Maxtor D540X-4K Product Manual page 68

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