HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
        HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61"),
        HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
        HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"),
        HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p"),
        HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X41"),
        HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m"),
+       HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p"),
        { .ident = NULL }
 };