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Mix viewdisable IDE write cache (Miscellaneous)
posted by bencollver 
, 23.02.2026, 18:44
> There are some low-level DOS HDD tools like Hitachi HDF tool that can
> enable/disable cache. On most HDD I saw the write cache was disabled by
> default (let OS to enable it). I'm not sure if the setting is persistent or
> it will return back to default after drive reset/power cycle...
Thanks, i will look for the Hitachi HDF tool.
NetBSD's dkctl(8) manual implies that it can persist on some but not all drives.
setcache none | r | w | rw [save]
...
save If specified, and the cache enables are
savable, saves the cache enables in the
disk's non-volatile parameter storage.
https://man.netbsd.org/dkctl.8
Complete thread:
- disable IDE write cache - bencollver, 23.02.2026, 05:50 (Miscellaneous)
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- disable IDE write cache - Japheth, 23.02.2026, 13:40
- disable IDE write cache - bencollver, 23.02.2026, 17:09
- disable IDE write cache - RayeR, 23.02.2026, 17:58
- disable IDE write cache - bencollver, 23.02.2026, 18:44
- disable IDE write cache - Japheth, 23.02.2026, 13:40
