This message is from the T13 list server.

Actually,

        ATAPI queuing and overlap are defined at the ATA level.  I just
don't think that they are used.  I am not even sure if they are implemented.


------------------------------------------------
Curtis E. Stevens
20511 Lake Forest Dr.  #C 214-D
Lake Forest, Ca. 92630
 
Phone: 949-672-7933
Cell: 949-307-5050
E-Mail: [EMAIL PROTECTED]

 -----Original Message-----
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]  On Behalf Of Jeff
Garzik
Sent:   Monday, September 20, 2004 6:01 PM
To:     Curtis Stevens
Cc:     ATA (E-mail)
Subject:        Re: [t13] ATAPI Command Overlap and Queuing

This message is from the T13 list server.


Curtis Stevens wrote:
> Does anyone know if ATAPI overlap and queuing are used?  If not this 
> would be a good opportunity to obsolete them.

Well, overlap is pointless on SATA :)

Open to debate about queueing...  in theory the user could be using an 
ATAPI->SCSI adapter, with a "real" SCSI disk attached that supports 
queueing.

Unless I'm mistaken, queueing isn't defined for the PACKET command at 
the ATA command set level.

        Jeff





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