Is it just downclocked or also undervolted? Because you can get an S7 at 3.7TH to around 800W with an undervolt hack, and then replace the firmware with S7-F1 version you can run a single fan. Not dead silent but pretty quiet.
Obviously an S9 board is better, as you can get that hashrate from less than half the power draw. But it's still an option.
Also Phil's right, the housings aren't the same length. S9 is somewhere 1-2 inches longer.
Topic: What to do with all the old s-9s. - page 3. (Read 2592 times)
I think the s-7 is a little shorter but the height allows for the s9 board to fit.
When you cut the 2 wedge boards they would need to be long enough to protect the s-9 board.
I should have a working model by weds or thurs. Maybe friday.
When you cut the 2 wedge boards they would need to be long enough to protect the s-9 board.
I should have a working model by weds or thurs. Maybe friday.
I have an S7 currently down-clocked to around 3.7 TH. I think it would be better to swap in an S9 controller and a single S9 board along with your airflow mods. I am going to have to start scouring for parts 
The input fan has a 7mm or 1/4 inch spacer. It is in the links.
Wood is quiet.
The silver faced foam fully surrounds the wood wedge.
Makes it fire resistant.
I plan to do some variations with the brains model which is in Clifton.
Price and ease of build has real meaning here.
You can mod an s9 in under 30 minutes and under 30 dollars.
I would do more videos and photos but I hurt my ankle early Wednesday and have it iced .
I am in my bedroom watching first type flippers while I type.
Ankle on ice for swelling☹️☹️
Hope to get back on my feet by mon or tue
Wood is quiet.
The silver faced foam fully surrounds the wood wedge.
Makes it fire resistant.
I plan to do some variations with the brains model which is in Clifton.
Price and ease of build has real meaning here.
You can mod an s9 in under 30 minutes and under 30 dollars.
I would do more videos and photos but I hurt my ankle early Wednesday and have it iced .
I am in my bedroom watching first type flippers while I type.
Ankle on ice for swelling☹️☹️
Hope to get back on my feet by mon or tue
Won't you try the trick of separating the input fan away from the case a bit to reduce the vacuum produced in the middle board position due to the proximity of the fan engine?
Should be easy if you have a damaged fan you are willing to sacrifice to use its plastic frame as tunnel. this should improve heat dissipation to the part of the board in close proximity to the input fan.
Another thing to try would be to use a dummy middle (double wedged) board and try with two hash boards on the sides instead of one in the middle, Not unlike the avalons...
While easy to work with, i don't like wood much. It retains heat, and if/when things burn, it might catch fire. It does absorb noise tho.
What would be really nice is if I can make the m10's do this.
Not sure it is possible with that damn must use psu.
I have an extra psu.
I would need pull a fan in it and find a quieter fan to put in it.
my m10s are as low as 6200gh for one board on low power uses about 375 watts if I can replace all the fans and I could get this to work. this would be very nice as it would be pretty efficient.
and m10s are as high as 9200 for one board on low power uses about 552 watts
the heat sinks are really good.
but it is more complex to run it due to the must have psu that links to controller.
the boards are binned weird.
the highest board on high is about 13000 and uses 910 watts this would be too loud.
But these (m10's) are not getting touched until feb.
Not sure it is possible with that damn must use psu.
I have an extra psu.
I would need pull a fan in it and find a quieter fan to put in it.
my m10s are as low as 6200gh for one board on low power uses about 375 watts if I can replace all the fans and I could get this to work. this would be very nice as it would be pretty efficient.
and m10s are as high as 9200 for one board on low power uses about 552 watts
the heat sinks are really good.
but it is more complex to run it due to the must have psu that links to controller.
the boards are binned weird.
the highest board on high is about 13000 and uses 910 watts this would be too loud.
But these (m10's) are not getting touched until feb.
Salvage S9 chips? New generation?
The NewPacs and R606 are built with BM1387 same as used in the S9, but not raggedy old salvage chips. Pfft.
(we tried; harvesting sucks)
The NewPacs and R606 are built with BM1387 same as used in the S9, but not raggedy old salvage chips. Pfft.
(we tried; harvesting sucks)
legendary
Activity: 1848
Merit: 1166
My AR-15 ID's itself as a toaster. Want breakfast?
This is actually pretty cool...
If only the shitmain controller wasn't needed; it would be very nice for the people wanting to put a little gear here, and a little there.
I have a friend in Australia that wants to send me some S9's or S9SE's... So I may end up doing this in one form or another. I am rather limited on the power I can use at home, but if I get my hands on the stock of panels that I have been promised several times; it shouldn't be an issue to make several mini satellite machines to stick at the random locations I get free power/network use.
The thing that had me sold on the R606 was the <400w and quiet..... This is also in that realm.
Will be interesting to see how far sidehack will get the efficiency when he begins to salvage the s9 chips to build a new generation.
If only the shitmain controller wasn't needed; it would be very nice for the people wanting to put a little gear here, and a little there.
I have a friend in Australia that wants to send me some S9's or S9SE's... So I may end up doing this in one form or another. I am rather limited on the power I can use at home, but if I get my hands on the stock of panels that I have been promised several times; it shouldn't be an issue to make several mini satellite machines to stick at the random locations I get free power/network use.
