ACA Processing

Bill=Galloway%HW=Stor%Sys=Hou at bangate.compaq.com Bill=Galloway%HW=Stor%Sys=Hou at bangate.compaq.com
Tue Mar 21 11:24:19 PST 1995


To:	SCSI reflector

I have a question about ACA.  If a SCSI-3 target detects a parity
error during the command phase and returns check condition status,
how does the target know what ACA processing the initiator requested?
The target cannot rely on the NACA bit in the control field if the parity
error was on that byte or on the opcode byte.

ACA only works if both initiator and target know that ACA is active.
-

Bill Galloway                           P.O. Box 692000
Compaq Computer Corp.                   MS 090504
(713) 374-6732                          Houston, TX 77269-2000

billg at bangate.compaq.com






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