Boxed Samsung M470L3224DT0-CB0 256MB DDR PC2100 PC2100S-25330-A0 CL2.5 SODIMM 20.
Upgraded the laptop with larger memory some time ago, so I kept these stored. As far as I know, in perfect working order.
Memory manual: https://html.alldatasheet.com/html-pdf/146111/SAMSUNG/M470L3224DT0-CB0/1848/6/M470L3224DT0-CB0.html