Vintage 386DX-40 Computer – Math Coprocessor, 4MB RAM, Win3.1 -TESTED & WORKING

A classic vintage 386DX-40 desktop computer, ideal for vintage computing enthusiasts, collectors, retro PC gaming, or anyone looking to experience the early days of DOS and Windows computing!

This system has been tested and successfully boots into a fresh installation of MS-DOS 6.22 and Microsoft Windows 3.1 from its SD card storage, made possible by a IDE-to-SD card adapter. It has no IDE hard drive.

It features an AMD 386DX-40 processor with a math coprocessor installed, 4MB of RAM, and both an ISA IDE controller card and an ISA VGA graphics card.

Specifications & Included Hardware

• Processor: AMD Am386DX-40 (40MHz)

• Math Coprocessor: ULSI Dx/DLC 40MHz math coprocessor

• Memory: 4MB RAM

• Storage:2GB SD card configured as a hard drive, using a new SD-to-IDE converter

• Operating System: Fresh installation of MS-DOS 6.22

• Windows: Microsoft Windows 3.1 installed

• IDE Controller:6624UG ISA Multi-I/O controller using a UMC UM82C862F chipset

• Graphics:Tseng Labs ET4000AX 16-bit ISA VGA card with 1 MB of video RAM

• Motherboard: Micro Q, PCB UMC UM82C491F

• BIOS: AMI 386X BIOS PLUS

Physical Appearance

• Classic beige vintage desktop computer case

• Power button, Reset button, Power LED & H.D.D. drive LED all work great! (turbo button not hooked up)

• Missing one of the 3.5\" panel covers

• Original-style front panel with power/activity LEDs

• Authentic early-1990s desktop styling

• 5 full-Size, 16-but ISA expansion slots and 1 half-size ISA expansion slot

Important Notes / Disclosures

• No floppy disk drive is installed.

• The original CMOS battery was removed due to corrosion. The computer currently operates without a CMOS battery.

• BIOS settings may need to be reconfigured after power is disconnected.

• This is vintage hardware, and buyers should expect normal signs of age and use.

• Please review all photos carefully for physical condition and included components.

What Is Included

• Vintage 386DX-40 desktop computer

• AMD 386DX-40 processor

• Installed math coprocessor

• 4MB RAM

• ISA IDE controller card

• ISA VGA graphics card

• SD card with MS-DOS 6.22 and Windows 3.1 installed

A great opportunity to own a working piece of early PC computing history!