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Thread: 2015 Hardware
Post: RE: 4-6x 7990 build
| Don't do VCL, as you struggling with much more easy things. Do 2 to 4 cards setup on motherboard like:
UD7 (https://www.newegg.com/Product/Product.aspx?Item=N82E16813128508)
Put CPU like FX6300, FX8... |
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KT819GM |
Hardware
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39 |
63,647 |
11-17-2013, 11:13 PM |
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Thread: 2015 Hardware
Post: RE: 4-6x 7990 build
| I don't know what idea you want more as 4x7990(~800USD)+water blocks(~100usd/piece)+ddr4(next year?)+haswell(300+ USD) does not sound cheap at all, it' high end pc. VCL also is not considering as chea... |
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KT819GM |
Hardware
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39 |
63,647 |
11-18-2013, 12:35 PM |
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Thread: 50% CPU usage
Post: RE: 50% CPU usage
| 11.5 cataclyst + 2.5 SDK works ok with HD5970 on ubuntu 11.04 64bit. |
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KT819GM |
Very old oclHashcat-lite Support
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8 |
16,605 |
10-10-2011, 08:47 AM |
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Thread: 5970 spliting ??
Post: RE: 5970 spliting ??
| -d 1 means that you will use second gpu. Your first line should be -d 0 and second -d 1. Anyway, this type of split will go nowhere as you forcing one gpu to do 4 times more job than other. |
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KT819GM |
Very old oclHashcat-lite Support
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10 |
18,697 |
04-28-2012, 07:15 AM |
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Thread: 5970 spliting ??
Post: RE: 5970 spliting ??
| it's driver or hardware problem. If you were on linux, I would say - remove crossfire. On win sorry, can't tell anything but remove / install clean driver.
p.s. some people for one phone need 1,2 min,... |
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KT819GM |
Very old oclHashcat-lite Support
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10 |
18,697 |
06-05-2012, 06:43 AM |
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Thread: 6990 + 2x5970 GPU usage problem
Post: RE: 6990 + 2x5970 GPU usage problem
| For mix GPUs you have 2 choices:
1. Need to sync all GPUs clocks. (lets say all have to be 880Mhz)
2. You have to start different instances of cat and choose different ranges to scan. (like 1X6990 do ... |
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KT819GM |
Very old oclHashcat-lite Support
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2 |
8,606 |
08-27-2011, 07:54 PM |
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Thread: 7970 reaches 90 celsius
Post: RE: 7970 reaches 90 celsius
| I think at first he need to set fan speed manually to high revs. Auto will always reach 90 degrees. |
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KT819GM |
General Help
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4 |
12,907 |
03-24-2013, 07:53 AM |
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Thread: 7x 7970 problem
Post: RE: 7x 7970 problem
| It happens when you don't know what you are doing. Why are you using 3 PSU's? How did you connect everything, you not posting any details and hoping for real help. Also you are lucky if you did not bu... |
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KT819GM |
Hardware
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17 |
25,575 |
03-17-2013, 10:29 AM |
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Thread: 8 x AMD HD7970 @ 1050MHz
Post: RE: 8 x AMD HD7970 @ 1050MHz
| epixoip meant to take off fans and covers from gpu, to leave only heatsink on chip. Fans on your case should be enough to blow hot air from heatsink it it's something similar like tyan chassis. |
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KT819GM |
Hardware
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36 |
91,860 |
05-30-2013, 03:55 PM |
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Thread: 8K Budget
Post: RE: 8K Budget
| More than 4x6990? isn't it bottleneck for driver? |
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KT819GM |
Hardware
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7 |
14,385 |
03-07-2014, 09:53 AM |
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Thread: 8x GTX780 problem
Post: RE: 8x GTX780 problem
| I doubt anyone uses Windows with Tyan :/ |
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KT819GM |
Hardware
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11 |
28,239 |
11-04-2013, 12:35 AM |
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Thread: 8x7990 Power Requirements
Post: RE: 8x7990 Power Requirements
| Chiller for ~1125W of TDP? Electricity cost to feed compressor only will be high. That's if I correctly understood what cooling solution you want to do. |
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KT819GM |
Hardware
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8 |
20,918 |
08-21-2013, 09:13 PM |
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Thread: A Few Questions:
Post: RE: A Few Questions:
| HD6990 runs perfectly on x1 with low end cpu. As a card it still faster than 7970 so at the moment we have plenty of room in pciex1 |
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KT819GM |
General Help
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19 |
34,686 |
09-15-2012, 02:03 PM |
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Thread: About GPU
Post: RE: About GPU
| 7990 is same like 2x7970, so it's ~1.6x as fast as GTX980 for single hash. |
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KT819GM |
Hardware
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24 |
53,891 |
01-11-2015, 10:22 PM |
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Thread: About GPU
Post: RE: About GPU
| Reference design means how it's cooled not it's performance. |
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KT819GM |
Hardware
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24 |
53,891 |
01-23-2015, 10:39 AM |
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Thread: add wiki ?
Post: RE: add wiki ?
| Also could help on certain things. |
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KT819GM |
User Contributions
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16 |
32,514 |
09-21-2011, 10:46 AM |
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Thread: add wiki ?
Post: RE: add wiki ?
| Also some step by step for 'genious' people regarding radix most loved hash type m1900. Tips for using cat on linux, hardware types. |
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KT819GM |
User Contributions
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16 |
32,514 |
09-22-2011, 12:56 PM |
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Thread: After format speed goes down 50% on HD 7970
Post: RE: After format speed goes down 50% on HD 7970
| Try changing load n - xxx and also maybe before you used something like msi afterburner or overclocked your card with amd tools? |
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KT819GM |
Very old oclHashcat-plus Support
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13 |
19,455 |
10-21-2012, 04:39 PM |
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Thread: again : ERROR: clGetDeviceIDs() -1
Post: RE: again : ERROR: clGetDeviceIDs() -1
| Somehow you forgot to post any details about your os, card model, so what help do you expect? Yes, it's sad to us all that *hashcat not work for you. |
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KT819GM |
Hardware
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15 |
35,319 |
06-05-2012, 06:33 AM |
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Thread: again AMD (290X/390x) vs NV GFX 970
Post: RE: again AMD (290X/390x) vs NV GFX 970
| Almost every question you asked covered in forums. Don't be lazy to write in search: GTX970. About noise, yes, reference usually louder than oem. Most silent designs I saw was from gigabyte (those che... |
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KT819GM |
Hardware
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4 |
6,773 |
12-01-2015, 05:04 PM |
