You may find more information about CMIP3 here
.
MODELS
IPSL contributed to CMIP3 with the IPSL-CM4 version of the IPSL climate model. For its contributions to CMIP3, the atmosphere of the IPSL-CM4 model has a resolution of 2.5°x3.75° (72x96xL39) and the ocean a resolution of about 2°, with a meridional increased resolution of 0.5° near the Equator (149x182xL31).
DATA ACCESS
Data can be accessed at PCMDI