Quantum FIREBALL PLUS AS 10.2 User Manual

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
6.7.106.7.10
6.7.10 Read Multiple Sectors
Read Multiple SectorsRead 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
ValueValue
Value Definition
DefinitionDefinition
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
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
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

Quantum FIREBALL PLUS AS 10.2 Specifications

General

Brand	Quantum
Model	FIREBALL PLUS AS 10.2
Category	Storage
Language	English