本帖最后由 909648183 于 2018-3-10 21:56 编辑
这个是需要3.3v空载了? sata v3.3的新要求
Pin 3 in SATA revision 3.3 has been redefined as PWDIS and is used to enter and exit the POWER DISABLE mode for compatibility with SAS specification. If Pin 3 is driven HIGH (2.1–3.6 V max), power to the drive circuitry is disabled. Drives with this feature do not power up in systems designed to SATA revision 3.1 or earlier. This is because Pin 3 driven HIGH prevents the drive from powering up
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