HAM_Tag_Queue_Synch_Asynch (Function 0x06)

Implement function if applicable. Directs the HAM to turn on either tag queuing or SCSI synchronous/asynchronous device negotiation.

Parameters

This function is identified by the following information in the HACB's command area:

function
6
parameter0
Sub-function:

Value

Meaning

0x00000000

Tag Queuing

0x00000001

SCSI-2 Synchronous/Asynchronous Negotiation
parameter1
0 Tag Queuing/SCSI-2 Negotiation off (default)

1 Tag Queuing/SCSI-2 Negotiation on

parameter2
0

Remarks

These requests must be issued on a per device basis, meaning that the CDM provides the correct device handle for the target device. The device handle is placed in the HACB's deviceHandle field.

Device negotiation must adhere to that described in the SCSI-2 Standard, X3.131-1994.