Table of Contents
Advertisement
ATA Bus Interface and ATA Commands
Word
67
Minimum PIO transfer cycle time without flow control
15-0:
68
Minimum PIO transfer cycle time with IORDY flow control
15-0:
69-70
Reserved (for future command overlap and queuing)
71-74
Reserved for IDENTIFY PACKET DEVICE command.
75
Queue depth
15-5:
4-0:
76-79
Reserved for Serial ATA
80
Major version number
0000h or FFFFh = device does not report version
15:
14:
13:
12:
11:
10:
9:
8:
7:
6:
5:
4:
3:
2:
1:
0:
5-8
Maxtor Fireball3
Table 5-2
Identify Drive Command Parameters
CONTENT DESCRIPTION
Cycle time in nanoseconds
Cycle time in nanoseconds
Reserved
Maximum queue depth – 1
Reserved
Reserved for ATA/ATAPI-14
Reserved for ATA/ATAPI-13
Reserved for ATA/ATAPI-12
Reserved for ATA/ATAPI-11
Reserved for ATA/ATAPI-10
Reserved for ATA/ATAPI-9
Reserved for ATA/ATAPI-8
Reserved for ATA/ATAPI-7
1 = supports ATA/ATAPI-6
1 = supports ATA/ATAPI-5
1 = supports ATA/ATAPI-4
1 = supports ATA-3
Obsolete
Obsolete
Reserved
Advertisement
Table of Contents
