Load & “Program”\n![](https://lh6.googleusercontent.com/kt4fz3Jtur3Jayhmc8McAdFR6qVnsFykAivHAE29GZmfT0N6Xixsa72ckjn-K1eQJbnp0EI0tNEzzeU=w2560-h1478)\n\nAt this stage just be patient, as this will take 10-15 seconds and it may look like it’s unresponsive, but allow time before panic. I found that one particular Win7 install becomes unstable after flash is completed, and required a restart. \n\nIn either case, to see the effect of the updated hash rate, you should restart your OS.\n\nFinally, this Mod is done via Windows 7, but done directly to The AMD Graphics Card, so the latter could be moved to any Windows family/Linux and still retain its mod configuration.\n\nThats it. Enjoy.\n\nDone. This is very stable, and i had this running for weeks now in several rigs. \n![27.5-28MH/s Achieved](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\n**OPTIONAL Overclock Tweak**\nOverclocking. Remember that good fan/cooling really helps. \nI use MSI Afterburner. You can download it via the link below.\nhttp://www.guru3d.com/files-details/msi-afterburner-beta-download.html\n\n8GB Cards OverClock Tuning\nCore Clock 1150\nMemory Clock 2100 (2150)\nThis may... take it closer to 30MH/s\nTruth be told, I found this 50/50 on my setup. Hope it works well for you.\n\n4GB Cards OverClock Tuning\nCore Clock 1260\nMemory Clock 2050 \nThis may... take it closer to 27-28MH/s\nSame experience as with 8GB, \n\n\nEnjoy my write up? vote for it. More the encouragement for me to post more! :D\n**- Coming soon -**\n\n- Ensuring your Windows Mining Rig (or just bog-standard windows) is always mining on boot, will tools provided.\n- Monitoring the health status of your Mining Rig/Mining Setup\n- How to build a Rig. What i bought and how i build it. Costs involved.\n- Devising the remote system reboot setup, if windows/linux box freezes",
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      "title": "Mine more ETHereum with RX470/RX480 Bios Mods"
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      "body": "@@ -5223,16 +5223,91 @@\n , %0A%0A\n-**- MORE\n+%0AEnjoy my write up? vote for it. More the encouragement for me to post more! :D%0A**-\n  Com\n@@ -5567,8 +5567,80 @@\n nvolved.\n+%0A- Devising the remote system reboot setup, if windows/linux box freezes\n",
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      "body": "@@ -543,38 +543,109 @@\n s.%0A%0A\n-Example of my rig performance,\n+Tune your Rig, and you get extra performance for free. Sweet. %0AExample of my semi-build rig. I have a\n  mix\n@@ -658,9 +658,9 @@\n 480 \n-+\n+&\n  RX4\n@@ -666,17 +666,17 @@\n 470 8GB \n-c\n+C\n ards.%0A!%5B\n",
      "json_metadata": "{\"tags\":[\"ethereum\",\"rx470\",\"mod\",\"bios\"],\"image\":[\"https://lh5.googleusercontent.com/psX6RbHBNhYMxTiB-tRayPDME-g-meQ6NME9tWG78Ztj2ZKViYyFtWiilI3gakQmVRh8B4FLoxLi7C0=w2560-h1478\",\"https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478\",\"https://lh5.googleusercontent.com/ahGxRIWRI6pJ9bDAXRGtbMU_pC7aL-GxyPG7cxcVUoF6h0SQ6cyHZV3ZCG5pkerg1LU5X2I6qMga_wo=w2560-h1478\",\"https://lh6.googleusercontent.com/3ZlCiBb0Cig19HgT5HopoE8JGTMAZXOnBX29Vzj2ewmoQWMt3PHeHkr1DzjFMYNIAthiaQQRWq0iIVg=w2560-h1478\",\"https://lh3.googleusercontent.com/GZ1rzbBIWALlRzMAHVu6-1WDIrQ9dlUlz8_b_DlhG93D52H0s1Z9iQryQcilQ_OnbzbKf8HAcgYruV0=w2560-h1478\",\"https://lh3.googleusercontent.com/cMCzL67UrQYtXD8OOznGN8vFSCgSpdR0i8nZju4PimatvsCEFuOiEuXgfdHiia_Ix3ScPQ2UzUDmc9w=w2560-h1478\",\"https://lh5.googleusercontent.com/IBSO8-WX0NXBf-ALObVtTnKw3yo3hQWs-fR6tXtoM7fM7t-6VIjU8Hv826p8Alrcq3O2LbavxIuGtzA=w2560-h1478\",\"https://lh6.googleusercontent.com/kt4fz3Jtur3Jayhmc8McAdFR6qVnsFykAivHAE29GZmfT0N6Xixsa72ckjn-K1eQJbnp0EI0tNEzzeU=w2560-h1478\"],\"links\":[\"https://drive.google.com/open?id=0BwmZv0o6UAa7cjA4djNEZnF1YVU\",\"https://drive.google.com/open?id=0BwmZv0o6UAa7aXRuSE9jQm5ZMzg\",\"http://www.guru3d.com/files-details/msi-afterburner-beta-download.html\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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      "title": "Mine more ETHereum with RX470/RX480 Bios Mods"
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      "author": "yogibear",
      "body": "This is probably a good time as any to tweak and tune your ETH mining rig, to ensure to squeeze every MH/s from your setup.\n\n![](https://lh5.googleusercontent.com/psX6RbHBNhYMxTiB-tRayPDME-g-meQ6NME9tWG78Ztj2ZKViYyFtWiilI3gakQmVRh8B4FLoxLi7C0=w2560-h1478)\n\nI am building yet another Mining Rig, so here are my findings.\n\nOff the shelf, \n**AMD RX470/RX480 4GB makes about 21.5 - 22MH/s**\n\nWhile 8GB version,\n**AMD RX470/RX480 8GB makes about 23.5 - 24MH/s**\n\nSure, running 4 or 6 of these in your set would be quite sweet and usually no hiccups.\n\nExample of my rig performance, mix of RX480 + RX470 8GB cards.\n![How about some 15% performance boost? ](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\nThis part is a bit tricky, because, well, it  voids warranty for sure.\nSecond, as any responsible blogger i have to read out the usual,\n**DISCLAIMER:**\nNo warranty, no responsibility taken or offered for whatever action you take as a result of this guide, as far as your mining, rig, hardware and even sanity is concerned.\n\nNow that’s out the way, here is the list of the tools which you will need.\n\n**PolarisBiosEditor**\nThis will allow you to tweak your bios file\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7cjA4djNEZnF1YVU\n\n**ATI Flash**\nThis allows you to backup and Load(flash) the bios on your AMD RX-series card\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7aXRuSE9jQm5ZMzg\n\nNOTE: My environment runs Windows 7 64-bit\n\nAfter the Bios Mod is complete, you could expect the following performance gain when mining ETHereum;\n**AMD RX470/RX480 4GB would start generating about 24.5 - 25/s**\n\nAnd 8GB Version,\n**AMD RX470/RX480 8GB to make about 27.5 - 28MH/s**\n\nNow, there are further power play tweaks which could be done to bring it into 30MH/s territory, but since this (for me) has made the card more unstable and basically crashed more often that the 2MH/s was worth. (was being greedy there)\n\n**Bios Mod Settings**\n**RX470 & RX480 8GB Mods**\nMOD: Timing Values \n1750 value copy into 2000 slot (overwrite)\nExpected Result: 28MH/s\n\n**RX470 & RX480 4GB Mods**\nMOD: Timing Values \n1500 value copy into 1750 and 2000\n1425 value copyinto 1625 \n1375 value copy into 1425 and into 1500\nMOD: POWERTUNE  \nTDP value change to 100w\nExpected Results: 25MH/s\n\nNow, **The How-To** Hope the below step-by-step guide helps;\nOnce, you have downloaded and unzipped the packages as necessary, \nremember to open **Polaris bios editor** and run it **as Administrator**.