IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 176

11.31 Set Multiple (C6h) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count V V V V V V V V Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 11000110 Command Block Input Registers Register 76543210 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 138. 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. If an invalid block size is specified, an Abort error will be returned to the host and Read Multiple and Write Multiple commands will be disabled. Output parameters to the device Sector Count The block size to be used for Read Multiple and Write Multiple commands. Valid block sizes can be selected from 0, 1, 2, 4, 8 or 16. If 0 is specified, the Read Multiple and Write Multiple commands are disabled. Deskstar 120GXP hard disk drive specifications 162