How antminer s19 hashrate can Save You Time, Stress, and Money.
How antminer s19 hashrate can Save You Time, Stress, and Money.
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10. If your nonces of most chips in the whole miner or one board are returned to 0, it is frequently a chip welding dilemma. Reinstall it and it will be Okay.
Repair technique: Check out the appearance, evaluate the chip capacitor or resistance in entrance, commonly It really is a result of lousy chip soldering or perhaps a chip capacitor, resistor damaging or irregular resistance;
Test the welding quality of the warmth-sensitive chip plus the modest heat sink. The deformation of the large warmth sink content will lead to very poor warmth dissipation with the chip and influence the temperature change. Figure 5-14 four. Phenomenon: Solitary board detection chip is not finish (PT1/PT2 stations) a) LCD Screen ASICNG: if (0), initially measure the overall voltage from the measuring domain as well as the Strengthen circuit 19V is typical, after which make use of the limited-circuit probe to quick-circuit the RO exam place and the 1V8 examination issue among the main and the next chip, and afterwards function the program to discover the chip. Considering the serial port log, if 0 chip remains to be discovered presently, It'll be certainly one of the following conditions: a-one) Make use of a multimeter to measure whether the voltages on the 1V8 and 0V8 take a look at factors are one.8V or 0.8V. Otherwise, it suggests the one.8V or 0.8V LDO circuit of this domain is irregular, or the two ASIC chips of this domain is just not soldered very well; most of this are a result of limited circuits of 0.8V, 1.8V patch filter capacitors (evaluate the resistance on the patch filter capacitors connected to the front and back in the PCBA). a-two) Examine if the circuits of U1 and U2 are abnormal, including resistance welding, and so forth.
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8. When changing a whole new chip, thoroughly clean the pins and utilize solder paste to make certain the chip is coated with tin just before soldering.
Pattern NG is attributable to the large distinction between the traits on the chip as well as other chips. At present, it really is located the chip die is ruined, so just replace the chip. According to the log info, the substitution principles are as follows:
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two. Following the plan inspection is Okay (small circuit detection of typical program inspection is important, so as not to burn off the chip or other elements as a consequence of quick circuit when the ability is turned on), the chip might be tested While using the test fixture, along with the judgment and positioning might be carried out according to the test result of the test fixture;
Maintenance personnel needs to have Digital knowledge, a minimum of one particular 12 months of upkeep knowledge, and proficiency in BGA/QFN/LGA packaging and welding engineering.
seven) A single hashboard has reduced hashrate: As for this case, you may log in to the IP through the Putty software package to watch if the domain Operating voltage of this board is regular and whether the NONCE return is standard. You are able to repair it In line with Putty LOG prompt.
① First of all, visually inspect the hash board to view if there is any deformation or burning of the PCB. If there is any phenomenon, it have to be handled 1st.
three. The check SD card will be manufactured In keeping with the necessities, as well as the double-sided warmth sink eight-periods Patter take a look at must make an SD card, as demonstrated in the figure under;
② The next scenario: Micro-short circuit concerning signals (0-many ohms), brought on by the modest resistor worth of the chip pins, first utilize a heat gun to solder and see if it is OK;
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