he Apple Power Macintosh G4/867 DP (Mirrored Drive Doors) features dual 867 MHz PowerPC 7455 (G4) processors each with the AltiVec “Velocity Engine” vector processing unit, 256k “on chip” level 2 cache, and 1 MB of DDR SRAM level 3 … Continue reading →

The Apple Power Macintosh G4/1.0 DP (Mirrored Drive Doors) features dual 1.0 GHz PowerPC 7455 (G4) processors each with the AltiVec “Velocity Engine” vector processing unit, 256k “on chip” level 2 cache, and 1 MB of DDR SRAM level 3 … Continue reading →

The Apple Power Macintosh G4/1.25 DP (Mirrored Drive Doors) features dual 1.25 GHz PowerPC 7455 (G4) processors each with the AltiVec “Velocity Engine” vector processing unit, 256k “on chip” level 2 cache, and 2 MB of DDR SRAM level 3 … Continue reading →

The Apple Power Macintosh G4/1.42 DP (Firewire 800) features dual 1.42 GHz PowerPC 7455 (G4) processors each with the AltiVec “Velocity Engine” vector processing unit, 256k “on chip” level 2 cache, and 2 MB of DDR SRAM level 3 backside … Continue reading →

The Apple Power Macintosh G4/1.25 DP MDD, dubbed the “Mirrored Drive Doors” or “Wind Tunnel” model(s) and based on the architecture used by the Xserve, features dual 1.25 GHz PowerPC 7455 (G4) processors, both with AltiVec “Velocity Engine” vector processing … Continue reading →