WD1002FAEX-00Z3A0 sleeps after Suspend-to-RAM


I am using a WD1002FAEX-00Z3A0 as an internal backup drive under Windows 7 (up to date). Normally this works fine.

But if Windows restarts from S3 (Suspend-to-RAM) my WD is offline; only a reboot brings the WD online (or a restart from S4 (Suspend-to-Disk)). Under Windows 7 with SP1 I have the then same problem.

My System-RAID works without problems.

Any ideas to find / solve the problem?

Thanks and best regards, Joachim.


Sometimes solutions are very simple ;).

My WD was connected to a JMicron-Chip; not to my ICH8R. And the BIOS was configured for that connector to IDE, instead to AHCI. That’s all – I hope.