Topic: The Chili – 30+GH/s BFL based Bitcoin Miner Assembly - page 51. (Read 138054 times)

Hey Bar, trying to get this tweaked version of bfgminer but this download manager crap isn't working for me. Any chance you have an alternate link available?

Not saying this is your problem necessarily, but I wonder how much difference it makes to orient the heatsink so that some air flows over the VRMs. I'd turn it 90 degrees from how it's shown in that picture. I'm using the Hyper 212 Evo, blowing end to end, which might be creating just a bit of air turbulence around the VRMs.

Maybe you need to run as administrator?

Somebody have an alternative link for Zadig drivers for cgminer? I'm getting error message that I don't have sufficient priv. to access at http://ck.kolivas.org/apps/cgminer/zadig/

correct i removed them from both sides of each strip , also when i remove the fan it jumps up to 80c and drops in GH

my chili looks like the one on the bottom left
http://i40.tinypic.com/rr8its.jpg

+1

I've lost alot of mining revenue from one of my Chilis because it keeps hanging and needing its power cycled. I'm hoping the firmware update will fix that. Any chance you can give us whatever update you have today even if it doesn't have all the planned features?

Any new firmware please!,,,,,,,,,!,,,,,,

You removed the plastic from both sides of the pads, right? The plastic on one side is textured, the other smooth.

I think it's normal for the heatsink to feel just a little warm, even near the board. I thought that was a problem at first, but when I unplugged the fan, it got almost too hot to touch.

i had to use the slim x3 heat sink as i need to fit it in a case already with a bfl 30gh , I'm using the thermal pads from keefe in this thread.
i will see if i can get a different heat sink and test it but it might not be possible for my area that I'm placing it i will have to see.
the 212 like i said in pass post will be way to big for the pc case that the chili will be in with the 30GH BFL. I have to see my options this week and see if i can mount the chili in a different part of the case maybe upside down with spacers inbetween the case and the the chili like on a hdd mount or the dvd rom but under it i will have to see untill then.

overall if i touch the heatsink its not that hot at all
bottom of the board is like 5 to 7 secs before its burning u
right now i have legs on the bottom of the board raised about 3 to 4 inchs up
the legs have feet on them rubber work nice. i did notice that when it was just laying on bottom of the board on my wood table it would hash at 19GH with the feet on it it now hashs at 22GH
so maybe the bottom of the board needs more cooling like u said

i will see what happends tonight when i add it to its main area, right now its at my apt and its frezzing in here so i would think it would be hashing faster lol
i will ask some techs at work if they have any heatsinks laying around maybe i can get some for free before buying one

That sounds to me like your cooling solution is not working well enough.  There are two types of temperatures that will cause the hash rate to drop. 
1) The temperatures of the ASIC chips.  Your heatsink and fan or your TIM (Thermal Interface Material) may not be good enough.
2) The temperature of the voltage regulator.  Keeping the voltage regulator cool will help ensure your Chili will hash as fast as possible.  Someone recently posted photos of an old PS3 heatsink attached to the bottom of the voltage regulator area.  Or at the very least, add a fan blowing on the voltage regulator.

Based on your comment above, I think #1 is your primary problem.  Which heatsink and fan are you using?  What TIM are you using?

At my win 7 does not work

Ok work
The chilli which hashing at 32 gh
Have one chip with only 10 engine

yes it works in 7 im running x64 at home and x86 at work both work fine

I used http://randomcontent.wolfnexus.net/RandomSite/files/7413/7920/4092/RW2-BFL-Commport-Scanner.zip
worked with out a problem and showed me the info. now it shows as 20GH

what programs. most every program works in 7

did these programm work at windows 7?

I tryed that and it did not work putty shows up as UNKNOWN and just sits on it
I used http://randomcontent.wolfnexus.net/RandomSite/files/7413/7920/4092/RW2-BFL-Commport-Scanner.zip
worked with out a problem and showed me the info. now it shows as 20GH
is the firmware 1.0.0 the same as BFL firmware ?
if so maybe updating to 1.2.6 would be a better option

DEVICE: BitFORCE SC
FIRMWARE: 1.0.0
PROCESSOR 0: 8 engines @ 283 MHz
PROCESSOR 1: 16 engines @ 284 MHz
PROCESSOR 2: 16 engines @ 298 MHz
PROCESSOR 3: 16 engines @ 312 MHz
PROCESSOR 4: 16 engines @ 295 MHz
PROCESSOR 5: 15 engines @ 300 MHz
PROCESSOR 6: 15 engines @ 296 MHz
PROCESSOR 7: 16 engines @ 291 MHz
ENGINES: 118
MINING SPEED: 19.97 GH/s
FREQUENCY: 169 MHz
XLINK MODE: MASTER
CRITICAL TEMPERATURE: 0
XLINK PRESENT: NO
OK


in the start of bfgminer for the 1st 2 mins i see 30GH+ around 80c but then it levels to 20GH and 70c

If I had to guess, I'd say the biggest improvement in that setup is that each heatsink has two fans on them, not one. Adding a second fan is much easier than removing everything, applying a different type of thermal solution, and then putting it all back together.

how i can see if my chips is or not at same level?

If you're lucky and your chips are very coplanar, you can get away with paste. But usually pad is required because of variance in chip levels.

final is better to use themal paste
or thermal pad?


also how the person at other forum
hold the

ultra large mosfet heatsink on the bottom!! (old p3 heatsink reworked!!)

at chilli board???

he glue it?


what you think about that thermal paste??

http://www.ebay.com/itm/IC-DIAMOND-24-CARAT-4-8-GRAM-THERMAL-COMPOUND-/400298545906?pt=US_Thermal_Compounds_Supplies&hash=item5d33a712f2