Interface

Bit 6:

'1' = Enables the read cache function. From the SET FEATURES

 

 

command

Bit 5:

'1' = Enables the write cache function.

Bit 4:

'1' = Enables the P PACKET command set.

Bit 3:

'1' = Supports the Power Management function.

Bit 2:

'1' = Supports the Removable Media function.

Bit 1:

'1' = From the SECURITY SET PASSWORD command

Bit 0:

'1' = From the SMART ENABLE OPERATION command

*20 WORD 86

 

 

Bit 15:

'1' = The values in WORD119-120 are valid.

Bit 14:

Reserved

Bits 13-10:

Same definition as WORD 83.

Bit 9:

'1' = Enables the Automatic Acoustic Management function from

 

 

the SET FEATURES command

Bit 8:

'1' = From the SET MAX SET PASSWORD command

Bits 7-6:

Same definition as WORD 83.

Bit 5:

'1' = Enables the Power-Up In Standby function.

Bit 4:

'1' = Enables the Removable Media Status Notification function.

Bit 3:

'1' = Enables the Advanced Power Management function.

Bits 2-0:

Same definition as WORD 83.

*21 WORD 87

 

 

Bit 15:

= 0

The device always returns the fixed value indicated on the left.

Bit 14:

= 1

The device always returns the fixed value indicated on the left.

Bits 13-0:

Same definition as WORD 84.

*22 WORD 88

 

 

Bit 15-8:

Currently used Ultra DMA transfer mode

Bit 14:

'1' = Mode 6 is selected.

Bit 13:

'1' = Mode 5 is selected.

Bit 12:

'1' = Mode 4 is selected.

Bit 11:

'1' = Mode 3 is selected.

5-114

C141-E280