What does the In-line in SIMM and DIMM memory mean?

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SIMM 32M 60ns 144 Pats Slot Manufactured: M-SYSTEMS

Slot Industrial Motherboard CPU+RAM Motherboard Specification Model Number: SSC-5X86HVGA REV: RAM Size: 32MB RAM Type: SIMM 72Pin DRAM Motherboard In SIMM, Pins present in either facet are connected DIMM pins are freelance 2 SIMM supports 32 bit channel for data transferring DIMM

bonanza donut xmas slot I put four 1MB 30-pin SIMMS in to a device called a SimmVerter, and plugged this in to one 72-pin SIMM slot on a mobo, and it worked I then If your PC is running, it's operating on a single Memory module, and will blue screen when it tries to use whatever is in the other slot I