18yo T21 still running : r/thinkpad
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IBM THINKPAD T21 LAPTOP HARDWARE MAINTENANCE MANUAL | ManualsLib
T21 | IBM Wiki | Fandom
T23 | IBM Wiki | Fandom
256MB (1X256MB) Memory RAM 4 IBM ThinkPad i1800, iS30, T20, T21, T22, X20 B95 | eBay
Vintage IBM ThinkPad T21 laptop, Windows 98 SE, Pentium III, 64MB RAM, 60GB HDDのeBay公認海外通販｜セカイモン
Memory RAM | 128MB - Lenovo ThinkPad T20 / T21 / T22 T-Series - (OEM-# 20L0255, 20L0265) -
IBM Lenovo RAM Memory Replacement Guide Installation Upgrade - T40 T21 T42 T43 T41p T42p - YouTube
Screen less ThinkPad T21 : r/thinkpad
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Memory RAM | 128MB - Lenovo ThinkPad T20 / T21 / T22 T-Series - (OEM-# 20L0255, 20L0265) -
IBM ThinkPad T20 series - Wikipedia
Pc portable windows NT 4.0
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IBM / Lenovo 02K6627 - 10.8V 6-Cell Battery for IBM Thinkpad T20 T21 T22 T23 - CPU Medics
128MB Black Diamond Memory Module for IBM ThinkPad T Series T21 (Type 2647) SDRAM SO-DIMM 144pin PC100 100MHz Upgrade System Specific Memory - Newegg.com
Memory RAM | 256MB - Lenovo ThinkPad T20 / T21 / T22 T-Series - (OEM-# 33L3069, 33L3070) -
IBM ThinkPad T21 LAPTOP PENTIUM III 256MB, 18GB HDD DVD WINDOWS 98 OFFICE 2000 | eBay
IBM Thinkpad T21 - BMSoftware laptops
Vintage IBM Thinkpad T21 Laptop PIII 850MHz 384mb RAM 40GB BIOS LOCKED AS-IS | eBay
256MB RAM Memory for IBM ThinkPad T21 2647-8AU Black Diamond Memory Module SDRAM SO-DIMM 144pin PC100 100MHz Upgrade System Specific Memory - Newegg.com
T21 with slashed screen? : r/thinkpad
18yo T21 still running : r/thinkpad
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Thinkpad 600X: A Retrospective Review - Thinkpads
