![background image](http://html1.mh-extra.com/html/quantum/fireball-plus-as-10-2/fireball-plus-as-10-2_product-manual_3894110110.webp)
ATA Bus Interface and ATA Commands
6-48 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
PREREQUISITES - DRDY set equal to one. SMART enabled.
DESCRIPTION - Upon issuing of the SMART command sub-code D4 the drive will
begin an off-line testing. Any ECC correctable errors encountered during the off-line
testing of the drive are counted, and upon completion the attribute list is updated
accordingly.
Shown
below are the off-line data collection status byte values.
6.7.10
6.7.10
6.7.10
6.7.10
Read Multiple Sectors
Read Multiple Sectors
Read Multiple Sectors
Read Multiple Sectors
COMMAND CODE – C4h
DESCRIPTION – The READ MULTIPLE sectors execute similar to the READ
SECTORS command without generating an interrupt (DRQ) on every sector read.
DRQ is only required at the start of the data block. The data block length in sectors
is defined in the SET MULTIPLE command. READ MULTIPLE is only valid when
the READ MULTIPLE commands are enabled.
INPUTS
Value
Value
Value
Value
Definition
Definition
Definition
Definition
00h or 80h
Off-line data collection was never started
02h or 82h
Off-line data collection was completed without error
04h or 84h
Off-line data collection was suspended by an interrupting
command from the host
05h or 85h
Off-line data collection was aborted by an interrupting
command from the host
06h or 86h
Off-line data collection activity was aborted by the device
with a fatal error
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
C4h
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 ...