Check the listing for details. IBM DOS 2.10 Technical Reference Manual Binder Advanced Diagnostics Floppy Disks. Made in United States. Listed at 20.99 USD. This listing is for a vintage IBM PC technical documentation and utility disk bundle. Includes: • IBM DOS Technical Reference Manual: A comprehensive technical guide by Microsoft Corp. covering DOS 2.10 system interrupts, function calls, and device drivers. This is a high-quality physical reference copy housed in an Accopress binder. • Two Dysan 5.25" Floppy Disks: Hand-labeled "IBM Advanced Diagnostics 2.02" and "IBM DOS Supplemental Programs". These are period-correct working copies (untested). This set is an essential resource for vintage IBM 5150 or 5160 owners who need both the technical documentation and the diagnostic software to maintain their systems. Please see photos for the specific chapters and disk labels included.