- Joined
- Jul 20, 2002
I was getting a lot of HDD event ID 153 errors on some older HDD's I have (an ancient, refurbished WD 1600js [that has both a 4-pin molex power connector and SATA power] and a Toshiba HDWD120) but never on my pair of Samsung 850 Pro 256GiB SATA SSD's. There's an interesting hidden setting called AHCI Link power management under advanced power settings in power options under hard disk for HIPM/DIPM that defaults to HIPM (Host Initiated Power Management) I believe. You have to change the registry to enable access to this setting in Windows 10. This controls the power state of the SATA link, powering it down when not in use. I'm thinking both my HDD's are too old to properly recognize AHCI link power management and this was why I was getting the event ID 153 errors. This setting is also dependent on BIOS settings as well (e.g. SATA Aggressive link power management) and having the HDD controller set to ACHI mode (not RAID).
So if I were to change the AHCI Link Power Management to DIPM (Device Initiated Power Management), would just the SSD's power down their SATA connections? Or would the SATA AHCI HDD controller respond to the DIPM request and power down ALL SATA links (incl. those to my HDD's) instead of just the SSD's?
So if I were to change the AHCI Link Power Management to DIPM (Device Initiated Power Management), would just the SSD's power down their SATA connections? Or would the SATA AHCI HDD controller respond to the DIPM request and power down ALL SATA links (incl. those to my HDD's) instead of just the SSD's?