Intel 80486 OverDrive
Intel 80486 OverDrive processors were a category of various Intel 80486s that were produced with the designated purpose of being used to upgrade
personal computers.
An Intel DX4-100MHz OverDrive
with built-in heatsink & voltage regulator.
OverDrives typically possessed qualities different from 'standard' 486s of the same speed steppings. These included built-in voltage regulators, different pin-outs, write-back cache instead of write-through cache, built-in heatsinks, and
fanless operation - features that made them more able to work where an ordinary edition of a particular model would not.
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