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 Post subject: Post subject: Western Digital TTL Port
PostPosted: January 11th, 2018, 21:26 
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Joined: January 11th, 2018, 18:09
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Location: egytp
Hi!

Western Digital have ttl port? and how configurate RX,TX and Ground? 1292 IDE

a TTL adaptor to WD drives in order to use x-modem to write back the ROM to the PCB in case of damaged ROM.

For each pcb you short special points and with TTL connected and software running you upload ROM back to PCB???
short special points and with connected and PCB.??1292 IDE

1335

Hello everyone, sorry for my english, because am using google translator.


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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 12th, 2018, 15:41 
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Joined: December 19th, 2006, 8:49
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Can you post a picture of the PCB ?

Is it MARVELL based ?

What "software" are you using ? U-Command ? MRT PRO ?

You are correct, you can use TTL to programm ROM but U-Command "instructions" don't talk about PCB 12xx, only 13xx that you need to short E41 with E112.

Of course that if your PCB is not MARVELL then this will not work, Also shorting points most likely will NOT BE THE SAME as for 13xx

Does the drive have EXTERNAL ROM CHIP ?

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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 12th, 2018, 19:27 
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Joined: January 11th, 2018, 18:09
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Location: egytp
Spildit, Can you post a picture of the PCB ? Yeah
What "software" are you using ? U-Command ? MRT PRO ?Yeah U-Command
-------------------------------------------------------
1292
https://imgur.com/pejdHrO

https://imgur.com/yoiEUpE
------------------------------
1335

https://imgur.com/JNJaWhy

https://imgur.com/jm15jeH
----------------------------
https://imgur.com/lqpHHqx

https://imgur.com/HY4JxvF

1444
------------------------
and with TTL connected
https://imgur.com/ISOyOVf

https://imgur.com/aDvxFNt


Thank you for replying


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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 13th, 2018, 8:15 
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Joined: December 19th, 2006, 8:49
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Location: Portugal
Here :

http://www.hddoracle.com/viewtopic.php?f=22&t=217

13xx - Short E41 with E112

1444 and 1552 ground like P14 P15 E41 E112 access

:shock: :shock: :shock: :shock: (badly translated) lolol

And 1292 i don't have a clue.

Also check here - http://www.hddoracle.com/download/file. ... &mode=view

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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 13th, 2018, 8:20 
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At least some of your PCBs have EXTERNAL ROM CHIP at U12 !!!!

Why don't you use something like this ?

http://www.hddoracle.com/viewtopic.php?f=110&t=1738

:D :D :D

I don't know if U-Command will work on PCBs with external ROM. I did never try that.

Also make sure you have full version (not demo).

Good luck.

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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 13th, 2018, 14:07 
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Joined: January 11th, 2018, 18:09
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Thank you for replying


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 Post subject: Re: Post subject: Western Digital TTL Port
PostPosted: January 13th, 2018, 14:16 
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No problem.

Please do let us know if it did work out for you !

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