\n\n![](https://lh5.googleusercontent.com/ahGxRIWRI6pJ9bDAXRGtbMU_pC7aL-GxyPG7cxcVUoF6h0SQ6cyHZV3ZCG5pkerg1LU5X2I6qMga_wo=w2560-h1478)\n\nStep One, Save Bios Setting As they are.\nUse ATI Flash, to save the bios.\n\n![You could do well writing the whole name out in full, for own FYI](https://lh6.googleusercontent.com/3ZlCiBb0Cig19HgT5HopoE8JGTMAZXOnBX29Vzj2ewmoQWMt3PHeHkr1DzjFMYNIAthiaQQRWq0iIVg=w2560-h1478)\n\nPerform the Mod (updating the values as listed earlier) using the PolarisBiosEditor (run as Administrator)\n![](https://lh3.googleusercontent.com/GZ1rzbBIWALlRzMAHVu6-1WDIrQ9dlUlz8_b_DlhG93D52H0s1Z9iQryQcilQ_OnbzbKf8HAcgYruV0=w2560-h1478)\n\nSee Bottom-Right box in the PolarisBiosEditor. \n![Values to update are located in bottom-right](https://lh3.googleusercontent.com/cMCzL67UrQYtXD8OOznGN8vFSCgSpdR0i8nZju4PimatvsCEFuOiEuXgfdHiia_Ix3ScPQ2UzUDmc9w=w2560-h1478)\n\nThen save-as, as \"modified\" or \"modded\" so you have both saved for reference while keeping the original bios file as a backup.\n\n![Saving as modded](https://lh5.googleusercontent.com/IBSO8-WX0NXBf-ALObVtTnKw3yo3hQWs-fR6tXtoM7fM7t-6VIjU8Hv826p8Alrcq3O2LbavxIuGtzA=w2560-h1478)\n\nUse ATI Flash again, Load & “Program”\n![](https://lh6.googleusercontent.com/kt4fz3Jtur3Jayhmc8McAdFR6qVnsFykAivHAE29GZmfT0N6Xixsa72ckjn-K1eQJbnp0EI0tNEzzeU=w2560-h1478)\n\nAt this stage just be patient, as this will take 10-15 seconds and it may look like it’s unresponsive, but allow time before panic. I found that one particular Win7 install becomes unstable after flash is completed, and required a restart. \n\nIn either case, to see the effect of the updated hash rate, you should restart your OS.\n\nFinally, this Mod is done via Windows 7, but done directly to The AMD Graphics Card, so the latter could be moved to any Windows family/Linux and still retain its mod configuration.\n\nThats it. Enjoy.\n\nDone. This is very stable, and i had this running for weeks now in several rigs. \n![27.5-28MH/s Achieved](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\n**OPTIONAL Overclock Tweak**\nOverclocking. Remember that good fan/cooling really helps. \nI use MSI Afterburner. You can download it via the link below.\nhttp://www.guru3d.com/files-details/msi-afterburner-beta-download.html\n\n8GB Cards OverClock Tuning\nCore Clock 1150\nMemory Clock 2100 (2150)\nThis may... take it closer to 30MH/s\nTruth be told, I found this 50/50 on my setup. Hope it works well for you.\n\n4GB Cards OverClock Tuning\nCore Clock 1260\nMemory Clock 2050 \nThis may... take it closer to 27-28MH/s\nSame experience as with 8GB, \n\n**- MORE Coming soon -**\n\n- Ensuring your Windows Mining Rig (or just bog-standard windows) is always mining on boot, will tools provided.\n- Monitoring the health status of your Mining Rig/Mining Setup\n- How to build a Rig. What i bought and how i build it. Costs involved.",
