Hitachi HTS541040G9AT00 Specifications - Page 119
Table 63: Device Configuration Overlay Data structure, Table 64: DCO error information definition.
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Table 63: Device Configuration Overlay Data structure Word 0 1 2 3-6 7 8-254 255 Content 0001h Data Structure revision Multiword DMA modes supported 15-3 Reserved 2 1 = Multiword DMA mode 2 and below are supported 1 1 = Multiword DMA mode 1 and below are supported 0 1 = Multiword DMA mode 0 is supported Ultra DMA modes supported 15-6 Reserved 5 1 = Ultra DMA mode 5 and below are supported 4 1 = Ultra DMA mode 4 and below are supported 3 1 = Ultra DMA mode 3 and below are supported 2 1 = Ultra DMA mode 2 and below are supported 1 1 = Ultra DMA mode 1 and below are supported 0 1 = Ultra DMA mode 0 is supported Maximum LBA address Command set/feature set supported 15-9 Reserved 8 1 = 48-bit Addressing feature set supported 7 Reserved 6 1 = Automatic acoustic management supported 5 Reserved 4 1 = Power-Up in Standby feature set supported 3 1 = SMART feature set supported 2 1 = SMART error log supported 1 1 = SMART sefl-test supported 0 1 = SMART feature set supported Reserved Integrity word See note below 15-8 Checksum 7-0 Signature (A5h) Note: Bits 7-0 of this word contain the value A5h. Bits 15-8 of this word contain the data structure checksum. The data structure checksum is the two's complement of the sum of all byte in words 0through 254 and the byte consisting of bits 7-0 of word 255. Each byte is added with unsigned arithmetic, and overflow is ignored. The sum of all bytes is zero when the checksum is correct. Table 64: DCO error information definition. LBA High LBA Mid Sector count invalid word location invalid bit location (bits 7:0) error reason code & description (bits 15:8) 01h DCO feature is frozen 02h Device is now Security Locked mode 03h Device's feature is already modified with DCO 04h User attempt to disable any feature enabled 05h Device is now SET MAX Locked or Frozen mode 06h Protected area is now established 07h DCO is not supported 08h Subcommand code is invalid FFh other reason Travelstar 5K100 Hard Disk Drive Specification 105