A Review Of antminer s19 pro hash board
A Review Of antminer s19 pro hash board
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④ Detect if the pins of the primary chip are usually not soldered appropriately (there are actually tins over the pins within the aspect in the repair system, but soon after getting rid of the chip, it's located that the pins aren't stained with tin);
If your check chip is just not absolutely detected, the board must be repaired. If it is typical once the check, take out the hash board separately, use the check fixture to hold it to the Debug master software to mine, and modify the supporter pace to ninety five%.
c) Liquid crystal display Exhibit ASIC113: (Reporting 113), it signifies that the hash board can detect 114 chips at 115200 baud rate, but only 113 chips are uncovered at 12M baud rate, and one particular chip couldn't be observed at 12M baud charge; Repair strategy: Using the dichotomy technique, quick-circuit the 1V8 check level along with the RO test point involving the 38th and 39th chips Using the quick circuit probe. When the log can discover 38 chips, there isn't a difficulty with the initial 38 chips; if short-circuiting the 47th chip, although the log stories forty sixth, it signifies which the 47th chip can't be detected, and there's no issue With all the Visible inspection. Typically, the 47th chip shall be replaced; Figure five-fifteen d) LCD Exhibit ASICNG: (X, a certain chip is fixedly noted), There's two predicaments: d-one) The first case: the check time is basically the same as the good board (generally the value of X will not likely adjust every time you test) (examination time refers to the time from when the beginning check button is pressed to time when the results of ASICNG: (X) is exhibited about the Liquid crystal display). This case is probably going to be attributable to the abnormal resistance welding from the front and rear CLK, CI, and BO of your Xth chip, so people shall give attention to these 6 resistors. The little probability is due to X-1, X, X+1, that is certainly, One of the 3 chips, the next pins irregular welding conditions from the chip take place: Determine 5-16 d-two) The next case: the exam time is sort of twice as long as The great board (at times the worth of X will modify whenever you test, and occasionally X=0); at the moment, the log generally has the following details (the purple variety is not thirteen sometime, determined by which seat the hash board tester is linked to); through the exam, believe the area voltage of every one of the fields before the abnormal posture is sort of under 0.3V, as well as domain voltage of the again fields are almost all greater than 0.34V. This case is attributable to the chip not being soldered effectively, usually one.8V, 0.8V, RXT, CLK are not soldered very well. It is usually recommended to straight evaluate the area voltage to Identify which domain is the problem. The 1V8 and RO quick-circuit method used in segment a) could also Find the abnormal placement;
log-domain voltage print command The particular functions are as follows: Open up putty , enter the IP of the miner in query and click on OPEN Figure six-seven two. Enter the person name, password and test command to check the NONCE reaction status plus the standing of voltage area. If your NONCE and domain voltage are irregular, user can carry out measurement and servicing based upon the printed irregular chip.
nine. When changing a brand new chip, thoroughly clean the pins and implement solder paste to make certain that the chip is coated with tin ahead of soldering.
③ After the Visible inspection is Okay, the impedance of each and every voltage area is often detected to detect no matter whether There's a brief circuit or an open up circuit. If discovered, it should be addressed 1st.
a) Once the Liquid crystal display Display screen ASIC NG: Antminer s19 Hashboard (0), to start with measure the whole domain voltage of 21V along with the boost circuit voltage of 25V after they are typical. Then use a short-circuit probe to shorter-circuit the RO take a look at point and 1V2 check issue among the 1st and next chips, then operate the chip getting system.
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Go on to research with dichotomy until finally the problematic chip is found. Assuming that there is a trouble Along with the Nth chip, when the 1V8 and RO between the N-1th and Nth chips are shorter-circuited, N-one chips can be found, but if the 1V8 and RO in between the Nth and N+1th chips are small circuited, the entire chip can not be discovered.
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If your shorter-circuit is still existing, you'll be able to unplug the CPU and measure once again. Other voltage abnormalities normally exchange the corresponding voltage converter IC.
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Right after replacing the parts, watch for the hash board to chill down and make use of the hash board tester to test. Once the test is handed, set it apart and cool it down.
4) No hash rate soon after running for just a period of time, mining pool relationship is interrupted: Verify the network.