Seagate ST317221A Product Manual page 32

U8 Family Product Manual, Rev. A
Word Description
Configuration information:
Bit 15: 0 = ATA; 1 = ATAPI
•
0 Bit 7: removable media
•
Bit 6: removable controller
•
Bit 0: reserved
•
1 Number of logical cylinders
2 ATA-reserved
3 Number of logical heads
4 Retired
5 Retired
6 Number of logical sectors per
logical track: 63
7–9 Retired
10–19 Serial number: (20 ASCII
characters, 0000
20 Retired
21 Retired
22 Obsolete
23–26 Firmware revision (8 ASCII
character string, padded with
blanks to end of string)
27–46 Drive model number: (40
ASCII characters, padded
with blanks to end of string)
47 Maximum sectors per inter-
rupt on Read multiple and
Write multiple (32)
ST317221A, ST313021A,
ST38410A = 16,383
ST34313A = 8,944
ST317221A, ST313021A,
ST38410A = 16
ST34313A = 15
= none)
H
ST317221A
ST313021A
25
Value
0C5A
H
0000
H
0000
H
0000
H
003F
H
0000
H
ASCII
0000
H
0400
H
0004
H
x.xx
ST38410A
ST34313A
8020
H