Quantum FIREBALL PLUS AS 10.2 User Manual

ATA Bus Interface and ATA Commands
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT 6-51
6.7.13
6.7.136.7.13
6.7.13 Read DMA
Read DMARead DMA
Read DMA
COMMAND CODE – C8h;C9h
DESCRIPTION – The READ DMA command allows the host to write data using
the DMA transfer protocol.
INPUTS
ERROR OUTPUTS
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 C8h;C9
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Error icrc unc na IDNF na ABRT na na
Sector Count na
Sector Number Sector count 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

Quantum FIREBALL PLUS AS 10.2 Specifications

General

Brand	Quantum
Model	FIREBALL PLUS AS 10.2
Category	Storage
Language	English