OFFTEK 256MB Replacement Memory RAM Upgrade for Toshiba Libretto U100/190NLB (PC2700) Laptop Memory at Amazon.com
Toshiba's Libretto W100: Interesting concept but questions abound | ZDNET
Converting a Toshiba Libretto 50CT to solid state - notANON
LGR on Twitter: "Check out this lovely little thing just in from Japan. Libretto 50CT! There's an English version of Windows 98 installed by the seller, gotta get that back to stock