Seagate ST380023AS Manual download pdf (Page 41)

Barracuda Serial ATA V Product Manual, Rev. B 31

Table 8: Drive-specific commands

Word Description Value

Configuration information:

• Bit 15: 0 = ATA; 1 = ATAPI

• Bit 7: removable media

• Bit 6: removable controller

• Bit 0: reserved

0C5A

1 Number of logical cylinders 16,383

2 ATA-reserved 0000

3 Number of logical heads 16

4 Retired 0000

5 Retired 0000

6 Number of logical sectors per logical track:

003F

7–9 Retired 0000

10–19 Serial number: (20 ASCII characters, 0000

= none)

ASCII

20 Retired 0000

21 Retired 0400

22 Obsolete 0000

23–26 Firmware revision (8 ASCII character string,

padded with blanks to end of string)

x.xx

27–46 Drive model number: (40 ASCII characters,

padded with blanks to end of string)

ST3120023AS

ST380023AS

ST360015AS

47 (Bits 7–0) Maximum sectors per interrupt on

Read multiple and Write multiple (16) 8010

48 Reserved 0000

49 Standard Standby timer, IORDY supported

and may be disabled

2F00

50 ATA-reserved 0000

51 PIO data-transfer cycle timing mode 0200

52 Retired 0200

53 Words 54–58, 64–70 and 88 are valid 0007

54 Number of current logical cylinders xxxx

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 61 62

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Seagate ST380023AS Manual Page 41