Hitachi HDP725050GLA360 User Manual
Hitachi hard disk drive specifications
124
Word
Content
Description
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 (=1)
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
51
0200H
PIO data transfer cycle timing mode
52
0200H
*
DMA data transfer cycle timing mode
Refer Word 62 and 63
Refer Word 62 and 63
53
0007H
Validity flag of the word
15- 8(=0):
Free-fall Control Sensitivity
00h = Vendor‟s recommended setting
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
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
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
Multi word DMA transfer mode active
7- 0 (=7)
Multi word DMA transfer modes supported
(support mode 0,1 and 2)
(support mode 0,1 and 2)
64
0003H
Flow Control PIO Transfer Modes Supported
15-8(=0)
Reserved
7-0 (=3)
Advanced PIO Transfer Modes Supported
'11' = PIO Mode 3 and 4 Supported
65
0078H
Minimum Multiword DMA Transfer Cycle Time Per Word
15-0(=78)
Cycle time in nanoseconds (120ns, 16.6MB/s)
Table 83 Identify device information --Continued--