| Passive Backplanes |
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A backplane is an electronic circuit board containing circuitry and sockets into which additional electronic devices on other circuit boards or cards can be plugged; in a computer, generally synonymous with or part of the motherboard. A technology where all of the active circuitry that is normally found on an active PC motherboard, such as the CPU, is moved onto a plug-in card. The motherboard itself is replaced with a Passive Backplane that has nothing on it other than connectors and joining, etched-in wires. The chance of a Passive Backplane failing is very low, since it has essentially no functioning componentry. A Passive Backplane has several advantages: You can swap cards in and out faster. You can upgrade your processor and change it faster and easier. A Passive Backplane can support from two to twentry ISA / PCI slots. |