Battery technology at the time was modest:
The PCG-4G1L was engineered as an executive ultraportable (often called a subnotebook). It balanced weight reduction with a built-in optical drive—a massive engineering feat at the time. 1. Processor and Chipset Intel Pentium M Single-Core (Ultra Low Voltage - ULV) sony vaio pcg-4g1l specifications
Approximately 2.7 lbs (1.24 kg) including the standard battery. Battery technology at the time was modest: The
The Sony Vaio PCG-4G1L has a range of ports and connectors, including: sony vaio pcg-4g1l specifications
Usually 512 MB or 1 GB of DDR2 SDRAM soldered on board, with one SODIMM slot for expansion. Maximum Memory: Up to 2 GB (standard configuration). 4. Storage and Optical Drive