Description:
This is a rare opportunity to acquire an original, factory sealed copy of Professional PC Diagnostics by Landmark — one of the most respected PC service diagnostic tools from the late 1980s/early 1990s. Still in its original shrink wrap, this package is exceptionally hard to find sealed and is highly desirable for collectors and retro computing enthusiasts.
Item Details:
• Brand: Landmark
• Product: Professional PC Diagnostics
• Edition: XT/AT ROM Combo (see spine label & serial)
• Serial Number: 0136423A1
• Format: Boxed software with diagnostic utilities
• Features include:
• CPU & Motherboard Tests
• Award-winning Memory Tests
• Video Adapter & Monitor Tests
• Hard Drive Tests & Utilities
• Serial, Parallel & Printer Tests
• Keyboard Tests
• Jumpstart™ ROM POST modules
• Loopback Plugs (listed on box contents)
• PC Magazine Editor’s Choice Award, 1990
• Condition: Brand New / Factory Sealed (plastic wrap intact with light shelf wear at corners)
Why It’s Special:
• Rare sealed package, seldom seen on the market
• Professional-grade diagnostics for IBM PC, XT, AT era systems
• Collectible retro software with historical significance
Shipping:
• Ships fast, well protected in a sturdy box
• International buyers welcome ( International Shipping available)
• Note: Due to sealed status, returns not accepted if opened
Item Specifics
• Brand: Landmark
• Type: Diagnostic Software / Utilities
• Platform: IBM PC, XT, AT
• Format: Floppy Disk (boxed software package with ROMs & utilities — unopened/sealed)
• Model: Professional PC Diagnostics XT/AT ROM Combo
• Release Year: 1990
• Country/Region of Manufacture: United States (box printed in USA; ROM label states Hong Kong assembly if noted)
• Condition: Brand New (Factory Sealed)
• Language: English
• Features: Diagnostic Utilities, Hardware Testing, ROM POST, Loopback Plugs
• License Category: Standard (perpetual, original boxed product)
• Custom Bundle: No
• Modified Item: No
