DSP may refer to any of the following:
1. Short for digital signal processor, DSP is a processor that is optimized for performing the complex mathematical calculations inherent in processing digital signals. A discrete DSP integrated in a chipset contains a ROM and cannot be reprogrammed.
2. Short drive secondary present, DSP is an acronym used with early hard drives like the Conner CP30104H to indicate the computer uses dual drives. When configuring the drive jumpers on a computer with dual hard drives, the DSP jumper setting should be used.