Intel 440DX

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Revision as of 17:03, 13 November 2018 by Bugmenot2 (Talk | contribs) (Added the datasheet for this northbridge.)

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Intel 82443DX

This is an Intel northbridge.


  • Supports the following processors:
  • Supports the following memory modules, up to a maximum of 768 MB:
    • PC-133 (will be limited to PC-66 speeds)
    • PC-100 (will be limited to PC-66 speeds)
    • PC-66
  • Front Side Bus (FSB): 66 MHz

  1. The 82443DX is incapable of addressing more than 256MB on a single RAM module, which causes the 240 to max out at 320MB.

Linux support

This chipset is supported by recent 2.4 and 2.6 kernels



This chip may be found in