ATA Bus Interface and ATA Commands
Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 6-3
The drives support the Multiword DMA protocol.
The drives support the Ultra DMA feature set for the following commands:
• READ DMA
• WRITE DMA
The drives support the following commands from the optional Power Management
feature set:
• CHECK POWER MODE
• IDLE
• IDLE IMMEDIATE
• SLEEP
• STANDBY
• STANDBY IMMEDIATE