Hitachi HTS725050A9A364 Datasheet download pdf (Page 91)

7K500 OEM Specification

Page 91 of 176

Word Content Description

48 4000H Trusted Computing feature set options

15(=0)

Always 0

14(=1)

Always 1

13- 1(=0)

Reserved

0(=0)

1=Trusted Computing feature set is supported

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 Supported

* 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 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 x007H

Validity flag of the word

15- 8

xxh = FFS Sense Level

7- 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

1= Multiple Sector Setting is Valid

7- 0

xxh = Current setting for number of sectors

60-61 Note.2

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

Note.1 The ‘*’ mark in ‘Content’ field indicates the use of those parameters that are vendor specific.

Note.2 See following table “Table 64 Number of cylinders/heads/sectors by models for

HTS7250XXA9A3XX” on Page 100

Table 56 Identify device information --- Continued ---

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 ... 175 176

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Hitachi HTS725050A9A364 Datasheet Page 91

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