Samsung WA31273A Technical Manual page 72

AT INTERFACE and ATA COMMANDS
Word
55
56
57-58
59
60-61
62
63
64
65
66
67
68
69-70
71-127
128-159
160-255
6-
28 WA31273A / WA32543A / WA33203A / WA3216A / WA31083A / WA32162A
Table 6-6. Identify Drive Information (continued)
Number of current logical heads
Number of current sectors per track
Current capacity in sectors
15-9 Reserved
8 1 = Multiple sector setting is valid
7-0 xxh = Current setting for number of sectors that can be
transferred per interrupt on R/W multiple commands
Total number of user addressable sectors (LBA mode only)
15-8 Single word DMA transfer mode active
7-0 Single word DMA transfer modes supported
15-8 Multiword DMA transfer mode active
7-0 Multiword DMA transfer modes supported
15-8 Reserved
7-0 Advanced PIO transfer modes supported
Minimum Multiword DMA xfer cycle time per Word
15-0 Cycle time in nanoseconds
Mfg.'s recommended Multiword DMA xfer cycle time
15-0 Cycle time in nanoseconds
Minimum PIO xfer cycle time without flow control
15-0 Cycle time in nanoseconds
Minimum PIO xfer cycle time with IORDY flow control
15-0 Cycle time in nanoseconds
Reserved (for advanced PIO mode support)
Reserved
Vendor specific
Reserved
Description