Hitachi IC25N040ATCS04-0 Specifications - Page 176
Set Multiple C6h
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UPC - 683728198664
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13.30 Set Multiple (C6h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count V V V V V V V V Sector Number Cylinder Low Cylinder High Device/Head 1 -1 D - - - - Command 1 1 0 0 0 1 1 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 119. Set Multiple command (C6h) The Set Multiple command enables the device to perform Read and Write Multiple commands and establishes the block size for these commands. The block size is the number of sectors to be transferred for each interrupt. The default block size after power up or hard reset is 0. The Read Multiple and Write Multiple commands are disabled. If an invalid block size is specified, an Abort error will be returned to the host. The Read Multiple and Write Multiple commands will be disabled. Output parameters to the device Sector Count. This indicates the block size to be used for the Read Multiple and the Write Multiple commands. Valid block sizes can be selected from 0, 2, 4, 8 or 16. If 0 is specified, then the Read Multiple and the Write Multiple commands are disabled. Hitachi Travelstar 60GH & 40GN hard disk drive specifications 163
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