Fujitsu MHM2200AT Manual/User Guide - Page 93
Command descriptions
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Interface Y*: Necessary to set parameters under the LBA mode. N: Not necessary to set parameters (The parameter is ignored if it is set.) N*: May set parameters D: The device parameter is valid, and the head parameter is ignored. D*: The command is addressed to the master device, but both the master device and the slave device execute it. X: Do not care 5.3.2 Command descriptions The contents of the I/O registers to be necessary for issuing a command and the example indication of the I/O registers at command completion are shown as following in this subsection. Example: READ SECTOR(S) At command issuance (I/O registers setting contents) Bit 1F7H(CM) 1F6H(DH) 1F5H(CH) 1F4H(CL) 1F3H(SN) 1F2H(SC) 1F1H(FR) 76543210 00100000 x L x DV Head No. / LBA [MSB] Start cylinder address [MSB] / LBA Start cylinder address [LSB] / LBA Start sector No. / LBA [LSB] Transfer sector count xx At command completion (I/O registers contents to be read) Bit 1F7H(ST) 1F6H(DH) 1F5H(CH) 1F4H(CL) 1F3H(SN) 1F2H(SC) 1F1H(ER) 76543210 Status information x L x DV Head No. / LBA [MSB] End cylinder address [MSB] / LBA End cylinder address [LSB] / LBA End sector No. / LBA [LSB] X'00' Error information 5-16 C141-E104-03EN