Topic: [ANN] Technobit HEX8A1 -240 GHs Coincraft A1 board- Finished production - page 8. (Read 72437 times)

could  somebody upload the hex8a1 release of hexminer? the link on the technobit  site is dead

That is a thought,  how much for a fully populated board without the A1 chips?   We can mount it ourselves.

Marto can you comment.

Just bought a 8A1 for 400 euro's.
it is working fine, but the two fans are not working when connected to the board.
I do supply them external now (connected to same psu).

Does someone know why the board does not supply them (maybe it has happend more often)?

All of the AMT customers execpt melbro did recive a crap. not a bunch all exept one!
Are you ready to pay shiping back and fourth + 1month  delay + service + pcb cost?
If yes then somone can comment if it is possible at at in technical terms
Besides you do not know if chips are working at all
that is noncence
The best aproch will be to order populated board without the chips and do it localy.
Nonworking chip in the beginning of the chain can make all the rest not to work
And finaly cheaper will be just to order real fuly populated  board which is working fantastic

Hello,

A bunch of AMT customers have received AMT systems that are non-working.

Would it be possible for us to send our boards to you to be re-assembled into TechnoBit boards?

You will just have to remove the surface mounted A1 chips.

Is this something that is viable?

Hi !

hope its good for me , cause i send back an faulty 130 Unit for RMA and get back an 260 Unit 

the RMA must be now landing in Bulgary ,

http://nolp.dhl.de/nextt-online-public/set_identcodes.do?lang=de&idc=712140699059&rfn=&extendedSearch=true


Greetz Glen

Price and delivery updated

Dogie's comprehensive setup guide in super HD!

Done over Technobit HP ( Contact )


Hello !

i just send the Miner for RMA
because i want to buy another i choose to "upgrade" this RMA Unit to an HEX8 260 GHS Version.

following URL :
https://bitcointalksearch.org/topic/m.6407336

Can you please inform me for further Details ?

Greetings Glen

Both are possible
Just sent a msg from your technobit account

Thx for Help

Question : it is possible to "upgrade" to the 260 GHs Version ?
otherwise i will update to 2 of the 130GHs Units ( 1 RMA and 1 New )


Greetz Glen

Just send it .
that is all

@Marto :
pls can you explain the Prozedure of RMA ? have i to pay first and then you send the Package ?

little confused of this RMA Thing .

Greetz Glen

After all the explanations i am wandering how you still are not on fire
Listen to zich
Chips need power - that is why two connectors are there. Zich have measured them in the past

In short for eight chips measured by zich

Here is the result on 12V rail:
260/1005 = 33   A
265/1030 = 37   A
265/1040 = 38,5 A
265/1050 = 39   A
270/1050 = 40,5 A
You can go lower of course that is OCed

So divide this by two and add 15% safety margin at least for 4 chips

Hi thanks for replies and info, it helps.

so on 130  unit there are 4 chips?

also why are there two 6 pin PCI-e  and what are the terminals ?

what info have you based power (12v 17amp) on?

I would like to ask Marto what sort of power supply he would use please?

Yes (lol) i have run two 130 boards on the 300w PSU conected like something out of film adaption of Jules Vern novel.
one PSU is not working now (over heated) in an other 12v line wire began to melt at hexminer voltage 1000. I got a few of these 300w PSU for cheap price (10 euro each), yes u get what u pay for some times.

but it has meant I did not get chance to break more expensive PSU ( I am a beginer really)
When I ran the two 130 units hexminer voltage "890" PSU heating up was less and ran 4-5 hours but with low hash rate
 about +/-100gh/s.

so for correct power supply I should know all factors of power requirements of parts on unit eg. chip, fans etc.
ok thanks again and if you can help with further infomation that would be ace!

