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Arris TG2492 (VM Super hub 3)
#31
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?
Reply
#32
(02-03-2019, 05:24 PM)danman Wrote:
(02-03-2019, 02:10 PM)eltremendo Wrote:
(20-01-2019, 10:12 AM)vmu19 Wrote: Something like this:
$ mkdir /tmp/mmc;chmod 777 /tmp/mmc
$ sudo in.tftpd -cls /tmp/mmc
$ ssh root2@192.168.0.1 /bin/bash -i
root2@192.168.0.1's password:
/bin/bash: can't access tty; job control turned off
# cd /dev
# for p in mmc*;do tftp -p -l $p 192.168.0.100;done

(02-03-2019, 12:06 PM)danman Wrote: I'm getting PMs about how did I extract the FW. It's easy, you need a "better" SD card reader, in my case Transcend TS-RDF5K, SD or microSD breakout board:
https://github.com/danielkucera/MicroSD_Sniffer

and connect corresponding pins on the board:
https://blog.danman.eu/wp-content/upload...t-desc.jpg

Then you just insert the breakout board, connect pins to your board and you can extract.

Can i pm you?
Why not ask here?

(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?


no
Reply
#33
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

i will have to buy either or so i can test each point signals? to know which one are the clk , cmd, dat0, dat1. dat2?
Reply
#34
(03-03-2019, 12:02 AM)eltremendo Wrote:
(02-03-2019, 05:24 PM)danman Wrote:
(02-03-2019, 02:10 PM)eltremendo Wrote:
(20-01-2019, 10:12 AM)vmu19 Wrote: Something like this:
$ mkdir /tmp/mmc;chmod 777 /tmp/mmc
$ sudo in.tftpd -cls /tmp/mmc
$ ssh root2@192.168.0.1 /bin/bash -i
root2@192.168.0.1's password:
/bin/bash: can't access tty; job control turned off
# cd /dev
# for p in mmc*;do tftp -p -l $p 192.168.0.100;done

(02-03-2019, 12:06 PM)danman Wrote: I'm getting PMs about how did I extract the FW. It's easy, you need a "better" SD card reader, in my case Transcend TS-RDF5K, SD or microSD breakout board:
https://github.com/danielkucera/MicroSD_Sniffer

and connect corresponding pins on the board:
https://blog.danman.eu/wp-content/upload...t-desc.jpg

Then you just insert the breakout board, connect pins to your board and you can extract.

Can i pm you?
Why not ask here?

(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?


no

Can you upload pictures of your board?
Reply
#35
(03-03-2019, 12:09 AM)danman Wrote:
(03-03-2019, 12:02 AM)eltremendo Wrote:
(02-03-2019, 05:24 PM)danman Wrote:
(02-03-2019, 02:10 PM)eltremendo Wrote:
(20-01-2019, 10:12 AM)vmu19 Wrote: Something like this:
$ mkdir /tmp/mmc;chmod 777 /tmp/mmc
$ sudo in.tftpd -cls /tmp/mmc
$ ssh root2@192.168.0.1 /bin/bash -i
root2@192.168.0.1's password:
/bin/bash: can't access tty; job control turned off
# cd /dev
# for p in mmc*;do tftp -p -l $p 192.168.0.100;done

(02-03-2019, 12:06 PM)danman Wrote: I'm getting PMs about how did I extract the FW. It's easy, you need a "better" SD card reader, in my case Transcend TS-RDF5K, SD or microSD breakout board:
https://github.com/danielkucera/MicroSD_Sniffer

and connect corresponding pins on the board:
https://blog.danman.eu/wp-content/upload...t-desc.jpg

Then you just insert the breakout board, connect pins to your board and you can extract.

Can i pm you?
Why not ask here?

(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?


no

Can you upload pictures of your board?


Attached Files Thumbnail(s)
       
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#36
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

ill send you better photos later.
Reply
#37
(03-03-2019, 12:32 AM)eltremendo Wrote:
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

ill send you better photos later.

show the other side right under the NAND, there should be an eMMC controller.
Reply
#38
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

https://www.youtube.com/watch?v=k6figBh02Wc



will this help me find the pins. 

what about d0, d1, d2?
Reply
#39
(03-03-2019, 12:39 AM)eltremendo Wrote:
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

https://www.youtube.com/watch?v=k6figBh02Wc



will this help me find the pins. 

what about d0, d1, d2?

It's irrelevant if you don't have a scope.
Reply
#40
(03-03-2019, 12:37 AM)danman Wrote:
(03-03-2019, 12:32 AM)eltremendo Wrote:
(03-03-2019, 12:00 AM)danman Wrote:
(02-03-2019, 11:29 PM)eltremendo Wrote: i have another board, from a 1602A arris . how can i trace or find the corresponding pins ?

Do you have an oscilloscope or a logic analyzer?

ill send you better photos later.

show the other side right under the NAND, there should be an eMMC controller.


Attached Files Thumbnail(s)
   
Reply


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