Fujitsu MPD3173AT Product Manual - Page 107
Fujitsu MPD3173AT - Desktop 17.3 GB Hard Drive Manual
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The READ LONG command supports only single sector operation. At command issuance (I/O registers setting contents) 1F7H(CM) 0 0 1 0 0 0 1R 1F6H(DH) × L × DV Head No. /LBA [MSB] 1F5H(CH) 1F4H(CL) 1F3H(SN) 1F2H(SC) 1F1H(FR) R = 0 or 1 Cylinder No. [MSB] / LBA Cylinder No. [LSB] / LBA Sector No. / LBA [LSB] Number of sectors to be transferred xx At command completion (I/O registers contents to be read) 1F7H(ST) Status information 1F6H(DH) × L × DV Head No. /LBA [MSB] 1F5H(CH) 1F4H(CL) 1F3H(SN) 1F2H(SC) 1F1H(ER) Cylinder No. [MSB] / LBA Cylinder No. [LSB] / LBA Sector No. / LBA [LSB] 00 (*1) Error information *1 If the command is terminated due to an error, this register indicates 01. (19) WRITE LONG (X'32' or X'33') This command operates similarly to the READ SECTOR(S) command except that the device writes the data and the ECC bytes transferred from the host system to the disk medium. The device does not generate ECC bytes by itself. The WRITE LONG command supports only single sector operation. This command is operated under the following conditions: • The command is issued in a sequence of the READ LONG or WRITE LONG (to the same address) command issuance. (WRITE LONG command can be continuously issued after the READ LONG command.) If above condition is not satisfied, the command operation is not guaranteed. 5 - 40 C141-E069-02EN
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