Hitachi HDS728080PLAT20 Specifications - Page 171
Read Native Max Address Ext 27h
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12.22 Read Native Max Address Ext (27h) Table 116: Read Native Max Address Ext command (27h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Low Data High Current Feature Previous Sector Count Current Previous Sector Number Current Previous Cylinder Current Low Previous Cylinder Current High Previous Device/Head 1 1 1 D - - - - Command 0 0 1 0 0 1 1 1 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Low Data High Error see below Sector Count HOB=0 HOB=1 Sector Number HOB=0 HOB=1 Cylinder HOB=0 Low HOB=1 Cylinder HOB=0 High HOB=1 Device/Head Status V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V See below ... 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V This command returns the native max LBA of HDD which is not effected by Set Max Address Ext command. Input parameters from the device Sector Number (HOB=0) LBA (7:0) of the address of the Native max address Sector Number (HOB=1) LBA (31:24) of the address of the Native max address Cylinder Low (HOB=0) LBA (15:8) of the address of the Native max address Cylinder Low (HOB=1) LBA (39:32) of the address of the Native max address Cylinder High (HOB=0) LBA (23:16) of the address of the Native max address Cylinder High (HOB=1) LBA (47:40) of the address of the Native max address Deskstar 7K80 Hard Disk Drive Specification 167