IBM DTCA-24090 Hard Drive Specifications - Page 183

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14.0 Appendix 14.1 Commands Support Coverage Following table is provided to facilitate the understanding of DTCA-2xxxx command support coverage comparing to the ATA-3 defined command set. The column of 'Implementation' shows the capability of DTCA-2xxxx for those commands. Command Command Code Name Implementation ATA 3 Categoly for DTCA 2XXXX 00h 01h 0Fh 1xh 20h 21h 22h 23h 24h 2Fh 30h 31h 32h 33h 34h 3Bh 3Ch 3Dh 3Fh 40h 41h 42h 4Fh 50h 51h 5Fh 60h 6Fh 7xh 8xh 90h 91h 92h 93h 94h,E0h 95h,E1h 96h,E2h 97h,E3h 98h,E5h 99h,E6h 9Ah 9Bh 9Fh A0h AFh NOP No Optional Reserved Reserved Reserved RECALIBRATE Yes Optional READ SECTOR(S) (w/ retry) Yes Mandatory READ SECTOR(S) (w/o retry) Yes Mandatory READ LONG (w/ retry) Yes Optional READ LONG (w/o retry) Yes Optional Reserved Reserved Reserved WRITE SECTOR(S) (w/ retry) Yes Mandatory WRITE SECTOR(S) (w/o retry) Yes Mandatory WRITE LONG (w/ retry) Yes Optional WRITE LONG (w/o retry) Yes Optional Reserved Reserved Reserved WRITE VERIFY (2) Vendor specefic Optional Reserved Reserved Reserved READ VERIFY SECTOR(S) (w/ retry) Yes Mandatory READ VERIFY SECTOR(S) (w/o retry) Yes Mandatory Reserved Reserved Reserved FORMAT TRACK Yes Vendor specific Reserved Reserved Reserved Reserved Reserved Reserved SEEK Yes Mandatory Vendor specific Reserved Vendor specific EXECUTE DEVICE DIAGNOSTIC Yes Mandatory INITIALIZE DEVICE PARAMETERS Yes Mandatory DOWNLOAD MICROCODE No Optional Reserved Reserved Reserved STANDBY IMMEDIATE (1) Yes Optional (4) IDLE IMMEDIATE (1) Yes Optional (4) STANDBY (1) Yes Optional (4) IDLE (1) Yes Optional (4) CHECK POWER MODE (1) Yes Optional (4) SLEEP (1) Yes Optional (4) Vendor specific Reserved Vendor specific Reserved Reserved Reserved Reserved Reserved Reserved Figure 110. Command coverage © Copyright IBM Corp. 1997 175

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14.0 Appendix
14.1
Commands Support Coverage
Following table is provided to facilitate the understanding of DTCA-2xxxx command support coverage com-
paring to
the ATA-3
defined command
set. The
column
of 'Implementation'
shows the capability
of
DTCA-2xxxx for those commands.
Command
Command
Implementation
ATA 3 Categoly
Code
Name
for DTCA 2XXXX
00h
NOP
No
Optional
01h 0Fh
Reserved
Reserved
Reserved
1xh
RECALIBRATE
Yes
Optional
20h
READ SECTOR(S)
(w/ retry)
Yes
Mandatory
21h
READ SECTOR(S)
(w/o retry) Yes
Mandatory
22h
READ LONG
(w/ retry)
Yes
Optional
23h
READ LONG
(w/o retry) Yes
Optional
24h 2Fh
Reserved
Reserved
Reserved
30h
WRITE SECTOR(S)
(w/ retry)
Yes
Mandatory
31h
WRITE SECTOR(S)
(w/o retry) Yes
Mandatory
32h
WRITE LONG
(w/ retry)
Yes
Optional
33h
WRITE LONG
(w/o retry) Yes
Optional
34h 3Bh
Reserved
Reserved
Reserved
3Ch
WRITE VERIFY (2)
Vendor specefic Optional
3Dh 3Fh
Reserved
Reserved
Reserved
40h
READ VERIFY SECTOR(S) (w/ retry)
Yes
Mandatory
41h
READ VERIFY SECTOR(S) (w/o retry) Yes
Mandatory
42h 4Fh
Reserved
Reserved
Reserved
50h
FORMAT TRACK
Yes
Vendor specific
51h 5Fh
Reserved
Reserved
Reserved
60h 6Fh
Reserved
Reserved
Reserved
7xh
SEEK
Yes
Mandatory
8xh
Vendor specific
Reserved
Vendor specific
90h
EXECUTE DEVICE DIAGNOSTIC
Yes
Mandatory
91h
INITIALIZE DEVICE PARAMETERS
Yes
Mandatory
92h
DOWNLOAD MICROCODE
No
Optional
93h
Reserved
Reserved
Reserved
94h,E0h
STANDBY IMMEDIATE (1)
Yes
Optional (4)
95h,E1h
IDLE IMMEDIATE (1)
Yes
Optional (4)
96h,E2h
STANDBY (1)
Yes
Optional (4)
97h,E3h
IDLE (1)
Yes
Optional (4)
98h,E5h
CHECK POWER MODE (1)
Yes
Optional (4)
99h,E6h
SLEEP (1)
Yes
Optional (4)
9Ah
Vendor specific
Reserved
Vendor specific
9Bh 9Fh
Reserved
Reserved
Reserved
A0h AFh
Reserved
Reserved
Reserved
Figure 110. Command coverage
Copyright IBM Corp. 1997
175