The thing that had me sold on the R606 was the <400w and quiet..... This is also in that realm.
Will be interesting to see how far sidehack will get the efficiency when he begins to salvage the s9 chips to build a new generation.
yeah may be better that way.
here is final video
https://www.youtube.com/watch?v=rvHlfQpNH38
I got lowest mode to remarkable sound levels under 36db.
This morning I realized I have 3 s7ln's
I am thinking of doing a case mod of that case to fit 1 s9 board.
and using a single delta fan as a push. I have 8 of these delta fans
https://www.ebay.com/itm/Delta-AFB1212SHE-120mm-x-38mm-4-Pin-PWM-Fan-Server-Case-Water-Cooling-151-CFM/401711683311?
these are a bit faster and move more air.
should be fun. But I won't work on this unit next week.
here is final video
https://www.youtube.com/watch?v=rvHlfQpNH38
I got lowest mode to remarkable sound levels under 36db.
This morning I realized I have 3 s7ln's
I am thinking of doing a case mod of that case to fit 1 s9 board.
and using a single delta fan as a push. I have 8 of these delta fans
https://www.ebay.com/itm/Delta-AFB1212SHE-120mm-x-38mm-4-Pin-PWM-Fan-Server-Case-Water-Cooling-151-CFM/401711683311?
these are a bit faster and move more air.
should be fun. But I won't work on this unit next week.
This really makes me want to see if I can fold up a simple single-board case with board-facing fans. Not sure if I'll have the energy to do it this weekend.
@ yankees
next year maybe I will make one.
I think it does 6 to 9 th on low 1 board. 350-500 watts
and 9 to 11 th on high 1 board. 700-800 watts
The issue is the psu noise it may not be fixable.
next year maybe I will make one.
I think it does 6 to 9 th on low 1 board. 350-500 watts
and 9 to 11 th on high 1 board. 700-800 watts
The issue is the psu noise it may not be fixable.
Phil would this be good with all the m10's you have?
well before the wedge mod it was 40-45db
on lowest power. (3300gh)
since fans are just about the same speed on higher power (4800gh)
I would guess 40-45 db
give me a few minutes I will go meter it on 4800gh speed
yep 45-46db but miner now has no other sound proof ing of any kind.
quite remarkable 4800 gb 450 watts 45-46db
mod is under 27 bucks
2 fans = 16
https://www.ebay.com/itm/for-Delta-AFB1212SH-12cm-Ball-Bearing-12V-0-8A-4pin-PWM-cooling-Fan/182961677356?
1 thick spacer = 4 for 16.00 or 4 bucks note: it is 7mm
https://www.amazon.com/gp/product/B0103MXYA2
1 thin spacer = 10 for 14.99 or 1.50 typical thin rubber fan spacer about 2 mm
https://www.amazon.com/gp/product/B073XJLBGJ
1 roll of silver/foam = 3 you can do 6 miners with an 18 dollar roll.
https://www.lowes.com/pd/Frost-King-0-125-in-Foam-Plumbing-Pipe-Wrap-Insulation/1081449
1 box of screws = 50 cents you can do 12 with a 6 dollar box
1 box of washers = 50 cents you can do 12 with a 6 dollar box
2 pieces of scrap wood = free
about 26 bucks for mod
fans......... 16.00
spacers.... 5.50
foam........ 3.00
screws...... .50
washers.... .50
scrap wood... free
total--------25.50
basic design
more detail
on lowest power. (3300gh)
since fans are just about the same speed on higher power (4800gh)
I would guess 40-45 db
give me a few minutes I will go meter it on 4800gh speed
yep 45-46db but miner now has no other sound proof ing of any kind.
quite remarkable 4800 gb 450 watts 45-46db
mod is under 27 bucks
2 fans = 16
https://www.ebay.com/itm/for-Delta-AFB1212SH-12cm-Ball-Bearing-12V-0-8A-4pin-PWM-cooling-Fan/182961677356?
1 thick spacer = 4 for 16.00 or 4 bucks note: it is 7mm
https://www.amazon.com/gp/product/B0103MXYA2
1 thin spacer = 10 for 14.99 or 1.50 typical thin rubber fan spacer about 2 mm
https://www.amazon.com/gp/product/B073XJLBGJ
1 roll of silver/foam = 3 you can do 6 miners with an 18 dollar roll.
https://www.lowes.com/pd/Frost-King-0-125-in-Foam-Plumbing-Pipe-Wrap-Insulation/1081449
1 box of screws = 50 cents you can do 12 with a 6 dollar box
1 box of washers = 50 cents you can do 12 with a 6 dollar box
2 pieces of scrap wood = free
about 26 bucks for mod
fans......... 16.00
spacers.... 5.50
foam........ 3.00
screws...... .50
washers.... .50
scrap wood... free
total--------25.50
basic design
more detail
Really liking the project, got any db readings?
https://www.youtube.com/watch?v=Ztc7XIX_Jtg
second video.
at lowest hash of 3300 it is 330 watts
at higher hash of 4800 it is 455 watts
actually more efficient at high setting since the fans and controller pull down number more on the low setting
I would guess fans are doing .6 amps x 12 x 2 on low setting = 15 watts plus controller is 20 so 35 watts plus hash board is so low that it does not make effective efficiency but it is really quiet with fans lower.
