One of the rarest ThinkPads is the ThinkPad PowerSeries 820, running a Power PC 603e at 100 MHz. It’s code name is Wiltwick, the type designator (used in Windows) is 6040. It uses an 800x600 TFT, WD90C24A/G10 graphics and has a 1.2 GB SCSI HDD. 48 MiB RAM is the maximum configuration.
