Post
Topic
Board Hardware
Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-389/807 EUR April
by
QuiveringGibbage
on 19/04/2014, 02:38:57 UTC
Hey marto74,

Would you care to comment on the quotes below? Particularly, aopa38's claim that different batches will perform differently? I understand ASIC chips have grades and h/w performance will vary between units; But do you grade your h/w and how is it distributed to your customers? Do some customers get favouritism over better performing h/w? How does one get the cream of the crop h/w?

aopa38's 2nd claim is to run the HEX8A1 at 270GHs. Presumably this is Turbo, Turbo Mode. Is it recommended to run these units at 1050V? I know the numbers are possible, i've tried them, but the results are some what disconcerting that I ran my units at a lower V and F and still manage to get just under 260Ghs. Of cause I'll be happier running them at 270GHs if you say its not a problem.

I'd like to see what h/w error rates you are getting when you run them at 270GHs. Please do tell Smiley

Technobit advertises 260GHs "Hash rate - about 260  Gh/s overclocked in turbo mode" (http://technobit.eu/index.php?id_product=63&controller=product&id_lang=1) and you are saying "270  Gh/s overclocked in turbo mode"? So is this like turbo, turbo mode?

I hate to be a troll but I am really not; Cause really, you are just exaggerating the facts to make financial gain. That's dishonest Angry Prove I'm a troll and show me pics of you running those boards at 270GHs with min. H/W errors. Or you can tell me what freq and a V settings you are using to achieve those Hashing rates.

Maybe it's cooler in Canada now then it it is in Australia. But iirc, it's Spring there atm?

Cheers,
QG
It depends on which batch of boards you get from Martin at Technobit. The difference in the A1 chip between batches in particular is quite big.

As for settings, 270 / 1050 will normally get you 270GH/s although in the past we have had some boards which can do it with less voltage.

We run over 200 Coincraft boards in our converted warehouse with an ambient temperature of 28 C. They have run stable since the start of March. I'll update the thread with CGMINER stats ASAP.

Cheers,
QG