I'm not too sure about that card tbh. The BIOS flash is not to put a more up to date BIOS on, but to put a different BIOS on which doesn't suffer from the low scrypt hashrate. As i say this is a problem with certain cards, usually the OC / Ghz editions.. Just to confirm, your card is a normal Gigabyte, not OC or Ghz edition or anything?

Try the following and let me know what hashrate you get: -s 2 --thread-concurrency 20992 -I 13 -w 256 -g 2    With 1040mhz/1081mV GPU and 1500Mhz/1500mV RAM.

*Edit - reading your post more closely, am i right in saying you have an OC edition card? If so then i'm pretty sure a BIOS flash to the non OC version would work.

Also if anyone's interested, my 7970's use about 250w each at these settings.

Hi, only just seen your post.

Just to check quickly, as it wasn't in the command line you wrote - did you use -g 2 (-g is threads per GPU btw) with the 7970? If you don't put - g 2 in i believe it uses -g 1 which gives a lower hashrate.

I currently use this for my 7970's btw:       -s 2 --thread-concurrency 20992 -I 13 -w 256 -g 2    1040 gpu / 1500 memory (1081mV/1500mV)

Cheers, i'll give it a try. Is it just port 11082 i need to forward?

Thanks for the reply. Do you mean forward the ports on the router?

I haven't messed about with port forwarding since my counterstrike days, but i should be able to work it out.

Hi,

So i'm solo mining WDC and i seem to get about double the amount of rejects than i do accepted.

I'm not sure how much this is affecting my actual income, as for example yesterday i got 12 blocks accepted (about 25 rejected) - and on average i should of gotten 15 blocks, so not far off, plus the difficulty went down during the day so 15 blocks was for the new lower difficulty.

Sometimes i'm not finding an accepted block in 6+ hours when i should be finding one about every 1.5 hours, could be luck though (lot's of rejects found though, as i say, too many).

I'm using the following for my 7970's and my 6850:

cgminer --scrypt -o localhost:11082 -u xxxx -p xxxx -d 1 -d 2 -s 1 --expiry 1 --queue 0 --thread-concurrency 20992 -I 13 -w 256 -g 2 --lookup-gap 2

cgminer --scrypt -o localhost:11082 -u xxxx -p xxxx -d 0 -s 1 --thread-concurrency 6144 -I 16 -w 256

Anyone any idea what's going on?

I've had people tell me it's due to the short block time and someone else finding a block slightly before i did - but this doesn't explain why if the amount of rejected blocks were actually accepted, i would be making way over predicted.

Cheers

Just to say, i think i heard someone say using the Gigabyte BIOS on a Sapphire Vapor-x Ghz does not boot. I may be wrong though, just a warning as that guide states to use that BIOS for a sapphire vapor-x - I can 100% confirm the BIOS i said, which is a sapphire BIOS will work for the Vapor-x ghz.

Good to know that BIOS works for an XFX though, i had people tell me they got it working for XFX cards but forgot to ask which BIOS they used.

Hmm i wouldn't of thought it would brick it - you should just be able to boot off another card and re-flash.

If flashing to a reference BIOS doesn't work as you say, i would of thought there would be a suitable BIOS somewhere, it would just be about finding the right one.

I'm going to start taking more details down when i help people.

If anyone has been helped by this using a non sapphire card, can you please post the exact card you have and the exact BIOS you flashed with that worked.

Cheers

Which card do you have?

try increasing the gpu voltage a tiny bit.

Then i would think a bios flash would work

What is the exact card? e.g black edition / double d black edition

I had a guy who i think said he had a black edition and got it up to 700Kh/s but i can't remember which BIOS he used.


Hmm i'm not sure about the HIS - i don't know anyone who has tried the BIOS flash for that card.

What is your hashrate on scrypt currently?

So i fell asleep and when i woke up GPU 0 displayed as "DEAD".

I may of jumped the gun a bit. I'm going to leave it on overnight and see what the situation is in the morning.

The worst that could happen would be you would brick your card, unlikely but possible. But if the BIOS didn't work, you should just be able to boot off another card and re-flash the BIOS.

You could accidentally flash it if you didn't put the correct device number in the flashing utility - If you are worried about that just take it out when flashing.

It's up to you, i'd do it, but i do take risks with my tech sometimes..

It get's like that in a day

As requested:

There is more to it. It's the actual BIOS, rather than the settings the BIOS sets the card to, that seems to be the problem on certain cards.

It depends which xfx you have, but i had a couple of guys now i think who have gone from 550Kh/s up to 700Kh/s with certain XFX cards after a BIOS flash. If you are using the setting i suggested and still only getting 550Kh/s then i'm pretty confident it's the BIOS holding it back - I am not sure which XFX Bios would work, but you'd have to have a look.

But did you flash? It's the flashing that usually gets them from 550 Kh/s up to 700Kh/s...

Hmmm, you used all those voltage settings yeah? and fans on auto?

And you've flashed the BIOS? And using all the settings i put on the other thread, and setting max allocation gpu..?

If the answer is yes to all of those, then i am very confused why your temps are so hot and hash rate is so low.

Also don't forget you may need to adjust your GPU speed slightly as all GPU's are different (apparently).



Yeah will do when i get a chance

Hahaha wasn't sure what the rules are

Haha Yeah she is a fitty. Makes it easier on the eyes when i'm staring at CGminer all day

Cheers

Catalyst 13.2 Beta 7 and SDK v2.8