I have that laptop for rent that emulates the 1551 tool.  That way you can
set your CO and timing (you need this tool to do this properly).  I am
renting it for $75 for a 10 day rental.  Let me know if you are interested.

Thanks,
Ken Wilford
John 3:16
www.vanagain.com
Phone: (856)-765-1583
Fax: (856)-327-2242