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Author Topic: My Avalon A921 is on the way  (Read 23372 times)
philipma1957
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December 15, 2018, 02:07:05 PM
Merited by HagssFIN (1), Steamtyme (1)
 #1

So I ordered 1 Avalon a921  from blokforge.

No customs they handle it  cost me 396 paid it with a cc.

I will hook it up and review it  some time soon.

it should do 20th at 1800 watts

I hope it will downclock  to 18th and maybe 1500 or 1400 watts

The A841 was a good  downclock machine

The A851 was really poor to downclock

I will post more soon.

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 15, 2018, 06:22:47 PM
 #2

When did you place your order?  I ordered 2 on Nov 30 and 2 on Dec 1 and no shipping notice yet.

The sales price of $349 was hard to resist. Smiley

I proudly mine at the KanoPool.
philipma1957
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December 15, 2018, 07:01:20 PM
 #3

When did you place your order?  I ordered 2 on Nov 30 and 2 on Dec 1 and no shipping notice yet.

The sales price of $349 was hard to resist. Smiley

30 of nov but just one unit

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 16, 2018, 07:44:18 AM
 #4

A seller from Austria says this machine needs 95 - 100 Watt / TH.

So this machine needs 1900 - 2000 Watt.

I'm looking forward to your values.

Is it possible to run the miner with two power supply´s?
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December 16, 2018, 11:15:36 AM
 #5

... Is it possible to run the miner with two power supply´s?

Yes, as long as each group of five 6-pin PCIe power connectors (there are two groups; one on each side of the miner) is connected to only one PSU.
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December 16, 2018, 02:11:55 PM
Last edit: December 17, 2018, 03:35:36 AM by frodocooper
 #6

Yes, as long as each group of five 6-pin PCIe power connectors (there are two groups; one on each side of the miner) is connected to only one PSU.

Yes  that is correct.

I have a youtube video of the A851  with 2 psu's

https://www.youtube.com/watch?v=aXZQmKtv2-E&t=3s

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 17, 2018, 02:38:56 PM
Last edit: December 17, 2018, 03:46:26 PM by NotFuzzyWarm
 #7

Still no word on when my 3 ordered Nov 30 will ship but I assume will be today or tomorrow. The two I got back in Oct. (at full price) are running perfectly at a rock solid 21.5-22THs each with 2x APW PSU's feeding each of them.

Don't know if anything has changed but Kano tried tweaking the one Canaan send him back in Sept and found that even using SSH to get in it pretty much ignored his attempts to change speed and other settings.

For bitcoin to succeed the community must police itself - Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats
How a miner mfgr SHOULD operate: HaggsFIN trip to Canaan My info useful? Donations welcome! 1Fuzzyk398kDWVjuC5qPX5v6CjSkvbgAbd
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December 17, 2018, 05:09:09 PM
 #8

Lucky. I somehow ordered one when they were first listed for $399 and price dropped $50 right after submitting. They credited back. No shipping notice yet though.
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December 17, 2018, 07:49:13 PM
Last edit: December 18, 2018, 12:19:41 AM by frodocooper
 #9

So I ordered 1 Avalon a921  from blokforge.

No customs they handle it  cost me 396 paid it with a cc...

Likely duties/tariff is likely built into their pricing it just shipped from TX like they would be for our group buys from Portland.

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philipma1957
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December 17, 2018, 09:35:03 PM
 #10

it just arrived

[along with 5 l3+
and 2 s9i all used from eBay]

all need to get low power mods.

I will get to the avalon late tonight.

busy doing a build out in north jersey this week.

Hoping to keep the avalon in house.

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 18, 2018, 01:39:19 PM
Last edit: December 18, 2018, 03:27:56 PM by NotFuzzyWarm
 #11

w00t! Last night got notice from Blokforge my 3x A921's have shipped and should be here by end of week. Now to decide which dying s9's to replace with the 921's...

For bitcoin to succeed the community must police itself - Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats
How a miner mfgr SHOULD operate: HaggsFIN trip to Canaan My info useful? Donations welcome! 1Fuzzyk398kDWVjuC5qPX5v6CjSkvbgAbd
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
philipma1957
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December 18, 2018, 04:19:58 PM
Last edit: December 18, 2018, 04:35:46 PM by philipma1957
 #12

So I am looking for the software link as the A921 will not work with a841 software.

poking around here is a no go so far

https://github.com/Canaan-Creative

this seems good
https://github.com/Canaan-Creative/avalon9-docs/wiki/AvalonMiner-921-firmware-downloads

Version 20180918

Download link Firmware - 20180918
First controller's firmware for A921

https://canaan.io/downloads/software/avalon921/openwrt/20180918/

note rasp pi 3  is supported not rasp pi 3 +

https://canaan.io/downloads/software/avalon921/openwrt/20180918/rpi3-modelb/

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 18, 2018, 04:30:56 PM
 #13

https://canaan.io/downloads/software/avalon921/

This help?

