Hitachi HTS543232L9A300 Specifications - Page 82
Table 46 Device Configuration Overlay Data structure
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5K320 SATA OEM Specification Word Content 0 0002h Data Structure revision 1 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 2 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 3-6 Maximum LBA address 7 Command set/feature set supported 15-9 Reserved 8 1 = 48-bit Addressing feature set supported 7 1 = Host Protected Area feature set supported 6 Reserved 5 Reserved 4 1 = Power-Up in Standby feature set supported 3 1 = Security feature set supported 2 1 = SMART error log supported 1 1 = SMART self-test supported 0 1 = SMART feature set supported 8 SATA feature 15-5 Reserved 4 1 = Software setting preservation supported 3 Reserved 2 1 = Interface power management supported 1 1 = Non-zero buffer offset in DMA Setup FIS supported 0 1 = Native command queuing supported 9-254 Reserved 255 Integrity word 15-8 Checksum 7-0 Signature (A5h) Table 46 Device Configuration Overlay Data structure 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 0 through 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. 82