Entry by Carlos S. M.
NIC UNH433L

NIC UNH433L Revision C

Specifications

CPU support

Supported sockets:
  • PGA132
  • Socket 3
Front Side Bus speed: 20/25/33/40/50 MHz
Supported architectures:
  • AMD Am386DX P9
  • AMD Am486 DX P4
  • AMD Am486 DX2 (5V) P24
  • AMD Am486 SX P23
  • Cyrix Cx486DX M6
  • Cyrix Cx486DX2 (5V) M6
  • Intel 80386DX i386
  • Intel i486DX P4
  • Intel i486DX2 P24
  • Intel i486SX P23
  • Intel i487SX P23N
Note! Some steppings might require updated BIOS/microcode to work properly.
Supports external cache up to 256 kB

System memory

  • Type: FPM
    2 memory channels on 8x 30-pin SIMM
Max supported: 32.00 MB

Platform

Northbridge/MCH: Unichip U4800
Southbridge/ICH/PCH/MCP: 82C206F
1 Mbit Parallel BIOS ROM

Power supply

Main board power: AT

Expansion slots

7 16-bit ISA slots

Rear I/O ports

AT-style keyboard DIN connector

Internal I/O headers

Storage

Circuit board

Baby AT form factor
PCB manufactured in the year 1992

Notes

The middle ISA slot provides a proprietary memory or cache expansion.

Gallery

Attachments

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Disclaimer

The info you find here might not be 100% correct. This is due to a couple of reasons:
  • I'm an idiot and I misread/misspelled something
  • I have a different board revision from yours
  • The production date/plant is different and they might have used slightly different components
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