      "json_metadata": "{\"tags\":[\"ethereum\",\"rx470\",\"mod\",\"bios\"],\"image\":[\"https://lh5.googleusercontent.com/psX6RbHBNhYMxTiB-tRayPDME-g-meQ6NME9tWG78Ztj2ZKViYyFtWiilI3gakQmVRh8B4FLoxLi7C0=w2560-h1478\",\"https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478\",\"https://lh5.googleusercontent.com/ahGxRIWRI6pJ9bDAXRGtbMU_pC7aL-GxyPG7cxcVUoF6h0SQ6cyHZV3ZCG5pkerg1LU5X2I6qMga_wo=w2560-h1478\",\"https://lh6.googleusercontent.com/3ZlCiBb0Cig19HgT5HopoE8JGTMAZXOnBX29Vzj2ewmoQWMt3PHeHkr1DzjFMYNIAthiaQQRWq0iIVg=w2560-h1478\",\"https://lh3.googleusercontent.com/GZ1rzbBIWALlRzMAHVu6-1WDIrQ9dlUlz8_b_DlhG93D52H0s1Z9iQryQcilQ_OnbzbKf8HAcgYruV0=w2560-h1478\",\"https://lh3.googleusercontent.com/cMCzL67UrQYtXD8OOznGN8vFSCgSpdR0i8nZju4PimatvsCEFuOiEuXgfdHiia_Ix3ScPQ2UzUDmc9w=w2560-h1478\",\"https://lh5.googleusercontent.com/IBSO8-WX0NXBf-ALObVtTnKw3yo3hQWs-fR6tXtoM7fM7t-6VIjU8Hv826p8Alrcq3O2LbavxIuGtzA=w2560-h1478\",\"https://lh6.googleusercontent.com/kt4fz3Jtur3Jayhmc8McAdFR6qVnsFykAivHAE29GZmfT0N6Xixsa72ckjn-K1eQJbnp0EI0tNEzzeU=w2560-h1478\"],\"links\":[\"https://drive.google.com/open?id=0BwmZv0o6UAa7cjA4djNEZnF1YVU\",\"https://drive.google.com/open?id=0BwmZv0o6UAa7aXRuSE9jQm5ZMzg\",\"http://www.guru3d.com/files-details/msi-afterburner-beta-download.html\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}",
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      "title": "Mine more ETHereum with RX470/RX480 Bios Mods"
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      "body": "This is probably a good time as any to tweak and tune your ETH mining rig, to ensure to squeeze every MH/s from your setup.\n\n![](https://lh5.googleusercontent.com/psX6RbHBNhYMxTiB-tRayPDME-g-meQ6NME9tWG78Ztj2ZKViYyFtWiilI3gakQmVRh8B4FLoxLi7C0=w2560-h1478)\n\nI am building yet another Mining Rig, so here are my findings.\n\nOff the shelf, \n**AMD RX470/RX480 4GB makes about 21.5 - 22MH/s**\n\nWhile 8GB version,\n**AMD RX470/RX480 8GB makes about 23.5 - 24MH/s**\n\nSure, running 4 or 6 of these in your set would be quite sweet and usually no hiccups.\n\nExample of my rig performance, mix of RX480 + RX470 8GB cards.\n![How about some 15% performance boost? ](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\nThis part is a bit tricky, because, well, it  voids warranty for sure.\nSecond, as any responsible blogger i have to read out the usual,\n**DISCLAIMER:**\nNo warranty, no responsibility taken or offered for whatever action you take as a result of this guide, as far as your mining, rig, hardware and even sanity is concerned.\n\nNow that’s out the way, here is the list of the tools which you will need.\n\n**PolarisBiosEditor**\nThis will allow you to tweak your bios file\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7cjA4djNEZnF1YVU\n\n**ATI Flash**\nThis allows you to backup and Load(flash) the bios on your AMD RX-series card\nhttps://drive.google.com/open?id=0BwmZv0o6UAa7aXRuSE9jQm5ZMzg\n\nNOTE: My environment runs Windows 7 64-bit\n\nAfter the Bios Mod is complete, you could expect the following performance gain when mining ETHereum;\n**AMD RX470/RX480 4GB would start generating about 24.5 - 25/s**\n\nAnd 8GB Version,\n**AMD RX470/RX480 8GB to make about 27.5 - 28MH/s**\n\nNow, there are further power play tweaks which could be done to bring it into 30MH/s territory, but since this (for me) has made the card more unstable and basically crashed more often that the 2MH/s was worth. (was being greedy there)\n\n**Bios Mod Settings**\n**RX470 & RX480 8GB Mods**\nMOD: Timing Values \n1750 value copy into 2000 slot (overwrite)\nExpected Result: 28MH/s\n\n**RX470 & RX480 4GB Mods**\nMOD: Timing Values \n1500 value copy into 1750 and 2000\n1425 value copyinto 1625 \n1375 value copy into 1425 and into 1500\nMOD: POWERTUNE  \nTDP value change to 100w\nExpected Results: 25MH/s\n\nNow, **The How-To** Hope the below step-by-step guide helps;\nOnce, you have downloaded and unzipped the packages as necessary, \nremember to open **Polaris bios editor** and run it **as Administrator**.