Shuttle HOT-433 motherboard.

486 25-100 MHz PCI motherboard

Board Design

CPU Function

Cache Design


Green Function

  • Provides Green PC power management
  • Supports SMM function
  • Supports Microsoft APM
  • Provides EPMI pin


  • Supports four banks of local DRAM ranging from 1MB to 256MB.
  • Supports both 32 bit and 36 bit memory. Does not require memory to be in pairs.


  • UMC 8881F/8886AF and 8663AF
  • Supports L1, L2 write back cache
  • Supports PCI master and slaves up to 33 MHz (PCI specification V2.0)
  • Supports PCI burst mode accesses to local memory

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