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  1. JonJ678

    Any dual slot AMD 6000 series that don't pull air from the side?

    I found a bunch of reviews celebrating the air in the side out the top design which seems a shame. The radeon pro line will be out of budget I expect. Use case is numerical modelling. A bit niche I suppose, maybe crossfire/sli isn't a thing these days. Maybe bite the bullet and watercool it...
  2. JonJ678

    Any dual slot AMD 6000 series that don't pull air from the side?

    The faster 6000 cards are 2.5 or 3 slots wide. If we ignore those and only look at 2 slot it looks like the 6800 is an option. I'd like two of them, installed right next to each other, without one overheating. So air in from the end and out the back. Are there any models that will work in that...
  3. JonJ678

    Can't find tygon tubing. What do people use these days?

    Great context on the drop in popularity of tygon there, thanks! Distilled water w/ copper/nickel/brass/steel and some silver wire worked ok for a few years, never got around to working out which anti-corrosion additive would stay in solutionand not attack the tubing or O rings. It may have...
  4. JonJ678

    External water cooling

    Working out how to at present. I like the look of the aqua computer controllers. Controller, pump, fans and some sort of power supply outside the case, all based off water temperature. Currently stuck on powering it without adding a whole ATX PSU.
  5. JonJ678

    Can't find tygon tubing. What do people use these days?

    My recollection with compression fittings is that the tube twists as you tighten them down. That makes it difficult to get the fittings screwed in to the right torque without leaving twist in the tubing that tries to unscrew the fitting as it warms up. That seems inherent to compression...
  6. JonJ678

    Can't find tygon tubing. What do people use these days?

    Aside from the hard plastic movement which looks far more bother than I can deal with. I was thinking barbs + tygon + jubilee clamps. Used to use black tygon and compression fittings but the latter are a bit of a pain to attach. Mostly interested in flexible + resistant to kinks, will be...
  7. JonJ678

    Aqua Computer Aquaero Owners thread

    Ah, that's convincing. Cool, thanks! edit: turns out to not matter. The spec sheet claims 0.5A of 5V, i.e. 2.5W. The search term "12V to 5V converter" finds loads of things that can be attached to a molex to run the controller off 12V. It doesn't have to be built in.
  8. JonJ678

    Aqua Computer Aquaero Owners thread

    Anyone know if the 5V molex input is used? Trying to find out if I can run one of these off 12V alone. Edit: Also, any problems running D5 pumps off these? There seems to be aquaero branded d5 pumps and some comments about EK ones not working with the controller Edit: Found a review at...
  9. JonJ678

    Is it possible to get a router that can deliver 1gig over wifi?

    802.11ac (circa 2016) can nominally push that. Note that you need both the access point and the machine connected to it to be capable of such, and latency is still going to be bad relative to cables. Network hardware gets surprisingly expensive. I like the ubiquiti range, which is somewhere...
  10. JonJ678

    Dual PSU in practice. How good is it?

    Can obviously sink 800W through water. It's a big heatspreader and beyond that it's just having enough radiators to pick the water temperature. I don't know if you can do that sort of heat load through nitrogen, guess it depends how fast you pour it into the pot. I'm new to this generation...
  11. JonJ678

    GIGABYTE - Support website has been inaccessible for weeks now.

    Sad that they're having a bad time with power supplies and IT security. Didn't know they made power supplies but the latter is bad. Gigabyte have made solid boards for years and as far as I can tell are still doing so. Reliable as opposed to flashy. The recent led enthusiasm may be a bad sign...
  12. JonJ678

    Dual PSU in practice. How good is it?

    The cable referenced above handles turning them both on at the same time but doesn't say anything about a voltage between the two '12V' rails. I'm having a hard time finding out whether that's a problem in practice, consensus seems to be "looks bad, but doesn't obviously break things". I have...
  13. JonJ678

    Dual PSU in practice. How good is it?

    I'm trying to work out how to power a threadripper multi-gpu workstation. Looks like the CPU can pull 800W and the cards 400W apiece, so that blows past the 1600W limit on the most expensive ATX PSU I can find (a Corsair one). The options seem to be downclock/power limits or fewer GPUs. There...
  14. JonJ678

    Getting back into it

    I'm confused by the degree bit. It reads like "I dropped out, but if I didn't, probably would have passed" which seems a bad thing to lead with on a CV. A degree is helpful but not necessary for finding work in software. A portfolio is likewise helpful but not necessary. With neither, you're...
  15. JonJ678

    Nvidia CPU's? Nvidia is looking at a takeover bid for ARM

    It's not in the remit of the UK government to block an acquisition of a UK tech company that wants to sell. If we try that branch of communism, tech companies will incorporate elsewhere to avoid the risk of being blocked from exiting. I think Nvidia has a rough road ahead. AMD's GPUs are...
  16. JonJ678

    *** AMD ThreadRipper ***

    8 channel threadripper seems unlikely. Board + chip would end up costing about the same as the current epyc chips. Since it would basically be one.
  17. JonJ678

    Question for professional chair engineers

    I think the answer has to be "it's fine". Though I don't make desk chairs for money. The chair doesn't weigh as much as the person, so upside down compression from self weight isn't a problem. The chair mechanism is either springs, which won't care, or pneumatic (conceivably hydraulic) which...
  18. JonJ678

    Developer Training

    There are some boot camp things where you pay some amount and get training, then go off and try to find an employer. I was skeptical but it worked for a friend crossing over from marketing, so maybe. I did the intro to python course on codecademy. Not great, not terrible. Free. Lots of books...
  19. JonJ678

    Email etiquette

    Just a thought experiment - how long does it take to type the extra words you'd like to see - how many emails are written each year - how long does it take to read the extra words and check that don't contain any information - how many people read each email Multiply up the numbers, think of...
  20. JonJ678

    newbie facing contractor work- IR35, tax, PAYE- HELP!!! ARRGH

    The tests for whether you're an employee or not are subtle and strongly geared towards deciding you are an employee. Needs legal / accounting advice to find out which you are reliably. I'd suggest taking a role as an employee instead. Far less hassle.
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