Topic: Avalon ASIC users thread - page 39. (Read 438714 times)

I have an Corsair AX860i, at 350Mhz my Avy does 107GH/s. I would think with a 1250 PSU you should be able to get more like 120GH/s.

FYI, those OCZ PSU's might be a little harder to get since OCZ filed for bankruptcy a couple of months ago.

How much do you think I can get for a B1 4 module Avalon that has an 860 PSU, it will do 107GH/s if I wanted to sell it locally?

Thanks,

i use 3 power supply 1000w in all my 4 modules. only one with corsair 1200w. (4 avalons 4 modules for me)

all work fine since some month now and all warranty for 3 years if need !!!

Check the WEB page under the system ---> "cgminer API log"

You should find lines that say

[match_work_count]

from 1 to 32.  These should all have similar numbers.
If you have fewer than 32 workers, go to the configuration tab and change the number.  Typically, there are 8 workers for each module in the Avalon (8, 16, 24, 32).

If there are 32, but one of the numbers is very low, you have a under-performing chip.

I agree with the recommendation of the OCZ 1250 power supply.  My power draw dropped by about 30W after I changed to the power supply as measured by a kill-a-watt meter.  I also think the unit is more stable, but I don't have data at hand to back that up, it's just gut feel.

You may want to update to the latest c kolivas firmware and use the --avalon-auto option.

350 mhz pulls 970 Watt on my unit.

Sooner or later its gonna kill your 1000W unit. They are not built for  this permanent usage.

you can do the same with 1000W

Buy a 1250 OCZ psu and change chip to 350 mhz.

Enjoy 110 ghash

for a 4 modules you need psu 1000w

So I have my 4-module hashing happily at ~75Gh/s with the stock 750w psu and using the max clock settings in cgminer for my power. The Avalon Wiki says that I should bet getting :

Hashrate：90GH/s, Chip:282MHz, 750W
https://en.bitcoin.it/wiki/Avalon

What am I doing wrong?

It's not a resistor it's a magnetic bead actually its an inductor.

Hey. In the spec file to the FPGA (BOM file) is the resistor value as "MB". What does this mean? Someone knows?

I am looking for 1 or 2 broken Avalon modules.
If you have a failed module that you haven't been able to get working I might be interested in buying.

I was expecting it to need some messing once I saw the red light so pleasantly suprised it's back up, good to know it's not a big problem if it completely fails.

My experience has been that once a red light happens it will soon happen again and one module will have a bad section that needs to be disabled to get the rest of that module to work again.

Hope thats not the case with yours but fixing it isn't that hard and you'll only lose about 4GH.

It's a sad day, after 126 days uptime on my batch #3 I finally had to reboot it

It stopped hashing, all the readings were 0, all the match_work_counts were 0

Tried rebooting twice through the web interface but no joy, went down to where its hosted to find a red light on, turned the PSU off and back on and it's back up and running again

Ahhhh .... figured it out.  Someone cleverly set the DG to 192.169.x.x INSTEAD OF 192.168.x.x.  V-E-R-Y sneaky of them

H@shKraker

Hello,

I've just acquired my first handy, dandy Avalon ASIC machine and I'm having problems getting it to connect to stratum.btcguild.com on port 3334.  I can ssh to the machine from any of my RFC 1918 subnets successfully.  I can use the web interface *IF* I'm on the *SAME* subnet as the Avalon.  Thus I feel certain the network is working as it is supposed to.  The problem comes when I configure cgminer to use one of my workers at stratum.btcguild.com:3333.  It won't connect and btcguild sees no mining activity.  It's odd because while in an ssh session if I try to "telnet stratum.btcguild.com 3333" FROM the Avalon box I get no connection *BUT* if I try "telnet "telnet stratum.triplemining.com 3334" FROM the Avalon box I get a telnet connection to port 3334 successfully.  I have other mining devices on the same subnet as the Avalon machine that *CAN* connect to stratum+tcp://stratum.btcguild.com:3333 so I feel certain this is not a firewall device between the subnet and btcguild causing the problem.  For reference here's the Avalon's /etc/config/cgminer file contents ->

config cgminer 'default'
        option miner_count '24'
        option api_allow 'W:127.0.0.1'
        option pool_balance '  '
        option chip_frequency '344'
        option pool1user 'GuildPoolUser'
        option pool1pw 'GuildPoolPassword'
        option pool1url 'stratum+tcp://stratum.btcguild.com:3333'

This kinda seems like the Avalon itself is not allowing connections to port 3334 at stratum.btcguild.com BUT I cannot find anywhere that port 3333 gets dropped.  What gives?  Many thanks for your help in advance.

H@shKraker

Thanks xzempt.

I'm pretty sure I dodged a scam. The guy pulled the auction at the last minute, re listed it and then pulled it again.

Avalon sold a few Prototype devices..... looked like the avalon mini 60ghs....  but it had the 2nd gen chips... was supposed to be 200ghs..