Pat, 
	Due to the extreme difficulty in locating these parts, I have advised
purchasing (Mary) to go ahead and order 55ns parts from Motorola (MCM6164C-55)
at high cost to us (over 6 dollars).  Between Mary and myself, we have contacted
over 20 manufacturers or their representatives with the result that there is no
chance to obtain 80 or 85ns parts in time for Vindicator production.  If you 
have any objections to using 55ns parts, please let us know immediately.
	There seems to be three reasons that 80ns is not available:
		1. The manufacturer does not make slower than 55ns,
		2. The manufacturer does not make faster than 100ns,
		3. The manufacturer will not be producing speeds in the
		   70 to 85ns range until many weeks or months from now.

					erwin

This message from Erwin indicates the severity of the RAM chip shortage in 
the industry at present. First, 2Kx8 slow (100-150nS) have been obsoleted 
by most manufacturers. Now we can't get 8Kx8 at the right speed. This 
problem is going to add $12-$14 to the cost of the board.

							Pat.