\n\n![](https://lh5.googleusercontent.com/ahGxRIWRI6pJ9bDAXRGtbMU_pC7aL-GxyPG7cxcVUoF6h0SQ6cyHZV3ZCG5pkerg1LU5X2I6qMga_wo=w2560-h1478)\n\nStep One, Save Bios Setting As they are.\nUse ATI Flash, to save the bios.\n\n![You could do well writing the whole name out in full, for own FYI](https://lh6.googleusercontent.com/3ZlCiBb0Cig19HgT5HopoE8JGTMAZXOnBX29Vzj2ewmoQWMt3PHeHkr1DzjFMYNIAthiaQQRWq0iIVg=w2560-h1478)\n\nPerform the Mod (updating the values as listed earlier) using the PolarisBiosEditor (run as Administrator)\n![](https://lh3.googleusercontent.com/GZ1rzbBIWALlRzMAHVu6-1WDIrQ9dlUlz8_b_DlhG93D52H0s1Z9iQryQcilQ_OnbzbKf8HAcgYruV0=w2560-h1478)\n\nSee Bottom-Right box in the PolarisBiosEditor. \n![Values to update are located in bottom-right](https://lh3.googleusercontent.com/cMCzL67UrQYtXD8OOznGN8vFSCgSpdR0i8nZju4PimatvsCEFuOiEuXgfdHiia_Ix3ScPQ2UzUDmc9w=w2560-h1478)\n\nThen save-as, as \"modified\" or \"modded\" so you have both saved for reference while keeping the original bios file as a backup.\n\n![Saving as modded](https://lh5.googleusercontent.com/IBSO8-WX0NXBf-ALObVtTnKw3yo3hQWs-fR6tXtoM7fM7t-6VIjU8Hv826p8Alrcq3O2LbavxIuGtzA=w2560-h1478)\n\nUse ATI Flash again, Load & “Program”\n![](https://lh6.googleusercontent.com/kt4fz3Jtur3Jayhmc8McAdFR6qVnsFykAivHAE29GZmfT0N6Xixsa72ckjn-K1eQJbnp0EI0tNEzzeU=w2560-h1478)\n\nAt this stage just be patient, as this will take 10-15 seconds and it may look like it’s unresponsive, but allow time before panic. I found that one particular Win7 install becomes unstable after flash is completed, and required a restart. \n\nIn either case, to see the effect of the updated hash rate, you should restart your OS.\n\nFinally, this Mod is done via Windows 7, but done directly to The AMD Graphics Card, so the latter could be moved to any Windows family/Linux and still retain its mod configuration.\n\nThats it. Enjoy.\n\nDone. This is very stable, and i had this running for weeks now in several rigs. \n![27.5-28MH/s Achieved](https://lh3.googleusercontent.com/V1UvIR5eOmhVYP7duD0QUFW4d4gZINd8czLmL7-xgS92D6xUg4XhDHnGMU_aCsHc41Hxaek5i8tnICQ=w2560-h1478)\n\n**OPTIONAL Overclock Tweak**\nOverclocking. Remember that good fan/cooling really helps. \nI use MSI Afterburner. You can download it via the link below.\nhttp://www.guru3d.com/files-details/msi-afterburner-beta-download.html\n\n8GB Cards OverClock Tuning\nCore Clock 1150\nMemory Clock 2100 (2150)\nThis may... take it closer to 30MH/s\nTruth be told, I found this 50/50 on my setup. Hope it works well for you.\n\n4GB Cards OverClock Tuning\nCore Clock 1260\nMemory Clock 2050 \nThis may... take it closer to 27-28MH/s\nSame experience as with 8GB, \n\n**- MORE Coming soon -**\n\n- Ensuring your Windows Mining Rig (or just bog-standard windows) is always mining on boot, will tools provided.\n- Monitoring the health status of your Mining Rig/Mining Setup\n- How to build a Rig. What i bought and how i build it. Costs involved.",
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      "title": "Mine more ETHereum with RX470/RX480 Bios Mods"
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