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XIO2200 PCIE 造成无法开机



将IC丝印为XIO2200A 76AJX4W G1/XIO2200A 76AJX7W G1/XIO2200A 76AJX5W G1不开机

的BGA拆下更换丝印是XIO2200A 32AT3GW G1/84A780W G1的BGA后测试开机正常,功能测

试也OK,不良现象跟着BGA走,确定为此3种丝印的BGA不良。是不是这三种XIO2200A 76AJX4W G1/XIO2200A 76AJX7W G1/XIO2200A 76AJX5W 的IC

有变更?