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Compaq Deskpro 386s/20

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The Compaq Deskpro 386s/20 is a PC compatible desktop based on the intel 80386 SX processor. It was introduced as a mid-level model for around $3500-4500 and was produced until sometime in 1992.

Technical Details

The Compaq Deskpro 386s/20 was a 20 MHz update on the original 386s, which was 16MHz originally. The main QOL improvement, besides the 9MHz faster clock-speed, is the addition of on-motherboard 72 pin Fast Page SIMM memory rather than relying on the then aging propreitary memory card format introduced with the original Deskpro 386 in 1986.


  • Intel 80386 SX-20 CPU
  • Up to 16MB of RAM on 3x 72-pin SIMMS
  • 20Mhz Intel 80387 SX math co-processor (optional)
  • Dallas RTC
  • Choice of 1.44MB 3.5", 1.2MB 5.25", or both Slimline floppy drives
  • Hard Disk Drives ranging from 80MB to 320MB (IDE)
  • Compaq VGA Graphics
  • Internal Speaker Sound

A nifty feature on this machine, common to a lot of Compaq machines at the time, is the inclusion of keyboard clicks from the internal speaker using the CTRL+ALT with the Plus or Minus key on the numeric keypad to turn the clicker volume up or down.

See Also