GekkoScience Compac BM1384 Stickminer Official Support Thread - page 91.

sidehack

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Curmudgeonly hardware guy

Quote from: Mikestang on November 20, 2015, 11:28:57 AM

Quote from: mindtrip on November 20, 2015, 07:42:53 AM

the default clock is 150mhz so you're pushing twice the amount of power as stock

No, the power consumption is only incrementally larger, it's running at twice the frequency as stock.

Actually, the power consumption is more than twice stock setting because voltage must increase with increased frequency, and power increases with both frequency and voltage. The power consumption per unit work is only incrementally larger, but the actual power consumed is probably close to threefold stock. I just ran a quick test and my sticks started showing errors below about 6.6W at 300MHz, which is 2.64 times the 2.5W "stock USB" setpoint achievable with 150MHz.

buckrogers

legendary

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getting on the 4 sticks in that photo avg. 61.63 Gh/s

every 20 minutes or so i hear that windows sounds of a usb disconnecting and then connecting..is that normal?

Thanks!

Mikestang

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Quote from: mindtrip on November 20, 2015, 07:42:53 AM

the default clock is 150mhz so you're pushing twice the amount of power as stock

No, the power consumption is only incrementally larger, it's running at twice the frequency as stock.

zOU

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Very good and fair point

sidehack

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Curmudgeonly hardware guy

The Compac will always run more power than Bitmain's chart, because Bitmain's chart is just the ASIC. You'll lose an additional 5-10% in the buck, plus LDO losses plus power eaten by the CP2102. That's why the bottom-end of this stick is 0.3W/GH instead of 0.25W/GH.

buckrogers

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I'll probably go out today and pick up one of those laser heat sensor guns to detect the temp just to be safe.
but they are cool to the touch

buckrogers

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Quote from: mindtrip on November 20, 2015, 07:42:53 AM

Quote from: buckrogers on November 19, 2015, 10:10:42 PM

Quote from: mindtrip on November 19, 2015, 09:59:34 PM

Some Compac Sticks can be overclocked harder than others mixing these low performance sticks with higher performing sticks will start throwing out restarts. MY setup has all my good sticks on 1 hub and the few lower performing ones on a separate Pi and hub just to get max potential out of the good ones. Best advice is to tune each stick solo and see what you can get it to do. Label it and mark the clock and voltage max you got it to run at before crapping out. then try 2 sticks at a clock you know they will both run then try 3 etc until you either max out the hub or don't have any more sticks to feed your hub

Thanks for the advice

I actually just tried that "sad" one running solo without any others in both scenarios and it just stays green solid wont has and returns errors as above.

The worst part is that they were all running great at top speed earlier in both the 2.0 and 3.0 hub and in minera Sad

300Mhz is pretty high i don't have any clocked that high i would try 250-275 range first your USB hub might not be able to support that much power you also will 100% need additional cooling for them to stay stable that high. the default clock is 150mhz so you're pushing twice the amount of power as stock

I guess i got lucky with 4 sticks in the usb 3.0 hub:

running about 8 hours or so, 0 HW errors
I have a nice little usb fan blowing right on them decent..they aren't too hot at all at the moment.

Thanks!

zOU

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Quote from: vapourminer on November 20, 2015, 07:16:28 AM

I am. i will give you updated figures for mine in a few days as I have this drok usb meter.

Thank you !

Quote from: mindtrip on November 20, 2015, 07:42:53 AM

300Mhz is pretty high i don't have any clocked that high i would try 250-275 range first your USB hub might not be able to support that much power you also will 100% need additional cooling for them to stay stable that high. the default clock is 150mhz so you're pushing twice the amount of power as stock

Agreed !
Mine are burning hot at 240Mhs already !
I have a couple of 80mm fan blowing at them.

I'll probably build something to improve cooling when I get my "USB doctors", so I can both keep an eye on them and cool them efficiently.

I'm thinking of a "wind tunnel" with 1x120mm fan at each end and a plexiglass cover.

mindtrip

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Quote from: buckrogers on November 19, 2015, 10:10:42 PM

Quote from: mindtrip on November 19, 2015, 09:59:34 PM

Some Compac Sticks can be overclocked harder than others mixing these low performance sticks with higher performing sticks will start throwing out restarts. MY setup has all my good sticks on 1 hub and the few lower performing ones on a separate Pi and hub just to get max potential out of the good ones. Best advice is to tune each stick solo and see what you can get it to do. Label it and mark the clock and voltage max you got it to run at before crapping out. then try 2 sticks at a clock you know they will both run then try 3 etc until you either max out the hub or don't have any more sticks to feed your hub

Thanks for the advice

I actually just tried that "sad" one running solo without any others in both scenarios and it just stays green solid wont has and returns errors as above.

