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Altera_Forum
Honored Contributor I
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SATA COMINIT signal

Hi all  

 

I'm trying to send a COMINIT primitive to a SATA 2 HD using the stratixIV developement kit and the terasic HMSC-SATA/SAS daughter card. 

 

I send the SATA primitive BC4A4A7B in 6 106.7 ns bursts spaced with a 320 ns pause. 

 

I configured a transceiver with a basic 8b/10b protocol with a 32 bits wide input and a 75 mhz refclock to achieve the 3gb/s band. 

 

i manage to send the signal but i get no response from the HD. 

 

Has anyone already solved the same problem? 

 

i can provide as much info as you need. 

 

Thanks in advance. 

 

Marco
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