Seagate ST38421A Product Manual - Page 33

Bit 15: 0 = Ata; 1 = Atapi - firmware

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U4 Family Product Manual, Rev. D Word 0 Description Configuration information: • Bit 15: 0 = ATA; 1 = ATAPI • Bit 7: removable media • Bit 6: removable controller • Bit 0: reserved 1 Number of logical cylinders: ST32112A = 4,192 ST34311A = 8,944 ST36421A = 13,330 ST38421A = 16,368 2 3 4 5 6 7-9 10-19 20 21 22 23-26 ATA-reserved Number of logical heads: ST32112A = 16 ST34311A = 15 ST36421A = 15 ST38421A = 16 Retired Retired Number of logical sectors per logical track: 63 Retired Serial number: (20 ASCII characters, 0000H = none) Retired Retired Obsolete Firmware revision (8 ASCII character string, padded with blanks to end of string) 25 Value 0C5AH 1060H (ST32112A) 22F0H (ST34311A) 3412H (ST36421A) 3FF0H (ST38421A) 0000H 10H (ST32112A) (ST38421A) 0FH (ST34311A) (ST36421A) 0000H 0000H 003FH 0000H ASCII 0000H 0200H 0004H x.xx

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U4 Family Product Manual, Rev. D
25
Word
Description
Value
0
Configuration information:
•
Bit 15: 0 = ATA; 1 = ATAPI
•
Bit 7: removable media
•
Bit 6: removable controller
•
Bit 0: reserved
0C5A
H
1
Number of logical cylinders:
ST32112A = 4,192
ST34311A = 8,944
ST36421A = 13,330
ST38421A = 16,368
1060
H
(ST32112A)
22F0
H
(ST34311A)
3412
H
(ST36421A)
3FF0
H
(ST38421A)
2
ATA-reserved
0000
H
3
Number of logical heads:
ST32112A = 16
ST34311A = 15
ST36421A = 15
ST38421A = 16
10
H
(ST32112A)
(ST38421A)
0F
H
(ST34311A)
(ST36421A)
4
Retired
0000
H
5
Retired
0000
H
6
Number of logical sectors per logical
track: 63
003F
H
7–9
Retired
0000
H
10–19
Serial number: (20 ASCII characters,
0000
H
= none)
ASCII
20
Retired
0000
H
21
Retired
0200
H
22
Obsolete
0004
H
23–26
Firmware revision (8 ASCII character
string, padded with blanks to end of
string)
x.xx