用户逻辑应用程序使用和进行配置时以它所占据的最左槽位判断。例如，如果RX3iCPU物理连接器插入到第4槽，这意味着它占用第3,4槽，此时认为CPU放置在第3槽。CPU位置不是以他的连接器连接的槽位来判断位置，而是以整个CPU模块占用的最左侧槽位来定位CPU.机架为12槽时，RX3i CPU可以放在出11槽之外的任何一槽内

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