Driver:	TWAIC, Version 4.20.02 March 25, 1994
	Copyright (c) 1990-1994, Emeritus Technologies.
	All rights reserved.

      TapeWare AHA-1510/1520/1522, AIC-6260/6360 controller driver.

      This is an implementation for ADAPTEC AIC-6260/6360 controllers. 

      Date            Mod     Description
      -------------   ---     -----------------------------------------------
      15-Jun-1993     GMM     Begin implementation using TWMNT of 03/22/93
                              for a framework.

      18-Jun-1993     GMM     Fix bus in bus free handling, auto PIO data
                              transfer and odd byte disconnect handling.
                              Update controller initialization.

      21-Jun-1993     GMM     Install some diagnostic stuff to find out why
                              host fifo is getting out of wack.

      25-Jun-1993     GMM     Fix problem with DMA burstmode timing. Remove
                              diagnostic stuff and insert error trap.

      02-Jul-1993     GMM     Correct potential problem with DMA/odd byte
                              disconnects.

      09-Jul-1993     GMM     Add support for PIO data transfer.

      10-Jul-1993     GMM     Improve "unexpected reset" function and speed.

      05-Aug-1993     GMM     Change method of getting initialization
                              parameters (eg. Card jumper settings vs.
                              command line options).

      08-Aug-1993     GMM     Fix problem with iopb use during re-select
 
      13-Aug-1993     GMM     Fix so that spurious interrupts are handled
                              with more aplomb.

	14-Mar-1994	GMM	Add code to operate LED indicator.

	Version 4.20.01 --------> Release 25-Mar-94

