| 摘要 |
PROBLEM TO BE SOLVED: To achieve compact configuration, easy mounting of a multi-chip module and easy arrangement of wires for modification for the motherboard reinforcing part, which is used for the mounting of the multi-chip module in a system board device assemble in a large computer device. SOLUTION: A motherboard reinforcing part 60 has a four-corner-frame shaped shape with four frame sides 61-64 and is attached to the part, on which a pin-grid-array type multi-chip module of the motherboard is mounted. The frame sides 61-64 themselves have a heated-fluid introducing port 73 at the upper surface and has a nozzle structure part 72, having a heat-fluid discharging port 76 at the inner surface. At the inside of each corner part, a coupling assigning part 78, which guides the corner part of the multi-chip module to be mounted, is provided. At the lower surface of the frame side, a reinforcing- wire passing groove 77 for passing the reinforcing wire is provided.
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