Lap On The Side N. (also Called A Sidecar, Or Abbreviated `SOTS'.

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slap on the side n.

(also called a sidecar, or
abbreviated `SOTS'.) A type of external expansion hardware
marketed by computer manufacturers (e.g., Commodore for the Amiga
500/1000 series and IBM for the hideous failure called `PCjr').
Various SOTS boxes provided necessities such as memory, hard drive
controllers, and conventional expansion slots.

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