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> TERMINAL SIZE ERROR
> INSUFFICIENT COLUMN WIDTH
>
> Are you seriously trying to view
> this site on a phone? In 2026?
>
> This site was built for 80 columns.
> Your device has the screen real
> estate of a postage stamp.
>
> Go find a real computer.
> Preferably one that weighs at
> least 10lbs and has a CRT.
>
> NO CARRIER

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Compaq Portable 486c

Compaq Portable 486cBBS login on Compaq 486cWolfenstein 3D runningSide view with expansion portsRear ports closeupCompaq Portable 486c badgeRear vents and floppy driveMSD system info -- multimediaMSD system info -- memory

Screen Replacement

Adapter boardDOS boot testVGA graphics mode testDelay circuit on breadboardDOOM runningVideo card modificationsInternals overviewRC delay schematic74AS02 wiring diagramCircuit closeupVideo card installed

CPU Upgrade

Original IBM Blue Lightning DX2AMD Am5x86-P75 ADZAMD Am5x86-P75 ADWAm5x86 installedCHKCPU showing AMD Am5x86 at 134 MHz

PSU Rebuild

PSU board recapped12V rail test5V rail testPSU reassembled

Sound Blaster AWE32

AWE32 installed

Keyboard Restoration

Keyboard disassembled during restorationKeyboard restored with retrobrighted keycaps

ESP32 WiFi Modem

Enhanced Options Slot on system I/O boardPrototype board in options slot50-pin connector closeupConnector side profileConnector slot on system I/O board

GRiDCASE 1520

GRiD splash screen on plasma displayGRiDCASE 1520 closedBIOS POST on plasma displayWiModem232 Pro on serial portGotek floppy emulator closeupRogue running on plasma displayRAM SIMMsRibbon cables inside chassis

RTC Replacement

Motherboard with potted Dallas RTCDonor motherboard with separate RTC batteryNew RTC battery installed

Custom BIOS

Original BIOS ROM chips -- EVEN and ODD

CF-IDE Adapter

Original Conner hard driveOriginal hard drive openedBroken pin on HDD connectorFloppy/HDD backplane connectorStarTech CF-IDE adapter installed

Gotek Floppy Replacement

Gotek floppy emulator with CF-IDE

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