Maxtor QUICKVIEW 300 - Manual (Page 51)

ATA Bus Interface and ATA Commands
Quickview 300 80/100/120/160/200/250/300GB PATA 5-9
67 Minimum PIO transfer cycle time without flow control
15-0: Cycle time in nanoseconds
68 Minimum PIO transfer cycle time with IORDY flow control
15-0: Cycle time in nanoseconds
69-70 Reserved (for future command overlap and queuing)
71-74 Reserved for IDENTIFY PACKET DEVICE command.
75 Queue depth
15-5: Reserved
4-0: Maximum queue depth – 1
76-79 Reserved for Serial ATA
80 Major version number
0000h or FFFFh = device does not report version
15: Reserved
14: Reserved for ATA/ATAPI-14
13: Reserved for ATA/ATAPI-13
12: Reserved for ATA/ATAPI-12
11: Reserved for ATA/ATAPI-11
10: Reserved for ATA/ATAPI-10
9: Reserved for ATA/ATAPI-9
8: Reserved for ATA/ATAPI-8
7: Reserved for ATA/ATAPI-7
6: 1 = supports ATA/ATAPI-6
5: 1 = supports ATA/ATAPI-5
4: 1 = supports ATA/ATAPI-4
3: 1 = supports ATA-3
2: Obsolete
1: Obsolete
0: Reserved
Table 5-2
Identify Drive Command Parameters
Word CONTENT DESCRIPTION