Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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Table 90: 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
Summary of Contents for 3.5-INCH HDS725050KLA360
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