Saved some Data I/O manuals from the dumpster when a local firm tech pubs library closed down. Manuals are loose sheet style in original Data I/O 3 ring binders. Except as noted, they are lightly used in very good condition and appear to be complete. 29B Universal Programming System Operator's Manual in the "horizontal" format binder copyright 1985. two available GangPak Manual copyright 1987 one available Unisite Universal Programmer User Manual in "vertical" (standard) format binder. binder in used condition documentation seems intact/complete. Release date appears to be Jun 1995. one available Unisite Universal Programmer User Manual in "vertical" (standard) format binder. binder in good condition documentation seems intact/complete. Release date appears to be Jul 1992. This one has update notes and some misc product lit with it. one available Unisite Universal Programmer User Manual in "vertical" (standard) format binder. binder in used condition and is NOT an original Data I/O binder. documentation seems intact/complete. Release date appears to be Oct 1996. In addition to the basic User Manual, this one has User Notes covering 7 different releases ranging from 5.5 to 6.2. one available Programmable Logic Development System Operators Manual. Binder in standard vertical format in good condition copyright 1986 with User Notes Update dated Nov 1987. one available Unisite-xpi Programming System User Manual (with legacy Unisite Programmers) Binder in standard vertical format in good condition copyright Jun 2001. two available Logic Diagram Package dated Sep 1990. Complete set of Dat I/O logic diagrams for all supported devices as of pub date. Binder in standard vertical format in good condition copyright Sep 1990. one available. Free for Shipping: Individually, any binder will fit a medium flat rate box. Email me off list to claim one. FWIW, these have all been scanned if someone wants a soft copy. steve