Hitachi 7K400 Specifications - Page 142
An asterisk * in next to the Content field indicates the use of those parameters that are vendor
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Table 91: 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 Content Description 48 0000H Reserved 49 XF00H 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) LBA supported 8(=0) DMA supported * 7-0(=0) Reserved 50 4000H 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 51 0200H PIO data transfer cycle timing mode 52 0200H * DMA data transfer cycle timing mode. Refer to Word 62 and 63 53 0007H 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 54 XXXXH Number of current cylinders 55 XXXXH Number of current heads 56 XXXXH Number of current sectors per track 57-58 XXXXH Current capacity in sectors Word 57 specifies the low word of the capacity 59 0XXXH 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 60-61 XXXXH 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 62 0000H 63 XX07H 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 7K400 Hard Disk Drive Specification 128