Quantum FIREBALL PLUS AS 10.2 User Manual

ATA Bus Interface and ATA Commands
6-38 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
Sector Count register will indicate no data is to transferred. This allows transfer
sizes from 0 bytes to 33, 553, 920 bytes in 512 byte increments.
The Features register will be used to determine the effect of the DOWNLOAD
MICROCODE sub command. The values for the Feature Register are:
01h — download is for immediate, temporary use
07h — save downloaded code for immediate and future use.
Either or both values may be supported. All other values are reserved.
6.7.9
6.7.96.7.9
6.7.9 SMART
SMARTSMART
SMART
SMART DISABLE OPERATIONS
COMMAND CODE - B0h
TYPE - Optional - SMART Feature set. If the SMART feature set is implemented,
this command shall be implemented.
PROTOCOL - Non-data command
INPUTS - The Features register shall be set to D9h. The Cylinder Low register shall
be set to 4Fh. The Cylinder High register shall be set to C2h.
NORMAL OUTPUTS - None
ERROR OUTPUTS - If the device does not support this command, if SMART is not
enabled or if the values in the Features, Cylinder Low or Cylinder High registers are
invalid, an Aborted command error is posted.
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Features D9h
Sector Count
Sector Number
Cylinder Low 4Fh
Cylinder High C2h
Device/Head 1 1 D
Command B0h
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Error nananananaABRTnana
Sector Count na
Sector Number na
Cylinder Low na
Cylinder High na
Device/Head obs na obs DEV
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