Vintage IBM PC Convertible 5140 Laptop Working Case Manuals Modem Disks USA
Brand: IBM
Model: PC Convertible portable laptop computer, model 5140, vintage 1980s design.
Country of manufacture: Made in USA.
Includes: IBM PC Convertible 5140 unit with dual 3.5-inch floppy drives, internal IBM 4026 modem with RJ11 phone jack, AC power adapter with detachable cord, phone cable, battery pack, IBM-branded carrying case, and shoulder strap.
Documentation: IBM PC Convertible Guide to Operations spiral-bound manual, Battery User's Guide, warranty and safety pamphlets, and other setup sheets as pictured.
Accessories: IBM Executive Connection wallet with quick-reference cards, three 3.5-inch floppy disks (two sealed in IBM packaging and one with handwritten label "DAVE'S 2nd"), and various small accessories shown in the photos.
Display: integrated monochrome LCD panel designed for use with IBM Application Selector, Calculator 1.03, Notewriter, and other built-in utilities.
Keyboard: full QWERTY layout with function keys F1–F10, arrow keys, numeric symbols, and dedicated Caps Lock, Num Lock, and Scroll Lock keys.
Approximate weight shown on digital scale with case and contents: 21.2 (see photos).
Keywords: vintage IBM laptop, PC Convertible 5140, DOS portable computer, retro computing bundle, made in USA, internal modem, IBM carrying case.
Condition: Vintage IBM PC Convertible 5140 powers on with the included AC adapter, shows IBM application screens, and the keyboard responds. Floppy drives, ports, internal 4026 modem, and battery pack are untested and the battery should be considered spent. Housing and IBM carrying case have light surface scuffs and an inventory sticker on the bag.
