The default refresh rate for a non plug and play monitor is 43Hz interlaced. The monitor will not display when a non plug and play monitor is connected and it does not support this refresh rate.

Any of the following systems running Microsoft Windows XP or Windows 2000 configured with either a 64MB ATI X300 Pro or a 128MB ATI X600 Pro video adapter:

• ThinkCentre A50 (type 8084, 8085, 8126, 8147, 8148, 8149, 8175, 8176, 8177, 8178)
• ThinkCentre A50p (type 8192, 8193, 8194, 8195, 8196, 8197, 8432, 8433)
• ThinkCentre A51 (type 8424, 8425)
• ThinkCentre A51p (type 8420, 8421, 8422, 8423, 8426, 8427, 8428)
• ThinkCentre M50 (type 8185, 8186, 8187, 8188, 8189, 8190, 8413, 8414, 8415)
• ThinkCentre M51 (type 8141, 8142, 8143, 8144, 8145, 8146)

Update the Microsoft Windows operating system with the proper INF file for the Thin Film Transistor (TFT) monitor.

	ThinkVision Flat Panel LCD monitor support files
	T Series TFT - Flat Panel monitor support files