For SATA revision 1 the following are some of Pass/Fail tests required in the standard: Amplitude Differential Voltage AC Common Mode Voltage Timing Rise Time Fall Time Differential Skew Jitter Total Jitter Deterministic Jitter Random Jitter SSC Analysis Out Of Band COMINIT COMWAKE COMRESET Note the eye diagram is not required for compliance but is recommended for fault location and as informational.