A-TECH 1GB KIT (2 x 512MB) IBM Lenovo ThinkPad T Series T30 Pentium 4-M 2366 2367-xxx T40 Pentium M 2373 2374 2375 2376-xxx 2378 2379-xxx SO-DIMM DDR NON-ECC PC2100 266MHz RAM Memory Genuine Brand 1GB KIT (2 x 512MB) SO-DIMM DDR NON-ECC PC2100 266MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For IBM Lenovo ThinkPad T Series. (See Compatibility List Below)