Hitachi HTS421210H9AT00, Specifications

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Travelstar 4K120 Hard Disk Drive Specification
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Table 75: Identify device information. (Part 2 of 7)
Word Content Description
48 0000H * Capable of double word I/O, '0000'= cannot perform
49 0F00H
*
Capabilities, bit assignments:
15-14(=0) Reserved
13(=0) 0= Standby timer value are vendor specific
12(=0) Reserved
11(=1) 1= IORDY Supported
10(=1) 1= IORDY can be disabled
9(=1) 1= LBA Supported
8(=1) 1= DMA Suppoted
7-0(=0) Reserved
50 4000H Capabilities
15(=0) 0=the contents of word 50 are valid
14(=1) 1=the contents of word 50 are valid
13- 2(=0) Reserved
1(=0) Obsolete
0(=0) 1= the device has a minimum Standy timer value that
is device specific.
51 0200H * PIO data transfer cycle timing mode
52 0200H * DMA data transfer cycle timing mode Refer 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 (Note 1) 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 * Reserved
63 0X07H Multiword DMA Transfer Capability
15-11 (=0) Reserved
10 1=Multiword DMA mode 2 is selected
9 1=Multiword DMA mode 1 is selected
8 1=Multiword DMA mode 0 is selected
7- 3 (=0) Reserved
2 1=Multiword DMA mode 2 is supported
1 1=Multiword DMA mode 1 is supported
0 1=Multiword DMA mode 0 is supported