Topic: ★ ZEIT ★ [COMMUNITY & KNIGHTS] [ULTRA LOW INFLATION] [MICRO-PAYMENTS] - page 578. (Read 1009334 times)

Hopefully just having to trawl through the dozens of duplicate emails/PMs/DMs which will be doubling/tripling/quadrupling etc.. the amount of time it takes.

I was kidding about buying at 3

If you hadn't noticed I have quite a 'South Park' S.O.H. most of the time.

But seriously, a small amount of btc spent wisely in small amounts is making a difference right now, if a few of us work as an ad-hoc team we can keep the 'official' price @ 2 for quite a while, maybe shift some of those greedy bar-stewards off 1 sat & get them buying. Also stop people from throwing away hard-mined Zeits for half what they could be getting. I mean, bloody hell, why are they even bothering to auto-sell at 1, they might as well either quit zeit or even better stop mining altogether.

You don't wanna be buying more GPUs in a couple of months. It's time to start saving for ASICs or putting deposits down.
Will save you SOOO much electricity you won't have to really worry about covering the bill each month, at least, not for several months when there are far more ASICs about, at which point GPU mining will be dead.

still havent got my zeit, what is dev doing right now?

I`m waiting my new 280x Gigabyte and untill it comes now i mine with an 6970 at 480kh/s at doge and then sell them and buying Zeit at @ 2

I sell my card today a gigabyte 7870 and tomorrow i`ll have in my pc a Gigabyte 280x.I`ll put it in an corsair 900d and i think i  will not have any problems but after a month or two i`ll have another Gigabyte 280x what`s the best solution fo me??

haha i've been watching that, I was wondering who was doing it lol.
I've been buying @ 2  
the people selling @ 1 are like "what the wha?"

a wall of 17.33473106 BTC  

Good info on the cooling, TuxNut. Thanks for posting it!! If I ever have enough spare change lying around to invest in a mining rig I will be sure to hit you up for some setup advice!

Me toooooooooooo

You can't just buy @ 3, you'd have to get through the 2 wall first.

I may join you! haha

Putting additional cooling fans around the cards will not always lower the temps, it may just lower the fan speeds, depending on how you have CG/SG/BFminer set up.

For my 6 R9 290's they're:

"auto-fan" : true,
"gpu-fan" : "60-95",
"temp-cutoff" : "95",
"temp-overheat" : "92",
"temp-target" : "85",
"temp-hysteresis" : "2",

These are cards with the original stock cooler which is REALLY loud and the cards run very hot (by default the cards will run up to 95 degrees before dialing the speeds back but the fan will only be running at 57% as AMD didn't want them to be too loud for most people).

Hence the fans spin up and down to keep the temp @ 85 degrees, however if I used;

"auto-fan" : false,
"gpu-fan" : "80",
"temp-cutoff" : "95",
"temp-overheat" : "92",
"temp-target" : "85",
"temp-hysteresis" : "2",

The temps would increase and decrease depending on the ambient temp until they reached 92 degrees when the fans would spin up to 100%, if that's insufficient or the ambient rose too quickly and the temp reached 95 degrees, the cards would stop mining until the temp got back below 95.

Keeping a stable temperature, clock speed and voltage will greatly increase the lifespan of the cards over a changing temp/speed/voltage.
This is because
A changing temperature will mean the materials will be expanding and contracting constantly (specifically the solder) and therefore break themselves
A changing clock speed doesn't make too big a difference providing the cards aren't changing their own voltage but it still puts additional strain on the chips
A changing voltage will be changing the temp and putting more/less load on the voltage regulators increasing their work.

Every little bit of stability helps. You have to remember, these are consumer grade cards, designed to run around 70-90% load for 1-3 hours a day not flat out constantly.

Think of a car (most easily recognised analogy rather the most accurate), if you run a car flat out constantly for days and days (assuming you can supply fuel) it's not going to like it too much, but it's better than run constantly at changing speeds from max to 70% to max as you have to keep changing gear (putting strain on the gearbox, clutch, driveshafts).

Additional cooling to supply cool air to the GPU fans is a good thing though, it means the card's fans can spin slower to maintain the same temp which means they'll last longer.
A lower temp is also preferable and will use less electricity due to current leakage and resistance, but you have to live with these things in a house usually, so noise becomes an issue.
Try to run at the lowest temp for the max noise you can cope with while ensuring that you rig's safe from rain (and potentially fog).
EDIT: Also, make sure to have the external fan as close to the coolest air as possible while ensuring the cool air it's pushing towards the cards can actually reach.
Putting the fan as close as possible to the cards is rarely the best idea as it'll end up pulling some of the hot air from the cards back through recirculating it, the air doesn't just come from the back of the fan, what also happens is a low pressure area is created infront of the fan due to the fast moving air. The surrounding air will try to fill that area as fast as possible from wherever it can.. Think of when changing the binliner in the kitchen, when you put the bag in, it's all tight, so you blow in there to open it out. If you put your head right in there, the only air to get in will be from your lungs, blow in from further out and you end up with a lot of the surrounding air going in too Video example

Aftermarket coolers and particularly water cooling or mineral oil cooling is great.

Aftermarket coolers are nearly always far better at cooling than the ones that come on cards from the factory (especially the R9 290(x) stock coolers which are terrible), giving better temps at far lower noise levels. ~ £30-£40 per card

Water cooling allows the radiator to be put in an optimal location, allows the cooling capacity to be shared around all the cards attached and can allow for easy expansion in the summer or when adding additional rigs. A significant drop in power consumption is also possible (~10% depending on GPU and cooling capacity of your setup). ~£800-1000 for 6 R9 290s (then £80-100 per card thereafter until an additional or larger radiator is required)

Mineral oil (submerged) cooling is excellent for cards doing mining as it cools the entire card equally and is relatively cheap. The big downside though is if you have to change anything its very messy. ~£300-£500 per rig

I'd be happy to give folks advice on cooling their rigs better on a case by case basis, it gets tricky when talking about specifics on a general basis as we're talking here about rigs of 3 x R9 270s (400W) upto 6 x R9 290x's. (2.5KW) and varying budgets, climates acceptable noise levels etc...

EDIT: This video is worth a watch if you're not experienced at fiddling with computer hardware and all the above was interesting and useful for you, give this video a try

Linus Tech Tips: Safe PC Temperatures as Fast As Possible

Luvvin it!

I've single-handedly started a mini buying feast on Mintpal

Traded my mined Cat & Doge for Btc on Cryptsy (for the voting points) moved 0.016 Btc to MintPal & started buying 100,000 Zeit @ 2 satoshi a time after every 2 sales @ 1 satoshi had gone through, now lots of other peeps are doing it too.

Would it be REALLY evil of me to buy a few hundred @ THREE satoshi, just to shake the mix up a bit?

why did u have so much there? and where have you been?

...fuck  the cr

That's wishful thinking!

i have  91,927,880 coins in cryptorush,
How can I do。。

I agree that different cards can handle different amounts of heat. But that doesn't necessarily mean that running them up to or exceeding those temperatures is going to be fine in the long run. Air flow is very important for heat dissipation, and it sounds like you have a good setup with plenty of air flow. And you made my original point too when you said that you put a cheap external fan on top of your sapphire rig and the temps immediately fell. That was the point I was trying to make.

excellent!
that's what I'm talking about lol dedication.
hopefully a few people can chime in here with some aid.