5K250 (SATA) OEM Specification
Page 88 of 171
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 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.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 63 Number of cylinders/heads/sectors by models for
HTS5425XXK9SA00 / HTS5425XXK9A300” on Page 96
Table 55 Identify device information --- Continued ---
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