ATA Bus Interface and ATA Commands
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT 6-65
Table 6-24
Table 6-24 Table 6-24
Table 6-24 Identify Drive Parameters
WORDS
WORDSWORDS
WORDS
1
11
1
PARAMETER DESCRIPTION
PARAMETER DESCRIPTIONPARAMETER DESCRIPTION
PARAMETER DESCRIPTION
(Statements below are true if the bit is set to 1)
(Statements below are true if the bit is set to 1)(Statements below are true if the bit is set to 1)
(Statements below are true if the bit is set to 1)
WORD
WORDWORD
WORD BIT
BITBIT
BIT
BIT
BITBIT
BIT
VALUE
VALUEVALUE
VALUE
0 15 0 0 = ATA device
14 0 Retired
13 0
12 0
11 0
10 1
90
80
701 = Removable media
6 1 1 = Not removable controller and/or device
50Retired
41
31
20
11
00Reserved
1 10.2AT = 16,383
20.5AT = 16,383
30.0AT = 16,383
40.0AT = 16,383
60.0AT = 16,383
Default logical cylinders
20Reserved
3 10.2AT = 16
20.5AT = 16
30.0AT = 16
40.0AT = 16
60.0AT = 16
Default number of logical heads
4 Zone dependent Retired
5N/ARetired
6 63 Default number of logical sectors per track
7–9 5154h Retired
10–19 Serial number (20 ASCII characters)
2
20 3 Buffer type