The Greatest Guide To hashboard antminer s19
The Greatest Guide To hashboard antminer s19
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Almost certainly, the IP can not be discovered as a result of irregular operation. Check with the main stage for troubleshooting.
d-1) The 1st circumstance: the examination time is essentially similar to The great board (commonly the worth of X will never alter each time you check) (take a look at time refers back to the time from when the start test button is pressed to the results of ASICNG: (X) shown to the Liquid crystal display). This case is probably going being due to the irregular resistance welding on the front and rear CLK, CI, and BO from the Xth chip, so end users shall center on these 6 resistors. The small probability is because of X-1, X, X+one, that is, among the a few chips, the subsequent pins abnormal welding conditions in the chip come about: Determine 5-sixteen d-2) The 2nd circumstance: the take a look at time is sort of 2 times as long as The nice board (from time to time the worth of X will alter each time you examination, and at times X=0); at the moment, the log ordinarily has the subsequent facts (the pink number just isn't 13, depending on which seat the hash board tester is connected to); through the examination, suppose that the domain voltage of all of the fields in front of the abnormal situation is sort of less than 0.
Specifically evaluate the domain voltage to Identify the problematic domain, or utilize the 1V8 and RO short-circuit method to Find the abnormal position.
Repair method: in the course of the PT2 test, Check out the serial port print log. When the serial port starts to function for your long time, use a brief-circuit probe to shorter-circuit RO&1.
; secondly, once the Visible inspection is passed, the impedance of each and every voltage area is usually examined 1st to detect irrespective of whether There exists a brief circuit or an open up circuit. If discovered, it need to be handled 1st. In addition, Look at whether the voltage of each domain is about 0.36V.
Pattern NG is caused by the big difference between the properties on the chip and other chips. At present, it is actually located which the chip die is broken, so just substitute the chip. In accordance with the log facts, the alternative rules are as follows:
If there is absolutely no three.3V output, Check out the link position from the hash board tester cable plus the hash board.
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● When locating the faulty chip, the chip has to be welded all over again. The tactic is to add flux throughout the chip (ideally no-cleanse flux), and warmth the solder joints in the chip pins to your dissolved condition to prompt the chip pins and pads to re-operate in and accumulate the tin, In order to achieve the effect of tinning once more. In the event the fault continues to be the same following re-soldering, you'll be able to right replace the chip.
Should the voltage benefit has a large deviation, Examine it Along with the calculated worth of the adjacent group to determine The difficulty.
When the serial port stops long-distance functioning following the shorter-circuit, it means the 1st chip is Alright. In accordance with this technique, find the chip that still fails after a long-distance jogging following a chip small circuit. Generally, it truly is because of a damaged chip, and you can swap it;
As outlined by this technique, locate the chip that also has the long-phrase running failure right after a specific chip is brief-circuited. Generally, it is due to a specific chip damaging, so just substitute it; Figure 5-20 7. Phenomenon: PT1 chip check is Okay, PT2 purpose exam often stories a particular chip NG;