486DX-33 | 525795

486DX-33

Serial: 525795

  • Mainboard: DTK PKM-3363Y [from stason.org]
  • BIOS: AMIBIOS American Megatrends
  • CPU: Intel 486DX
  • Clock Speed: 33MHz
  • RAM: 640 KB base + 3072 KB extended
  • Floppy: 3,5″ 1,44 MB Chinon FZ-357
  • Hard Drive: Seagate 31276A [Type 47: 2482 Cyl, 16 heads, 63 sectors = 1.222 MB, 504 MB usable]
  • Internal Connectors: 5x ISA 16bit [riser board], FDD and IDE
  • Graphics: VGA onboard
  • External Connectors: Keyboard, Mouse, Parallel, COM1, COM2, VGA
  • Ethernet ISA card: UM9001L [E2000 A-1]
  • work performed:
    • completely disassembled and cleaned [including FDD]
    • rusted metal chassis derusted
    • corroded rear mainboard connectors, ethernet card and slot covers restored to shiny glory
    • rusty spots on the back re-painted
    • missing PSU [recapped with Rubycon brand 105° type] added [power switch at the back installed like it was with the original PSU]
    • missing HDD and cable added
    • Ethernet card recapped
    • MS-DOS 6.22 installed
  • notes:
    • CMOS battery depleted. Load setup auto power-on defaults in BIOS, then enter HDD, FDD and date/time after every reset
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