the base system is a 256MB (u can find my model on IBM Shop Online). I added a 512MB RAM to the system, to booast performance.
My IBM Thinkpad T42 Specifications:
CPU: 1.6GHZ Centrino, 1MB L2 Cache
RAM: 768MB DDR266
Video Card: ATI Radeon 32MB DDR
LCD: 14.4" XGA
Hard Disk: 40GB (with Active Protection System)
Optical Drive: DVD/CDRW Combo Drive (integrated)
Network: Gigabit LAN
Modem: V92 56K Modem
Wi-Fi: IBM 802.11b/g
PCMCIA: 2 Slots
Ports: 2 X USB 2.0, 1 X Parallel, 1 X VGA
Dimension: B4-size, 2cm thick, 2kg