Quantum Audio STT2401A User Manual

Page of 137
ATAPI Interface 
Chapter 5 
Seagate Travan 40 Product Manual 
Page 91 
 
ATA Command Descriptions 
The following ATA commands are supported. 
General Feature Set 
• 
EXECUTE DEVICE DIAGNOSTIC 
• 
IDENTIFY DEVICE   
• 
NOP 
• 
SET FEATURES 
ATAPI Feature Set 
• 
ATAPI ‘DEVICE’ RESET 
• 
IDENTIFY PACKET DEVICE 
• 
PACKET 
Power Management Feature Set 
• 
CHECK POWER MODE 
• 
IDLE 
• 
IDLE IMMEDIATE 
• 
SLEEP 
• 
STANDBY   
• 
STANDBY IMMEDIATE 
Much of this section is taken directly from the ATA-4 specification. Information that is 
not relevant to this device has been omitted. 
 
Opcode (Hex) 
Command 
Ref. page 
00 
NOP 
107 
08 
DEVICE RESET 
94 
90 
EXECUTE DEVICE DIAGNOSTIC 
95 
A0 
PACKET 
108 
A1 
IDENTIFY PACKET DEVICE 
98 
E0 
STANDBY IMMEDIATE 
113 
E1 
IDLE IMMEDIATE 
106 
E2 
STANDBY  
112