ASIPP (single in-line pin package) orSIP (single in-line package)[1] was a short-lived variant of the 30-pinSIMMrandom-access memory.
It consisted of a smallprinted circuit board upon which were mounted a number of memory chips. It had 30 pins along one edge which mated with matching holes in themotherboard of the computer.
This type of memory was used in some80286 and80386 (80386SX) systems. It was soon replaced by SIMMs usingedge connectors, which proved to be more economical and durable.
30-pin SIPP modules were pin compatible with 30-pin SIMM modules explaining why some SIPP modules were in fact SIMM modules with pins soldered onto the connectors.
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