This driver also provides an absolute input class device, allowing
          the laptop to act as a pinball machine-esque joystick.
 
+         If your ThinkPad is not recognized by the driver, please update to latest
+         BIOS. This is especially the case for some R52 ThinkPads.
+
          Say Y here if you have an applicable laptop and want to experience
          the awesome power of hdaps.
 
 
 }
 
 /* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match
-  "ThinkPad T42p", so the order of the entries matters */
+   "ThinkPad T42p", so the order of the entries matters.
+   If your ThinkPad is not recognized, please update to latest
+   BIOS. This is especially the case for some R52 ThinkPads. */
 static struct dmi_system_id __initdata hdaps_whitelist[] = {
-       HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad H"),
        HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
-       HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad H"),       /* R52 (1846AQG) */
        HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"),
        HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
        HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"),