Query/enable (E)IDE 32-bit I/O support using hdparm
Check your current disk status.
hdparm -tT /dev/hda
-c Query/enable (E)IDE 32-bit I/O support. A numeric parameter can be used to enable/disable 32-bit I/O support: Currently sup-ported values include 0 to disable 32-bit I/O support, 1 to enable 32-bit data transfers, and 3 to enable 32-bit data trans-fers with a special sync sequence required by many chipsets.
The value 3 works with nearly all 32-bit IDE chipsets, but incurs slightly more overhead. Note that “32-bit” refers to data transfers across a PCI or VLB bus to
