ATA Bus Interface and ATA Commands
6-32 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
6.7.4
6.7.4
6.7.4
6.7.4
Read Verify Sectors
Read Verify Sectors
Read Verify Sectors
Read Verify Sectors
COMMAND CODE – 40h
DESCRIPTION – The READ VERIFY sectors executes similarly to the READ
SECTORS command but without ever generating an interrupt (DRQ) so that no
data is transferred to the host.
INPUTS
ERROR OUTPUTS
Register
Register
Register
Register
7
77
7
6
66
6
5
55
5
4
44
4
3
33
3
2
22
2
1
11
1
0
00
0
Features
na
Sector Count
Sector count
Sector Number
Sector Number or LBA
Cylinder Low
Cylinder low or LBA
Cylinder High
Cylinder high or LBA
Device/ Head
obs
LBA
obs
DEV
na
Head Number or LBA
Command
40h
Register
Register
Register
Register
7
77
7
6
66
6
5
55
5
4
44
4
3
33
3
2
22
2
1
11
1
0
00
0
Error
na
UNC
na
IDNF
na
ABRT
na
obs
Sector Count
na
Sector Number
Sector Number or LBA
Cylinder Low
Cylinder low or LBA
Cylinder High
Cylinder high or LBA
Device/ Head
obs
Na
obs
DEV
HEAD number or LBA
Status
BSY
DRDY
DF
na
DRQ
na
na
ERR
Summary of Contents for FIREBALL PLUS AS 10.2
Page 12: ...About This Manual 1 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 16: ...General Description 2 8 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 61: ...Basic Principles of Operation Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT 5 16 ...
Page 62: ...Basic Principles of Operation 5 17 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 162: ...Index I 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...