Maxtor D540X-4K User Manual
Page 68
![background image](/manuals/124248/68/background.png)
ATA Bus Interface and ATA Commands
6-6
Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT
49
15-14
13
12
11
10
9
8
7-0
Capabilities
Reserved for the IDENTIFY PACKET DEVICE
command.
Standby timer values are supported
Reserved for the IDENTIFY PACKET DEVICE
command.
IORDY supported
IORDY may be disabled
LBA supported
DMA supported.
Retired
0F00h
50
15
14
13-2
1
0
Capabilities
Shall be cleared to zero.
Shall be set to one.
Reserved.
Obsolete
Shall be set to one to indicate a device specific
Standby timer value minimum.
0
1
000h
0
0
51-52
Obsolete
0200h-
0200h
53
15-3
2
1
0
Reserved
the fields reported in word 88 are valid
the fields reported in words 64-70 are valid
the fields reported in words 54-58 are valid
0
1
1
1
54
Obsolete
3FFFh
55
Obsolete
0010h
56
Obsolete
0100h
57-58
Current capacity in Sectors
Variable
59
Multiple sector setting
0100h
60-61
Total number of user addressable sectors
Variable
62
Obsolete
0000h
63
Multiword DMA mode
0407h
64
Advanced PIO modes
0003h
65
Minimum Multiword DMA transfer cycle time
0078h
66
recommended Multiword DMA transfer cycle time
0078h
67
Minimum cycle time without flow control
0078h
68
Minimum cycle time with IORDY flow control
0078h
69-70
Reserved
Reserved
71-74
Reserved
Reserved
75
Maximum queue depth – 1
0000h
76-79
Reserved
Reserved