| 摘要 |
A heat sink back plate module suitable for fixing a heat sink on a heat source disposed on a motherboard is provided. A plurality of positioning holes is disposed around the heat source. The heat sink back plate module includes a plate body and a plurality of guideposts. The plate body having a plurality of locking holes is disposed under the motherboard. An internal thread is disposed in each locking hole. A portion of the locking holes are aligned to the positioning holes on the motherboard. The guideposts are assembled in the locking holes corresponding to the positioning holes. Each of the guideposts has an external thread disposed at one end. The external thread of the guidepost is locked in the internal thread of the locking hole corresponding to the positioning holes.
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