Processor cards with speeds ranging from 750Mhz to 1GHz for Power Mac G4s have been released by PowerLogix.

The PowerForce G4 Series 100 and Series 133 processor-upgrades use the latest technology from Motorola – the G4/7455 Apollo processor.

The Apollo has four integer execution units, one double-precision FPU (Field Processing Unit), and four 128-bit AltiVec execution units. It also has a 256K on-chip L1 cache running at full processor speed. The PowerForce G4 will be available with varying amounts of L3 cache.

Users remove the original processor card and install the PowerForce G4 card in its place.

Compatability The PowerForce G4 Series 100 upgrade cards are compatible with the following Power Mac G4s running at 100 MHz bus: Power Mac G4 ‘AGP Graphics’ 350, 400, 450 MHz; Power Mac G4 Gigabit Ethernet Single 400, Dual 450 or 500 MHz; and PowerMac G4 Cube 450 and 500 MHz.

The PowerForce G4 Series 133 upgrade cards are compatible with Power Mac G4s running a 133 MHz bus; the PowerMac G4 Digital Audio 466, 533, 667, 733 and Dual 533 MHz; the Power Mac G4 QuickSilver 733, 867 and Dual 800 MHz; and the Power Mac G4 QuickSilver 2002, 800, 933 and Dual 1GHz

The PowerForce G4 Series 100 will be available in July, and the PowerForce G4 Series 133 in August. The product will be distributed in the UK by AM Micro, 01392 426 473.

Pricing from around £349 (750MHz) to £549 (1GGHz) (ex-VAT).