Quantum FIREBALL PLUS AS 10.2 User Manual

ATA Bus Interface and ATA Commands
6-30 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
ERROR OUTPUTS
6.7.2
6.7.26.7.2
6.7.2 Read Sectors
Read SectorsRead Sectors
Read Sectors
COMMAND CODE – 20h
DESCRIPTION – The READ sectors command reads from 1 to 256 sectors,
beginning at the specified sector. As specified in the command block register, a
sector count equal to 0 requests 256 sectors. When the drive accepts this command,
it sets BSY and begins execution of the command.
INPUTS
ERROR OUTPUTS
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Error nananananaABRTTK0NFna
Sector Count na
Sector Number na
Cylinder Low na
Cylinder High
Device/ Head obs na obs DEV HEAD number or LBA
Status BSY DRDY na na DRQ na na ERR
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 count 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 20h
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Error na unc na IDNF na ABRT na na
Sector Count na
Sector Number na
Cylinder Low na
Cylinder High
Device/ Head obs na obs DEV HEAD number or LBA
Status BSY DRDY DF na DRQ na na ERR

Quantum FIREBALL PLUS AS 10.2 Specifications

General

Brand	Quantum
Model	FIREBALL PLUS AS 10.2
Category	Storage
Language	English