486-33c “Berlin”

Came as a set with keyboard and C= 1944 monitor.
Keyboard port was not working.

Serial: ?

• Mainboard: Aquarius Systems/BCOM UMC-486A
• BIOS: AMIBIOS American Megatrends
• CPU: Intel 486DX
• Clock Speed: 33MHz
• RAM: 4MB
• Floppies:
  • A:\ 3,5″ 1,44 MB Newtronics D359T3
  • B:\ 5,25″ 1,2MB TEAC FD-550GFR
• Hard Drive: Conner CP-30104H 121 MB
• Tape Drive: Irwin 31250A Accutrak Series PN 28175-100
• Graphics: VGA Western Digital WD90C30-LR GPLAVGA1DC [BIOS]
• Multi I/O controller [FDD, HDD, COM]: Best Com Technology I/O Card BF-1590
• Internal Connectors: 7x ISA 16bit, 1x 32bit Memory
• External Connectors: Keyboard, Mouse, Joystick, LPT1, COM1, COM2, VGA

• work done:
  • completely disassembled and cleaned [including FDDs]
  • slot covers / ISA cards polished and restored to shiny glory
  • internal rusty strut restored
  • corrosion on steel chassis [from battery] removed
  • PSU recapped with Rubycon brand 105° type
  • leaky battery removed, severe damage around keyboard connector, several long traces completely gone
  • missing HDD replaced
  • three missing case screws replaced

• still to do:
  • bleach keyboard case and space bar