I’ve recently come into a handful of old 2.5" hard drives from the upgrade of some EPOS systems. Most of the drives work fine, but two of them, both 250gb nominal capacity (a Hitachi HTE543225A7A384, and a TOSHIBA MK2576GSXZ) both show up as 111gb in Windows (7 Ultimate 64-bit).
PassMark DiskCheckup (under the Hidden Areas - HPA/DCO tab) shows that the Max User LBA for these drives is set to about half that of the Max Native LBA and the Max Disk LBA which would explain the discrepancy. However; when I try and use the “Modify HPA/DCO” option to reset the Max User LBA to the Max Native LBA it just comes up with “Error setting new Max User LBA”.
Anybody got any ideas or know of a tool that might help?