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[clgrissom3]

well it looks like my S7 is going to be delivered while I'll be away on a prolonged week-end and attending the ACDC concert...

Hopefully the delivery guy will ring me and the neighbours can take it.

Roll on sunday  so I can catch up as i turned off my 4xS5...

Call the shipping company and give them the alternate address of your neighbor for this package.  UPS will do this and I'm sure other shippers will also.  I once re-directed an S7 coming to my home in Virginia via UPS to my data center in the state of Washington and they did it!

[1715067585]

1715067585

[1715067585]

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[bctmke]

well it looks like my S7 is going to be delivered while I'll be away on a prolonged week-end and attending the ACDC concert...

Hopefully the delivery guy will ring me and the neighbours can take it.

Roll on sunday  so I can catch up as i turned off my 4xS5...

Enjoy Axl!  I hear his debut was great and he did ACDC right.

[clgrissom3]

Block by 16GqDpg with 59THs!  Welcome to the Acclaim Board with your first Kano Block! 

[dmwardjr]

Wow!  Get a payment; get a block.  Get a payment; get a block!   

[firetreeactual]

Nice way to start the day. Blocks...and knowing someone is getting to go to ACDC...for those who are about to rock, we do salute you (a favorite film these days is School of Rock).

Machines are playing nice. Will bump them up again and see wha' hoppen... 

Rock on, Kano. Good stuff.

[clgrissom3]

Nice way to start the day. Blocks...and knowing someone is getting to go to ACDC...for those who are about to rock, we do salute you (a favorite film these days is School of Rock).

Machines are playing nice. Will bump them up again and see wha' hoppen... 

Rock on, Kano. Good stuff.

Your machine setup and performance seems to be rocking...post pictures of your setup if you get a chance!

[usukan]

Thanks for your advice there philipma1957 - I suspected that but never really knew.

Interesting discussion - anybody care to comment on this?

I have always run my S7 B15's at Freq 750


What is a good HW number - and what is not?  Anything I can improve on here?

Ambient 20DegC and going down hard.
PSU Bitmain APW3-12-1600-B2
Power draw S7 plus PSU at board 1.47KW +/-

Thanks usukan




Interestingly they draw 1.47 KW at Freq 750

That is a good set of numbers leave it be. the 1470 watts for  5055 is also pretty good about .29 watts a gh  the low chip machines do not go much lower then .30 watts

[firetreeactual]

Nice way to start the day. Blocks...and knowing someone is getting to go to ACDC...for those who are about to rock, we do salute you (a favorite film these days is School of Rock).

Machines are playing nice. Will bump them up again and see wha' hoppen...  

Rock on, Kano. Good stuff.

Your machine setup and performance seems to be rocking...post pictures of your setup if you get a chance!

I'll do that...soon as I finish the housework, etc.    I've got both the B12 and B16 at 750M @100% fan(s), w/good numbers still (1 hr out). May finally get >5TH/s from each...sorta kinda numbs the hurt from losing my mythical 80A. Will still have to monitor closely around 1500 local time as that is when ambient can get up to 80-85F this time of year, and despite having 1,250 CFM blasted through each of their insulated 7x17x45 (in.) styrofoam tunnels, they could heat up I guess.

OT, I know...but someone here (and I can't remember who or I'd just PM it) mentioned in a positive way that they were USN during the early 70s. To that brother...USCG Combat Squadron One, Da Nang, 65-69. Yeah...we bad, we bad (cue Richard Pryor & Gene Wilder from Stir Crazy)...and too old to do anything about it.    I know...movie stuff. I could care less about MTV, but I want my IMDB...

Life is good. Mine on...

[philipma1957]

i have 3 s7 with 1 fan, my fan speed all set to max 100% = 5880 rpm, no choice the temp. here now is 35'C.

set to 90%

then  tell us rpm  please at 90%

if rpm does drop to  5500 at 90% check the temps very carefully.  

basically fans at max rpm and fans at just under max rpm cool the same.

ie a fan running at 5500 rpm should do the same as a fan at 5880 rpm.

and that slight underclock makes fan last a lot longer.

It is a sweet spot all fans have it and it depends on the fan and the heat sink pattern.

If you can run the fan at 5500 rpm vs 5880 rpm and not overheat    you will save some money.

Tested one of the S7 with 90% fan speed =5280rpm , the temp rise 2'c on each board, 72,72,76.
when the fan run at max, the temp read 70,70,73.

room temp = 35'c

so it appears that  the 1 fan units  100% is the true number .    that is bad that you need to run at max speed (kills fan very fast)

humor me  try 95%  see if the fan gets to 5500 rpm and temps  are equal to the 5880 rpm  as weird as request is  if you find 5500 rpm keeps you low enough .

