IBM DJSA-210 Hard Drive Specifications - Page 124
Flush Cache E7h, Data in the write cache buffer is written to the disk media.
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13.4 Flush Cache (E7h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 0 0 1 1 1 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 7 6 5 4 3 210 CRC UNC 0 IDN 0 ABT T0N AMN 0 0 0 0 0 V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 74. Flush Cache command (E7h) This command causes the device to complete writing data from its cache. The device returns a status of RDY = 1 and DSC = 1 (50h) after following sequence. ! Data in the write cache buffer is written to the disk media. ! There is a return of a successful write completion to the disk media. Travelstar 32GH/30GT/20GN hard disk drive specifications 110