Fujitsu MHY2060BS, MHY2160BS, MHY2200BS manual = Read and Write DMA EXT GPL optional commands are

Interface

*26 WORD 106
Bit 15:	0	The device always returns the fixed value indicated on the left.
Bit 14:	1	The device always returns the fixed value indicated on the left.
Bit 13:	'1' = Each device has several logical sectors per physical sector.
Bit 12:	'1' = Logical sector of the device is grater than 256 Words.
Bits 11-4:	Reserved
Bits 3-0:	Logical sector size per physical sector
*27 WORD 119
Bit 15:	0
Bit 14:	1
Bits 13-5:	0
Bit 4:	'1' = Segmented feature for DOWNLOAD MICROCODE is
		supported
Bit 3:	'1' = READ and WRITE DMA EXT GPL optional commands are
		supported
Bit 2:	'1' = WRITE UNCORRECTABLE is supported.
Bit 1:	'1' = Write-Read-Verify feature set is supported.
Bit 0:	'1' = Clearing DRQ bit to zero when error bit is set is supported.
		(No Dummy transferring function is supported.)
*28 WORD 120
Bit 15:	0
Bit 14:	1
Bits 13-5:	0
Bit 4:	'1' = Segmented feature for DOWNLOAD MICROCODE is
		supported.
Bit 3:	'1' = READ and WRITE DMA EXT GPL optional commands are
		supported.
Bit 2:	'1' = WRITE UNCORRECTABLE is supported.
Bit 1:	'1' = Write-Read-Verify feature set is enabled.
Bit 0:	'1' = Clearing DRQ bit to zero when error bit is set is enabled.
		The drive doesn't execute the dummy transferring.

5-116 C141-E269