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Valued Contributor III
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system id not found when download software

hi everyone: 

when i run as=> nios ii hardware, it shows a error:"Connected system ID hash not found on target at expected base address." 

then i click system id properties, it shows that the system id not found: 

http://www.alteraforum.com/forum/attachment.php?attachmentid=9423&stc=1  

i retry sometimes, but it still not wrok; 

so i think maybe something wrong when i configure the hardware. but i check the connection of the Qsys, i still did not find something wrong: 

http://www.alteraforum.com/forum/attachment.php?attachmentid=9424&stc=1  

i post my connections , can someone help me to find if there are something wrong? 

thanks 

qd0090
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Valued Contributor III
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oh, i found the reason. 

the pll's reset should be low after reset, so the reason maybe the nios did not have clk.
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