EU40Niner

so Hi
Order from Technobit no problems,shipped as stated in invoice, brilliant, (QLDNIPFTR)(thanks) at moment i have tested boards separately,working to +/- 130gh/s.(with voltage adjustments) so geart so far.
I do have some questions,
 
 
Now I am new to this size of  hashing board only having dealt with USB stick miner so please can some one tell me what these settings represent in this configuration file, cgminer.conf
"hexminer8-set-diff-to-one" : "0",
"hexminer8-chip-mask" : "255", ( is this always 255?)
"hexminer8-voltage" : "1000",
"hexminer8-options" : "4:260",    {what is this? 4=? 260=?)
at the moment i have my volatage at 880,  options 4:230   i get some heat in  12v PSU line, higher settings get more heat/cut out get +
PSU is 230v, 300w (DC max out +12v, 9A) I have two boards running off this PSU,  had them working for about 5 hours at +/-114 avg before going to bed sleep, did not have confidence to leave running in case of over heating. any help would be appricated concerning overheat in 12V line. since then PSu has overheated as well as power lines.
Also , why are there two pin power inputs on one bard, should both be used or just one. also does it matter if the power in put is+12v line or -12v line.  what sort of power should I be using on 130 board.
thanks.

Finally :

Your order on TechnoBit is complete.

Please send us a bank wire with

- Amount 32,00€

- Name of account owner TECHNOBIT MT LTD

- Include these details Municipal Bank PLC
IBAN BG79SOMB91301055269501
BIC SOMBBGSF

- Bank name MUNICIPAL BANK PLC
Sofia Oborishte branch
!!! PLEASE SEND with Bank taxes on your account
NOT SHARED
For RMA sendings to us
Please use:
Technobit MT Ltd
(Technomachinex MT building)
Sofia 1784 Bulgaria
Tzarigradsko chouse 7-th km

- Do not forget to insert your order reference IXRPCAXWX in the subject of your bank wire.






I hope i do it right with the RMA Procedure .

Greetz Glen

Why is usb hub a must using TpLink?
I've pluggend mine in directly, hashing non stopwithout a problem sine day one...

[    3.890640] bcm2708_i2c bcm2708_i2c.1: BSC1 Controller at 0x20804000 (irq 79) (baudrate 100000)
[    3.892613] usb 1-1.2.4: New USB device found, idVendor=05e3, idProduct=0608
[    3.892646] usb 1-1.2.4: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    3.892663] usb 1-1.2.4: Product: USB2.0 Hub
[    3.894815] hub 1-1.2.4:1.0: USB hub found
[    3.895564] hub 1-1.2.4:1.0: 4 ports detected
[    3.903891] i2c /dev entries driver
[    3.959284] systemd[1]: Started Journal Service.
[    4.177511] usb 1-1.2.4.4: new full-speed USB device number 6 using dwc_otg
[    4.288061] usb 1-1.2.4.4: New USB device found, idVendor=04d8, idProduct=000a
[    4.288099] usb 1-1.2.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    4.288118] usb 1-1.2.4.4: Product: HEX8A1-CoinCraft ASIC Miner
[    4.288133] usb 1-1.2.4.4: Manufacturer: TECHNOBIT HEX ASIC Miner.
[    4.963722] systemd-udevd[82]: starting version 210
[    5.561875] bcm2708-i2s bcm2708-i2s.0: Failed to create debugfs directory
[    5.592438] cdc_acm 1-1.2.4.4:1.0: This device cannot do calls on its own. It is not a modem.
[    5.626027] bcm2708_spi bcm2708_spi.0: master is unqueued, this is deprecated
[    5.628657] bcm2708_spi bcm2708_spi.0: SPI Controller at 0x20204000 (irq 80)
[    5.686660] cdc_acm 1-1.2.4.4:1.0: ttyACM0: USB ACM device
[    5.690908] usbcore: registered new interface driver cdc_acm
[    5.690937] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    6.194763] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[    6.469461] systemd-journald[69]: Received request to flush runtime journal from PID 1
[    7.128462] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[    8.624460] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1

i switched to every Hub , 3 dif. Hubs with 3 dif. Powersups


[minepeon@minepeon ~]$ lsusb
Bus 001 Device 006: ID 04d8:000a Microchip Technology, Inc. CDC RS-232 Emulation Demo
Bus 001 Device 005: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. SMC9512/9514 USB Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[minepeon@minepeon ~]$