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philipma1957
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December 18, 2018, 04:36:27 PM
Last edit: December 18, 2018, 04:53:23 PM by philipma1957
 #14

got it thanks

doing original the sept 18th first.

flashed with etcher and my mac mini

new flash works and I will move to next step need a micro usb cord to the dongle

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 18, 2018, 04:56:28 PM
Last edit: December 18, 2018, 11:52:36 PM by frodocooper
Merited by Steamtyme (1)
 #15

Do be sure that the cable is for both power and data... Very common issue is no coms because of folks using a charging cable that uses all 4 wires for power...

How common is that? Common enough that Blokforge now supplies the USB cable when you buy a AUC3 dongle.

For bitcoin to succeed the community must police itself - Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats
How a miner mfgr SHOULD operate: HaggsFIN trip to Canaan My info useful? Donations welcome! 1Fuzzyk398kDWVjuC5qPX5v6CjSkvbgAbd
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
philipma1957
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December 18, 2018, 05:42:21 PM
Last edit: December 18, 2018, 11:56:03 PM by frodocooper
 #16

have a issue could be usb cable which does both power and signal is defective I am dropping connection between auc and miner.

this is an example





psu issue  it is now using  a pair of bitmain apw3+ and works!

trying down clock with this setting

Quote
Minimum Fan%(Range: 0-100, Default: 10%)  30

More Options                              --avalon9-voltage-level -2

all other settings are stock

downclock results with first rasp pi are poor   watts are about 2020 stock setting
I got watts to drop to 1800  but  hash dropped more then it should of. 

so say 2020 watts give 19th
or 1800 watts give 17th

basically shit gear on first attempt at down clocks.

I moved onto newer firmware will get back with numbers

stock was 2052 watts and 20 th on new rasp pi

first down clock used

--avalon9-voltage-level -1

watts dropped to 1932 will get back with a hash number

20.5 th so far so newer rasp pi seems better

1932/20500 = 94 watts a th  not close to a m10  2400/34000 = 70.5 watts a th

but cheap 2 units = 790 plus psus say 1000 or 1100 for 40th

an m10 from li is 890 plus tax and shipping or 1200 for 34th

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 18, 2018, 10:04:29 PM
 #17

My orders are still processing and past ship date. My first order was #6611. What were your guys order numbers? Curious if they are shipping by when the orders were placed or not. Hoping Canaan also offers some low power firmware.
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December 18, 2018, 10:32:58 PM
 #18

I am behind you @ 6656. Started a chat yesterday and I was told a few more days to ship. It will not be here for Christmas, but I am hoping by New Years. Time will tell.
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December 18, 2018, 11:57:33 PM
Last edit: December 19, 2018, 10:43:21 AM by frodocooper
 #19

Edit 1783 watts  doing 18123 gh

using this setting

--avalon9-voltage-level -7

decent about 98 watts a th  but I am hoping for better

at stock it was 2020 watts doing 20500
it is a lot of hash for under 400 ssd but you don't get good efficiency.

this is an industrial miner needs 240 volts for 1 psu or 2 separate circuits for 2 psus if 120 volts
it is loud.
I am hoping for better firmware.
 I will tweak it more , but I do not like  results so far. It is very close to the s9i in efficiency  but does more hash with more power.

13700 hash 1250 watts s9i on LPM

I may be getting better numbers with the second rasp pi firmware

I can drop watts from 2020 to 1731  with this setting

Quote
Minimum Fan%(Range: 0-100, Default: 10%)  30

More Options  --avalon9-voltage-level -7

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 19, 2018, 11:00:22 AM
Last edit: December 19, 2018, 11:21:06 AM by frodocooper
Merited by mikeywith (2), NotFuzzyWarm (1), Steamtyme (1)
 #20

The --avalon9-voltage-level command-line option does not accept values of less than 0. In other words, your chosen value of -7 is an invalid value, and therefore may not be having any significant effect on your A921's efficiency.

According to lines 1643 to 1645 of cgminer.c from the avalon9 branch of Canaan's cgminer repository, the range of integer values that is accepted by --avalon9-voltage-level is 0 to 15:

Code:
OPT_WITH_CBARG("--avalon9-voltage-level",
    set_avalon9_voltage_level, NULL, &opt_set_avalon9_voltage_level,
    "Set Avalon9 default level of core voltage, range:[0, 15], step: 1"),

I therefore suggest using --avalon9-voltage-level 0 and --avalon9-voltage-level-offset -2 simultaneously if you're looking to run your A921 at the lowest possible voltage level.
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