G3 Cache Control 1.4.1 (which replaces both G3 Cache Control and G3 Cache Utility) is used to configure the backside cache on all models of PowerForce G3 and PowerForce G3 ZIF. It will also boost the backside cache speed on the following Apple models: PowerMac G3, PowerBook G3, and iMac, however only if the cache SRAMs on those models are capable of a aster speed than stock. Not all machines qualify. This control panel allows you to (1) Configure Size of Level 2 Backside Cache (512K, 1Mb) (2) Configure Backside Cache Ratio (1:1, 1.5:1, 2:1, 2.5:1, 3:1) (3) Enable/Disable Backside Cache on-the-fly. (4) Enable Backside Cache on Restart