M.A.T / Alchemist Firmware issue solution (c)jstefanop

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fugju
Posts: 74
Joined: Fri Nov 18, 2016 7:09 am

M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby fugju » Fri Nov 18, 2016 7:36 am

With this thread i want help the users with an M.A.T Excalibur , Alchemist Alcheminer and other. If your Miner from year 2015 and specified to 256MH/s than its an Alcheminer with other Name and with same issue for >20% rejected.

jstefanop wrote a new firmware for the Spartan Chip (it costs 20 Bucks) and wrote an driver for bfgminer. It works realy good. I have avg. <0.5% rejected and <3% HW on the most pools. Sometimes you have to playing with settings. Very fast coinswitch and low coin difficulty are an problem also after flashing, but not so heavy. Use pool instruction for KNC Titan, it works very well for MAT too!
But with the flashing the MAT are usable :-)

You need

- Raspberrypi 2 (B+) [Raspi 3 dont work!]
- short Cable for pins
- Flashfile from jstefanop
- reading this instruction Original Litecoin Thread
You can clone luke-jr bfgminer and not jstefanop git, the driver is now in lukes git


Hurdles:
- By cloning github certificates error, use the ca-validaty ignore command.
- Restart the Raspi after every well done flashing
- Not decting chain -> clean with wodka the pins before pin in, just so that not make dirty contacts inside
- Error while flashing -> try it few times, reboot, clean, try again few times... If it dont work, than this hashboard may have issue
- if you root, change directony in /home before cloning otherwise you to login for ever with root to use bfg...
- if bfgminer cant found board, than you have to stop the Pythonminer in the GUI or rename the MAT folder.
- If bfgminer cant found board and pythonminer is disabled, than plug out the electric cables and give electricity first to the board and at least to controller.


I have flashed five (two my own, other for friends) M.A.T, it works! ;)




(Please dont missunterstand! I dont want make promotion for jstefanop and i get nothing for it! I have spent very much time for searching and making and in past i would be very happy if someone tells me straight this solution for the rejected issue)
nukepower
Posts: 53
Joined: Tue Jul 26, 2016 12:18 pm

Re: M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby nukepower » Thu Nov 24, 2016 9:18 pm

and it works great i used it on my Alchemist miner few month ago i paid jat in donations to finish support so you can use it with any PI type PC with BFG you want to with custom made USB doges and a powered usb hub,it works mine uses a Cube board one running minera with Ubuntu 16.4.1.

but you may have to buy the firmware off jat not bfg there two different things bfg is free the firmware to let you use bfg after you flash it may not be.
hammelhan
Posts: 1
Joined: Mon Apr 17, 2017 2:59 pm

Re: M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby hammelhan » Mon Apr 17, 2017 3:11 pm

hello,

does anyone have the Alche_FPGA_v2_flasher.svf file or a emailadress of jstefanop so that i can buy the firmware for my mat boards.
the old forum is no more aktive and i cant find a way to contact jstefanop.

will donate for it if you find the file.

greetings,
stephan
fugju
Posts: 74
Joined: Fri Nov 18, 2016 7:09 am

Re: M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby fugju » Tue Apr 18, 2017 9:08 pm

hammelhan wrote:hello,

does anyone have the Alche_FPGA_v2_flasher.svf file

yes
or a emailadress of jstefanop so that i can buy the firmware for my mat boards
the old forum is no more aktive and i cant find a way to contact jstefanop.

Try on bitcointalk.com, it will work ;)
jstefanop
Posts: 10
Joined: Tue Apr 18, 2017 3:00 pm

Re: M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby jstefanop » Wed Apr 19, 2017 3:00 pm

Yes I'm on bitcointalk, just PM (same name) me on there and ill send you the file...I don't check this forum. And donations from all the people that I know haven't donated would be appreciated...spent a lot of time on this upgrade and you guys are hashing an extra 50-100 USD per month per unit because of it...I unfortunately barely got anything back for this work.
nukepower
Posts: 53
Joined: Tue Jul 26, 2016 12:18 pm

Re: M.A.T / Alchemist Firmware issue solution (c)jstefanop

Postby nukepower » Sat Apr 22, 2017 12:55 pm

if you can't get his attention fast enough i will give you a copy of the one I own, i paid for, all i ask is donate 50 bucks to jstefanop and tell him, I told you to
...

other wise all good ...

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