Hitachi 7K250 Specifications - Page 135
An asterisk * in next to the Content field indicates the use of those parameters that are vendor
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Table 63: Identify device information (Part 2 of 7) An asterisk (*) in next to the Content field indicates the use of those parameters that are vendor specific Word 48 49 50 51 52 53 54 55 56 57-58 59 60-61 62 63 Content 0000H XF00H 4000H 0200H 0200H 0007H XXXXH XXXXH XXXXH XXXXH 0XXXH XXXXH 0000H XX07H Description Reserved Capabilities, bit assignments: 15-14(=0) Reserved 13 Standby timer (=1) Values as specified in ATA standard are supported (=0) Values are vendor specific 12(=0) Reserved 11(=1) IORDY Supported 10(=1) IORDY can be disabled 9(=1) Reserved 8(=0) Reserved * 7-0(=0) Reserved Capabilities. bit assignments 15-14(=01) Word 50 is valid 13- 1(=0) Reserved 0 Minimum value of Standby timer (=0) less than 5 minutes (=1) equal to or greater than 5 minutes PIO data transfer cycle timing mode * DMA data transfer cycle timing mode. Refer to Word 62 and 63 Validity flag of the word 15- 3(=0) Reserved 2(=1) 1 Word 88 is Valid 1(=1) 1=Word 64-70 are Valid 0(=1) 1=Word 54-58 are Valid Number of current cylinders Number of current heads Number of current sectors per track Current capacity in sectors Word 57 specifies the low word of the capacity Current Multiple setting. Bit assignments: 15- 9(=0) Reserved 8 1= Multiple Sector Setting is Valid 7- 0 xxh = Current setting for number of sectors Total Number of User Addressable Sectors Word 60 specifies the low word of the number FFFFFFFh=The 48-bit native max address is greater than 268,435,455 Multiword DMA Transfer Capability 15- 8 Multiword DMA transfer mode active 7- 0(=7) Multiword DMA transfer modes supported (support mode 0,1,and 2 Deskstar 7K250 Hard Disk Drive Specification 121