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Attempting to Additional Optimize the Jasminer X4 1U ASIC Miner

SB Crypto Guru News by SB Crypto Guru News
November 5, 2022
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Attempting to Additional Optimize the Jasminer X4 1U ASIC Miner



5
Nov
2022

Attempting to Additional Optimize the Jasminer X4 1U ASIC Miner

We’ve been enjoying round with a Jasminer X4 1U Ethash and ETChash ASIC miner for a few days now and we’ve some extra issues to share with you in case you are within the machine. We’ve already coated some fascinating findings and attainable tweaks for the Jasminer X4 1U ASIC miner right here, however we continued additional making an attempt to optimize the miner and see if we are able to squeeze a bit of additional efficiency from it. Our subsequent apparent step was to disassemble the hashing board with the ASIC chips…

Eradicating the aluminium cooling heatsink, a single piece for the entire board, revealed the eight Jasminer X4 ASIC chips on the hashing board together with a controller chip and two reminiscence modules. And a ton of thermal grease that must be cleaned and changed earlier than assembling the entire thing again once more. Solely the controller chip isn’t coated with thermal grease, as an alternative it makes use of a thicker thermal pad for contact with the heatsink. All the chips did have a great contact with the heatsink, so supposedly no anticipated points with thermal switch and cooling right here. So, our hopes of getting a little bit of thermal enchancment by changing the thermal compound with a greater one would most likely finish in useless, however since we nonetheless have to interchange the thermal interfacing materials we’ll do it.

Cleansing up the entire thing correctly does require some effort and time as because of the measurement of the crystals on the Jasminer X4 ASIC chips it’s like cleansing 8 CPUs of computer systems. And you want to be sure you are cautious not damaging something, although the cleaned-up board and chips do like fairly good. We’re reusing the unique thermal pad for the controller chip as we don’t imagine it’s crucial to interchange that one with a extra environment friendly one anyway.

The primary controller chip on the hashing board is a Trion T120 FPGA together with two DDR3 reminiscence modules proper subsequent to it (no, that’s not how 5GB of reminiscence seems like!). That is the controller chip for the Jasminer X4 ASIC chips that’s getting used on the hashing boards, the miner does have a second FPGA controller chip with separate RAM chips on the principle management board that hosts the software program and net interface of the miner, there nevertheless we discover a Xilinx Zinq chip.

Here’s a single of the eight Jasminer X4 ASIC chips in a forty five×45 mm package deal (678 sq. millimetres die measurement) with 1TB reminiscence bandwidth, 5GB of reminiscence and a hashrate per chip of 65 MH/s with every of the chips having 384 computing cores and 384 on-chip dies in response to the producer with a 512-bit bus width, an working frequency of 800 to 1 GHz and an influence consumption of 23 Watts.

We’ve used the Arctic Cooling MX4 thermal compound to cowl the chips earlier than reassembling the hashing board with the aluminium heatsink. It’s a decently priced high-performance product that we like to make use of together with Noctua’s NT-H1 resulting from their nice value/efficiency ratio, and there doesn’t appear to be a lot level to attempt to use costlier resolution anyway. When making use of different thermal compound ensure to place a little bit extra on the reminiscence chips as there the hole with the heatsink is a little more in comparison with the one of many ASIC chips.

We’ve in contrast the hashrate and working temperature of the Jasminer X4 1U ASIC miner earlier than altering the thermal compound and after doing so, leaving the machine to hash for greater than 10 hours with the intention to get a great common of the working temp and hashrate. Do observe that that is our already silent modified unit with changed followers and firmware, so your machine would possibly report a temperature vary and never a single quantity. The earlier than and after outcomes are very related, just about the identical common hashrate and simply 1 diploma Celsius distinction, so there’s actually no must mess around with the thermal grease because it is not going to offer you a lot of an enchancment. We additionally did an influence utilization measurement earlier than and after on the wall, the outcomes there weren’t a lot completely different as effectively – 266.1 W earlier than and 265.7 W after the thermal grease alternative.

The subsequent factor we wished to check out right here was to make use of a distinct energy provide than the one the Jasminer X4 1U comes geared up with. There are three apparent causes to interchange the PSU – to see if the 300W of the inventory one is perhaps a limiting issue, to make use of a silent energy provide and to probably get a decrease energy consumption. We’ve related a 1000W Corsair HX1000i energy provide (Platinum effectivity score) to the ASIC miner rather than the inventory PSU and sadly the outcomes had been probably not that encouraging. You get a silent energy provide because the HX1000i runs passively at sub 300W of energy utilization, however the energy consumption measured on the wall was 263.7 W or simply 2 Watts much less in comparison with the inventory PSU.

The opposite factor we wished to examine with the extra highly effective energy provide was if the Jasminer X4 1U would be capable of run at 250 MHz working frequency with the brand new thermal interface materials in place and greater than sufficient energy. Sadly, our miner continued to dislike the 250 MHz working frequency returning quite a lot of errors making an attempt to hash and thus successfully working at a fraction of the particular efficiency you get at 225 MHz the place all the pieces runs secure and with out errors. So, the truth that at 250 MHz the mining machine makes use of nearly 300 Watts of energy measured on the wall doesn’t imply that the inventory PSU isn’t capable of deal with that. And we don’t suppose that the cooling of the ASIC chips can also be a problem right here for them not be capable of run correctly at 250 MHz.

Jasminer X4 does include an excellent thermal grease already utilized, so no want to interchange it. The inventory 300W PSU can also be actually good when it comes to effectivity and isn’t limiting you operating the miner at greater clocks. The one factor is that the inventory energy provide is kind of noisy and also you would possibly need to modify or substitute it in case you are making your miner right into a silent one like we did with ours. Plainly Sunlune already did very effectively with the {hardware} aspect of their Jasminer X4 ASIC miners, each when it comes to effectivity and efficiency. What they might work a bit extra on nevertheless is the software program aspect as their gadgets don’t at the moment help dual-mining ETH/ETC-based cash together with ZIL, one thing that would simply deliver the miners an additional 30-40% revenue. The dearth of this characteristic signifies that a competitor with dual-mining help already out there can simply present the identical profitability with a less expensive machine that has decrease hashrate and/or isn’t as energy environment friendly because the Jasminer X4.

  • Publihsed in: Mining {Hardware}|Assessments and Critiques
  • Associated tags: Etchash ASIC, Etchash ASIC miner, Ethash ASIC, Ethash ASIC miner, iPollo, Jasminer, Jasminer modification, Jasminer evaluation, JASMINER X4, Jasminer X4 1U C, Jasminer X4 1U {hardware}, Jasminer X4 1U hashrate, Jasminer X4 1U mining, Jasminer X4 1U efficiency, Jasminer X4 1U profitability, Jasminer X4 1U evaluation, Jasminer X4 1U silent modification, Jasminer X4 1U value it, Jasminer X4 1U-C evaluation, Jasminer X4 1U-C silent modification, Jasminer X4 ASIC, Jasminer X4 ASIC miner, Jasminer X4 hands-on, Jasminer X4 miner, Jasminer X4 evaluation, Jasminer X4 silent, Jasminer X4 silent modification, Jasminer X4 take a look at, JASMINER X4-1U, Sunlune, SUNLUNE ASIC, SUNLUNE X4 ASIC

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