I am looking for information on how to find some part numbers to my NCR 3400 machine. I need one master slave (3) cables that go to the NCR3400 and the controller box (possible pn: 5300008319) for the tape drive (initialization tape 5 ?? tape). Please let me know if you can help. Laura Ellingson Sales & Marketing Manager Guarantee Business Systems, Inc. 800-650-1457, X429 651-286-8429-Direct 651-688-6160-Fax <mailto:laura at gbsncr.com> laura at gbsncr.com <http://www.gbsncr.com/> www.gbsncr.com GBS is a Woman Owned Small Business & Service Disabled Veteran Owned. We are a POS, Storage, networking hardware solution provider - in the IT industry since 1986.