256MB RAM Memory for IBM ThinkPad T20 2647-64U Black Diamond Memory Module SDRAM SO-DIMM 144pin PC100 100MHz Upgrade System Specific Memory - Newegg.com
PKPOWER AC Adapter Charger for IBM ThinkPad 2374 2647 600 600E A21e A31p R51e X22 X32 - Walmart.com
IBM ThinkPad Type 2647 T21 - YouTube
128MB Pc133 for Thinkpad 26562652 2653 X22 2662 T23 2647 at Amazon.com
IBM ThinkPad T21 (2647-87U) | kishy.ca
256MB Memory for IBM ThinkPad T21 2647-4AU PC100 SDRAM 144 pin SO-DIMM Laptop Notebook RAM (PARTS-QUICK Brand) at Amazon.com
IBM ThinkPad T30 Hard Drive Replacement - iFixit Repair Guide