The worst part is that they were all running great at top speed earlier in both the 2.0 and 3.0 hub and in minera Sad

300Mhz is pretty high i don't have any clocked that high i would try 250-275 range first your USB hub might not be able to support that much power you also will 100% need additional cooling for them to stay stable that high. the default clock is 150mhz so you're pushing twice the amount of power as stock

vapourminer

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what is this "brake pedal" you speak of?

Quote from: zOU on November 20, 2015, 02:26:08 AM

Quote from: zOU on November 19, 2015, 10:01:25 AM

I'm also trying to get the formula to calculate V and A based on bitmain specs of the BM1384 chip.

So then I'll be able to know:
How fast can one run on 2.5W (1xUSB2)
How fast can one run on 4.5W (1xUSB3)
How fast can one run on 5W (2xUSB2 with Y cable)
How fast can one run on 9W (2xUSB3 with Y cable)
(in blue, the given specs)

https://i.imgur.com/Wfa0bs2.png

Link to the google spreadsheet if anyone wants to give it a try...

BM1384 spreadsheet
Edit:

I'm the only one interested in these figures ?
(even though the exact running frequencies may be different, this would give some useful information. no ?)

I am. i will give you updated figures for mine in a few days as I have this drok usb meter.

http://www.amazon.com/gp/product/B00J3JSEG6/ref=pd_lpo_sbs_dp_ss_1?pf_rd_p=1944687522&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B00JUM2OE4&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=03BNYVDHS4W4ZTWRYPXY

my power draw figures are a bit higher at some matching freqs in that chart. although it measure the whole compac stick, not just the asic.

for instance at 180 mhz/10.21 ghs (one week average as I rebooted the HTPC its plugged into for updates) mine draws 0.63 amps from the usb 2 port

love intel mobos, the usb 2 port is rated 0.5 amps and that HTPC runs 2 sticks at that 0.63 amp draw. I would run higher clocks on them put they are passively cooled on that one (HTPCs must be SILENT)

zOU

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Quote from: zOU on November 19, 2015, 10:01:25 AM

I'm also trying to get the formula to calculate V and A based on bitmain specs of the BM1384 chip.

So then I'll be able to know:
How fast can one run on 2.5W (1xUSB2)
How fast can one run on 4.5W (1xUSB3)
How fast can one run on 5W (2xUSB2 with Y cable)
How fast can one run on 9W (2xUSB3 with Y cable)
(in blue, the given specs)

Link to the google spreadsheet if anyone wants to give it a try...

BM1384 spreadsheet
Edit:

I'm the only one interested in these figures ?
(even though the exact running frequencies may be different, this would give some useful information. no ?)

zOU

hero member

Activity: 728

Merit: 500

★ these are stars ★

Quote from: buckrogers on November 19, 2015, 04:33:11 PM

Quote from: zOU on November 19, 2015, 04:30:54 PM

Quote from: cavaliersrus on November 19, 2015, 03:45:07 PM

running bfgminer 5.4.0

usb hub is a
http://www.microcenter.com/product/431657/7-Port_USB_30_Aluminum_Hub

Looks like this one ?

http://www.ebay.fr/itm/331620565421?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

lol ...yea, it looks like the BUYAHASH company just re-branded it and gave bad specs?

buyahash has been gone for a while now....
But at least it's cheaper @microcenter, pity it's in US store only...

Searing

copper member

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Clueless!

Quote from: hedgy73 on November 19, 2015, 06:33:03 PM

Quote from: toptek on November 19, 2015, 04:52:39 PM

Quote from: buckrogers on November 19, 2015, 03:24:37 PM

Hi, i had 5 of the compacs running, then switched a few around for better airflow, and 1 of the 5 wont start to hash - (it was previously)

The green light is on, nut no blinking.

I started with a different USB 2.0 powered hub- it was from the old BUYAHASH I found in microcenter which claims to be able to push at least 1Amp per port, and was running in cgminer fine. - unsure of how its able to push at least 1 Amp per port? it is 5Amps total i think?

here is the link to the hub page at microcenter and a breif description:

http://www.microcenter.com/product/431863/10-port_usb_20_hub_w-_power_supply

"Need a cheap, high powered hub?This is the best one weve tested that is compatible with Raspberry Pis and other devices that require the older USB 2.0 protocol. Made by the same manufacturers as our 20-port hub, this model is noticably cheaper, while still ensuring that every port gets the power it needs.Included is a 12v/5a power supply, USB 2.0 cable, and hub. This model is designed for ports that require a high amount of electricity, and should be able to provide at least 5v/1a, or greater per port."

SKU 198192
Mfr Part# 10P-U2-60W
UPC 633131946505

GENERAL
USB Technology USB 2.0

USB Ports 10
USB Charging Ports 1
Charging Port Output 5A
Port Type USB Type A
Power Supply 12v/5a
Parts 1 Week
Labor 1 Week
What's in the Box SiPort-Type 10 Port USB Hub12v, 5A Power Supply1 USB 2.0 Cables included

Then connected the ras pi running the modded version of cgminer for the compacs and all 5 were fine and hashing.

