Hitachi 7K320 Specifications - Page 123
Read Verify Sectors Ext 42h
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UPC - 890552647200
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7K320 (SATA) OEM Specification 14.25 Read Verify Sector(s) Ext (42h) Command Block Output Registers Register 76543210 Data Low -------- Data High -------- Feature Current Previous Sector Count Current V V V V V V V V Previous V V V V V V V V LBA Low Current V V V V V V V V Previous V V V V V V V V LBA Mid Current V V V V V V V V Previous V V V V V V V V LBA High Current V V V V V V V V Previous V V V V V V V V Device -1- - - - - - Command 00100010 Command Block Input Registers Register 76543210 Data Low -------- Data High -------- Error ...See Below... Sector Count LBA Low LBA Mid LBA High Device Status HOB=0 HOB=1 HOB=0 V V V V V V V V HOB=1 V V V V V V V V HOB=0 V V V V V V V V HOB=1 V V V V V V V V HOB=0 V V V V V V V V HOB=1 V V V V V V V V -------...See Below... Error Register 7 65432 1 0 CRC UNC 0 IDN 0 ABT T0N AMN 0 V0V0V 0 0 Table 92 Read Verify Sector(s) Ext Command (42h) Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0V - 0 0 V The Read Verify Sector(s) Ext verifies one or more sectors on the device. No data is transferred to the host. The difference between the Read Sector(s) Ext command and the Read Verify Sector(s) Ext command is whether the data is transferred to the host or not. If an uncorrectable error occurs, the Read Verify Sector(s) Ext will be terminated at the failing sector. Output Parameters To The Device Sector Count Current The number of sectors to be transferred low order, bits (7:0). Sector Count Previous The number of sectors to be transferred high order, bits (15:8). If 0000h in the Sector Count register is specified, then 65,536 sectors will be verified. LBA Low Current LBA (7:0) LBA Low Previous LBA (31:24) LBA Mid Current LBA (15:8) LBA Mid Previous LBA (39:32) LBA High Current LBA (23:16) LBA High Previous LBA (47:40) Input Parameters From The Device LBA Low (HOB=0) LBA (7:0) of the address of the first unrecoverable error. LBA Low (HOB=1) LBA (31:24)of the address of the first unrecoverable error. LBA Mid (HOB=0) LBA (15:8)of the address of the first unrecoverable error. LBA Mid (HOB=1) LBA (39:32)of the address of the first unrecoverable error. LBA High (HOB=0) LBA (23:16)of the address of the first unrecoverable error. LBA High (HOB=1) LBA (47:40)of the address of the first unrecoverable error. Page 123 of 176
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