Seagate ST3120020A Product Manual page 39

U7 Product Manual, Rev. D
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
H
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 charac-
ters, padded with blanks to end of string)
47 (Bits 7–0) Maximum sectors per interrupt
on Read multiple and Write multiple (16)
48 Reserved
49 Standard Standby timer, IORDY sup-
ported and may be disabled
50 ATA-reserved
51 PIO data-transfer cycle timing mode
= none)
Value
0C5A
H
16,383
0000
H
16
0000
H
0000
H
003F
H
0000
H
ASCII
0000
H
0400
H
0000
H
x.xx
ST3120020A
ST380022A
ST360012A
ST340012A
ST330012A
8010
H
0000
H
2F00
H
0000
H
0200
H
29