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HE-MAN
 Post subject: Identify a ATA or SATA
PostPosted: March 16th, 2014, 8:15 
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Joined: March 16th, 2014, 6:44
Posts: 1
Location: Earth Planet
I am trying to identify if a ATA and SATA drives with the ECh command with the opcodes:

Code:
mov ax,00ECh
out 1F7h,ax
in 1F7h,ax


but this code returns FFh in ax register and when I try to read 1F4h and 1F5h ports returns FFh in ax too. How can I identify if is a ATA or SATA drive using I/O ports?
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