The 1GB DDR 266 MHz SO-DIMM Memory Module (Mac) from OWC / Other World Computing is designed for select PowerBook G4, iBook G4, and iMac models, and is also compatible with certain Intel/AMD process-based PC laptops. This module meets or exceeds Apple's specifications, is fully compliant with JEDEC specifications (document JESD79-3B), and has a CAS latency of 2.5.
iBook G4: 14" (April 2004), 14" (October 2003), 12" (April 2004), 12" (October 2003)
iMac G4: 17" (1 GHz)
Select Intel/AMD process-based PC Laptops
Also supports PC-2100 CAS 2.0