Installation instructions for installing the Encore/ST G4 Duet (with no heatsink) Processor Upgrade Card into a supported Power Mac G4 (AGP Graphics) computer.
All models in the Encore/ST G4 line made today, except for those with a part number that starts with SG4-C, include a pre-attached heat sink. Products with a part number that starts with SG4-C are for use only in Power Mac G4 Cube, and do not include a pre-attached heat sink.