I would guess fans are doing .7 amps x 12 x2 on high setting = 17 watts plus controller is 20 so 37 watts
really happy with these on dec firmware.
find some good fans for yourself. like the deltas I linked.
second video.
at lowest hash of 3300 it is 330 watts
at higher hash of 4800 it is 455 watts
actually more efficient at high setting since the fans and controller pull down number more on the low setting
I would guess fans are doing .6 amps x 12 x 2 on low setting = 15 watts plus controller is 20 so 35 watts plus hash board is so low that it does not make effective efficiency but it is really quiet with fans lower.
I would guess fans are doing .7 amps x 12 x2 on high setting = 17 watts plus controller is 20 so 37 watts
really happy with these on dec firmware.
find some good fans for yourself. like the deltas I linked.
Looking damn good there. What is the power usage, under 400w I take it?
Looks like I may just be able to run some of my old s9's that have been piling up. Considering all the dead hash boards I have, running 1-per casing will work out just fine
Looks like I may just be able to run some of my old s9's that have been piling up. Considering all the dead hash boards I have, running 1-per casing will work out just fine
__________>>>>>>>hashboard >>______________________________
I am going to fully flesh out the s-9 build adding the shim and foam mods.
first youtube video
https://www.youtube.com/watch?v=Rzkub23R8QU
damn look at these guis'
middle board no wedges just the 25mm delta fans
wedge board mod 7c temp drop! and good fan drop under 40db!
even able to run LPM getting 4.5th with good fans and temps!
I been too busy with the Clifton build. So I can't play with new ideas much.
But this thread will be getting some love from me.
I will drive up to Clifton and bring some older beat on s-9's back down to Howell.
But this thread will be getting some love from me.
I will drive up to Clifton and bring some older beat on s-9's back down to Howell.
I am getting 4TH from my single board S9 units.
From the discussion about 110V mining back in April:
-Dave
I wonder how many S1/3/5 style units are still around vs the S9 / T9 type ones.
With the fans running @ low speed (not actually enough to cool the stock miners) they are fairly quiet. I have 2 "1 board" S9 units that are quiet enough for home use with the fan speed dropped to almost nothing. Not unlike what Artemis3 said. But it's only doing 4TH. If I make it a 2 board 8TH unit it gets loud again. If you can get 8TH or 10TH with 2 or 3 boards that are more efficient so you can keep the fans running slow and quiet you would probably sell every one you could build.
Just my view.
-Dave
From the discussion about 110V mining back in April:
-Dave
If the rest of the year's plans pan out, which mostly hinges on the success of the R606, I might finally get that S1/S3/S5 refit kit built. The S3 was pretty much the last full-scale miner designed to be quiet so hopefully a lot of them still exist to be upgraded.
I think a lot of gear is now coming with built-in PSUs because power supplies in the required power range aren't readily available at quantity, and if the PSU is integrated with the controller, board-level string voltages can be adjusted without an inline regulator which gives a 5-10% efficiency bump in the overall machine.
I think a lot of gear is now coming with built-in PSUs because power supplies in the required power range aren't readily available at quantity, and if the PSU is integrated with the controller, board-level string voltages can be adjusted without an inline regulator which gives a 5-10% efficiency bump in the overall machine.
I wonder how many S1/3/5 style units are still around vs the S9 / T9 type ones.
With the fans running @ low speed (not actually enough to cool the stock miners) they are fairly quiet. I have 2 "1 board" S9 units that are quiet enough for home use with the fan speed dropped to almost nothing. Not unlike what Artemis3 said. But it's only doing 4TH. If I make it a 2 board 8TH unit it gets loud again. If you can get 8TH or 10TH with 2 or 3 boards that are more efficient so you can keep the fans running slow and quiet you would probably sell every one you could build.
Just my view.
-Dave
I've got a couple S9s here at the shop that have been sidelined. Might be worth looking at trying to fold a simple housing that can hold one board and two fans, maybe with the controller mounted on the back. I've got junk/spares of everything; will play around with that at the shop later.
Adding wedges internally to make sure your air stays in the heatsinks, especially at the far end, will be helpful. Don't forget that the middle position already has trouble cooling because the fan's motor reduces where air naturally gets moved. You might try a side position where the chipside heatsinks (responsible for the majority of the heat) get right in the main airstream, and then do a single baffle across the middle. You could fetch a small roll of metal flashing and cut and bend the right shape in a few minutes, then have enough material off the one roll to do a host of miners.
Adding wedges internally to make sure your air stays in the heatsinks, especially at the far end, will be helpful. Don't forget that the middle position already has trouble cooling because the fan's motor reduces where air naturally gets moved. You might try a side position where the chipside heatsinks (responsible for the majority of the heat) get right in the main airstream, and then do a single baffle across the middle. You could fetch a small roll of metal flashing and cut and bend the right shape in a few minutes, then have enough material off the one roll to do a host of miners.
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