摘要 |
An upstream side motherboard 50 having an upstream side system slot 51 and upstream side daughter board mounting slots 52 to 58 and a downstream side motherboard 60 having a downstream side system slot 61 and downstream side daughter board mounting slots 62, 63... are connected together by a bridging board 10. The bridging board 10 has bridge wires that electrically connect a plurality of wiring pins provided i n the upstream side daughter board mounting slots and a plurality of wiring pins provided in the downstream side system slot when an upstream side connector 11 is fitted into one the upstream side daughter board mounting slots and a downstream side connector 12 is fitted into the downstream side system slot 61, and IC switches 13 and 14 that carry out connection changing on prescribed wires out of the bridge wires.
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