Hitachi HTS541040G9AT00 Specifications - Page 127

indicates the use of those parameters that are vendor specific.

Page 127 highlights

Table 72: Identify device information. (Part 2 of 7) Word 48 49 50 51 52 53 54 55 56 57-58 59 60-61 62 63 Content 0000H 0F00H 4000H 0200H 0200H 0007H XXXXH XXXXH XXXXH XXXXH 0XXXH (Note 1) 0000H 0X07H Description * Capable of double word I/O, '0000'= cannot perform Capabilities, bit assignments: 15-14(=0) Reserved 13(=0) Standby timer value 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 15(=0) 0=the contents of word 50 are valid 14(=1) 1=the contents of word 50 are valid 13- 1(=0) Reserved 0(=0) 1=the device has a minimum Standby timer value that is device specific * PIO data transfer cycle timing mode * DMA data transfer cycle timing mode Refer 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 * Reserved 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 * indicates the use of those parameters that are vendor specific. Travelstar 5K100 Hard Disk Drive Specification 113

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Travelstar 5K100 Hard Disk Drive Specification
113
Table 72: Identify device information. (Part 2 of 7)
*
indicates the use of those parameters that are vendor specific.
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)
Standby timer value 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
50
4000H
Capabilities
15(=0)
0=the contents of word 50 are valid
14(=1)
1=the contents of word 50 are valid
13- 1(=0)
Reserved
0(=0) 1=the device has a minimum Standby 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