Is there a way to reset that one that doesn't hash now?

I am just running them at freq of 175 and the potentiometer is top left corner on each (flat part)

The other 4 are hashing at around 9.5 to 10 GH/s each

thanks!

and those little fan are amazing I use two . and very cheap and work like a beast. keep my compac super cool lol .

What fan is that please?

I also see these fans at Menard's....(Oceanaire 4" fans) ...they likely are available elsewhere....they seem to work OK..could save you some 4 bucks or so and no shipping
if you can find them locally.

Includes a USB adapter or can use with AC current.

https://www.menards.com/main/heating-cooling/fans/residential-fans/4-personal-fan/heating-cooling/portable-household-fans/4-personal-fan/p-1444442565653.htm;jsessionid=37411ADE4B9846A0BEC63DD0BC7B95BE.tndm-prodapp6-external-mcom

anyway my 2 Satoshi's worth

buckrogers

legendary

Activity: 2746

Merit: 1181

the Anker usb 3.0 hub is doing this with 4 sticks:

wish the 5th was working at all Sad

buckrogers

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Activity: 2746

Merit: 1181

Quote from: mindtrip on November 19, 2015, 09:59:34 PM

Some Compac Sticks can be overclocked harder than others mixing these low performance sticks with higher performing sticks will start throwing out restarts. MY setup has all my good sticks on 1 hub and the few lower performing ones on a separate Pi and hub just to get max potential out of the good ones. Best advice is to tune each stick solo and see what you can get it to do. Label it and mark the clock and voltage max you got it to run at before crapping out. then try 2 sticks at a clock you know they will both run then try 3 etc until you either max out the hub or don't have any more sticks to feed your hub

Thanks for the advice

I actually just tried that "sad" one running solo without any others in both scenarios and it just stays green solid wont has and returns errors as above.

The worst part is that they were all running great at top speed earlier in both the 2.0 and 3.0 hub and in minera Sad

mindtrip

legendary

Activity: 1167

Merit: 1009

Some Compac Sticks can be overclocked harder than others mixing these low performance sticks with higher performing sticks will start throwing out restarts. MY setup has all my good sticks on 1 hub and the few lower performing ones on a separate Pi and hub just to get max potential out of the good ones. Best advice is to tune each stick solo and see what you can get it to do. Label it and mark the clock and voltage max you got it to run at before crapping out. then try 2 sticks at a clock you know they will both run then try 3 etc until you either max out the hub or don't have any more sticks to feed your hub

vapourminer

legendary

Activity: 4354

Merit: 3614

what is this "brake pedal" you speak of?

buckrogers

on the unresponsive stick try setting the pot directly down towards the usb plug. then try running it directly in a usb 2 socket on a computer (no hub) with cgminer-gekko with no speed setting on the command line and no conf file. it should default to 125 mhz from what i recall.

that might rule out a power problem. most any desktop should run a single compac at stock speed

buckrogers

legendary

Activity: 2746

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i checked the voltage on each stick with a multimeter, they are all ~.77v or so.

still cant revive the sad guy, does anyone know what the pad on the back RESET does?

vapourminer

legendary

Activity: 4354

Merit: 3614

what is this "brake pedal" you speak of?

Quote from: buckrogers on November 19, 2015, 04:22:37 PM

i still cant get that 1 sad guy to hash.

also in minera am starting to see more entries like:
COMPAC11
COMPAC12
COMPAC13
COMPAC14
COMPAC15

It seems to be reproducing them, looks like this:

https://i.imgur.com/KcOmhRh.jpg

any idea on that?

with cgminer if a stick goes unresponsive it will try to revive it with a new number.

I would get lots of compac 3,4,5,6 etc when I only had 2. with one running beyond its speed for its voltage, it would "die" and cgminer just will not give up trying to bring it back from the dead with a new identity.

buckrogers

legendary

Activity: 2746

Merit: 1181

Hi,

So that link for the fan is the correct one.

I tried to swap pout the stick that isn't working in place of another ...no luck

I have tried 25 diff manual turns on the stick, no luck..

the only thing i see on the back which makes me curious is the reset (on the pad)

If anyone knows if doing something specific will reset the usb stick back to defaults, please let me know.

I've tried bringing it straight to windows, removing the zadig driver, then re-adding it,

pretty much everything i could think of...

The reason I don't think its dead or fried is that i see no burn marks close up, and the green light is steady ..like its ready to mine..

On another note, I tried to go back and use the Anker USB 3.0 Hub once more, and for some reason the modified cgminer for compac works fine ..I have 4 USB sticks in there and they hash up to 16 GH/s at 300 freq with the pot set to direct left on each of them. once i add the "bad" one i get errors about it not hashing etc like the " COMPAC 4 attempted reset got err:(0) LIBUSB_SUCCESS"

any help would be appreciated.

thanks!

Topic: GekkoScience Compac BM1384 Stickminer Official Support Thread - page 91. (Read 268015 times)