You are really hot whats the room temp 35C or higher?

[firetreeactual]

Had to pull the B16 down to 743. HW and temp both climbing too much. I had skipped a step; this is it. Monitor some more. B12 is fine at 750.

EDIT: Discovered I'd set the tunnel fans at 30%; reset them to 60% and will see again.

[sorry2xs]

here is an image of heatsink failure since OC is discussed:https://i.imgur.com/bv3cPGP.jpg

[firetreeactual]

here is an image of heatsink failure since OC is discussed:https://i.imgur.com/bv3cPGP.jpg

Yowza...I've turned a few into senseless globs of metal in my day.  I'm checking the board temps hourly for now; internal wind tunnel temp is auto w/alarm if it gets above 85F. The psu's are from Centrix' mining op, which are custom kits using two 1KW HP rack units. The loss ratio is quite low, and they run relatively cool.

So far, so good. Mine on... 

[clgrissom3]

Block by 12TMhCpL!  This is Kano Block number 25 for him!  

EDIT:  Payout for Block 411116 confirmed!  

EDIT2:  Payout for Block 411093 confirmed also!  I missed this one at first!

[dmwardjr]

Get Paid; Find a block.
Get Paid; Find a block.
Sweeeeeeet   

[clgrissom3]

Block by kranium with 233THs!  This is his 3rd Kano Block!  

This one came so fast there must not have been any blocks in the payout queue... 

[dmwardjr]

SweeeeeeeeT   

Keep'em coming M8's

[Legacy2005]

nice to see the blocks coming in again.. and the red starting to drain away.

[firetreeactual]

Crap...just overclocking the two S7s to 750 didn't cause any heating or psu problems...but they must pull a significantly higher wattage at the wall than at 700M. That's because after a couple of hours running at 750 the mains blew again.

One question...well, a two-part question that I'm sure at least a couple of you have considered. How many extra watts is that? Ie., that will tell me if it's going to be possible to shut off some other stuff to make up for it on an overnight run...I've looked around but not found any responses I think I trust...and my ammeter is dead. I'm just guessing an additional 150-160W each, or maybe 300-320W for both. I'd then (maybe) run them at 750 for perhaps 11-12 hrs after dark when there's no need for about 1000W of other "stuff", then back to 700 at daylight.

Does that strategy make any sense for this pool? How would that affect the 5Nd algorithm? I was seeing an approximate 10% increase in hash rate at 750.

I know...hey, humor me, OK? 

[yslyung]

Crap...just overclocking the two S7s to 750 didn't cause any heating or psu problems...but they must pull a significantly higher wattage at the wall than at 700M. That's because after a couple of hours running at 750 the mains blew again.

One question...well, a two-part question that I'm sure at least a couple of you have considered. How many extra watts is that? Ie., that will tell me if it's going to be possible to shut off some other stuff to make up for it on an overnight run...I've looked around but not found any responses I think I trust...and my ammeter is dead. I'm just guessing an additional 150-160W each, or maybe 300-320W for both. I'd then (maybe) run them at 750 for perhaps 11-12 hrs after dark when there's no need for about 1000W of other "stuff", then back to 700 at daylight.

Does that strategy make any sense for this pool? How would that affect the 5Nd algorithm? I was seeing an approximate 10% increase in hash rate at 750.

I know...hey, humor me, OK?  

crap! wrong thread. pls stay on topic

DELETE.

[citronick]

Crap...just overclocking the two S7s to 750 didn't cause any heating or psu problems...but they must pull a significantly higher wattage at the wall than at 700M. That's because after a couple of hours running at 750 the mains blew again.

One question...well, a two-part question that I'm sure at least a couple of you have considered. How many extra watts is that? Ie., that will tell me if it's going to be possible to shut off some other stuff to make up for it on an overnight run...I've looked around but not found any responses I think I trust...and my ammeter is dead. I'm just guessing an additional 150-160W each, or maybe 300-320W for both. I'd then (maybe) run them at 750 for perhaps 11-12 hrs after dark when there's no need for about 1000W of other "stuff", then back to 700 at daylight.

Does that strategy make any sense for this pool? How would that affect the 5Nd algorithm? I was seeing an approximate 10% increase in hash rate at 750.

I know...hey, humor me, OK?  

crap! wrong thread. pls stay on topic

DELETE.

LOL!

I think all this good thread about overclocking and blowing up fuses, kind off good luck charm for our pool...

.... keep em on going, the blocks are coming smoothly to the normalised 4-5 blocks a day.