Hitachi HDT725025VLA380 Specifications - Page 176
Read Buffer E4h
UPC - 829686001084
View all Hitachi HDT725025VLA380 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 176 highlights
12.14 Read Buffer (E4h) Table 91: Read Buffer (E4h) 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 1 0 0 1 0 0 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 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 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V The Read Buffer command transfers a sector of data from the sector buffer of the device to the host. The sector is transferred through the Data Register 16 bits at a time. The sector transferred will be from the same part of the buffer written to by the last Write Buffer command. The contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was issued. Deskstar T7K500 Hard Disk Drive Specification 162