IBM PS/2 Model 25 All-in-One Computer Vintage 512KB RAM Beige Type 8525

IBM Personal System/2 Model 25 vintage all-in-one computer features an integrated monochrome monitor and a 3.5-inch floppy disk drive. This classic 8525 type unit powers on to a "301-Keyboard Error" screen, indicating it recognizes the missing keyboard and is attempting to boot. The beige casing shows typical age-related wear and minor scuffing, while the screen remains clear with adjustable brightness and contrast controls located on the front panel. A CMS expansion or branding sticker is present on the lower front bezel, and the original coiled power/keyboard cable is included. This piece of computing history is ideal for collectors or restoration enthusiasts looking for a compact PS/2 system. Brand: IBM Model: PS/2 Model 25 (Type 8525) Processor: Intel 8086 (Inferred) Memory: 512KB RAM (Verified on screen) Display: Integrated Monochrome CRT Drive: 3.5" Floppy Disk Drive Form Factor: All-in-One Input: Coiled Keyboard Cable Included Voltage: 100-120/200-240V Switchable Country of Manufacture: USA Serial Number: 88-B4100 Keywords: Vintage Computer, Retro Computing, IBM PS2, Model 25, 8086 PC, All In One, CRT Monitor, Floppy Drive, Tech Collectible, 1980s Tech, Computing History, Rare PC, IBM 8525, CMS Computer, Monochrome Screen