The Daystar Turbo 040 offers a radical upgrade path for many “older” macs. Unlike many other CPU upgrades, the Turbo 040 functions even when its driver software isn’t loaded.  However, with extensions and control panel loaded, a plethora of additional functions … Continue reading

Sonnet Presto PowerPC Card

The Sonnet Presto PowerPC was a reincarnation of the DayStar PowerPro 601. The card plugs into the PDS slot, or with the Macintosh Quadra 610, an adapter. It was compatible with the: Apple Mac Quadra 610 Macintosh Centris 610 Quadra … Continue reading

The MicroMac PowerMaster  features a PowerPC 604 or PowerPC 604e processor and was designed to fit the: PowerMac 7300, PowerMac 7500, Power Mac 7600, Apple PowerPC 8500, Power Macintosh 9500 Power Macintosh 9600 The PowerMaster also works with most of … Continue reading

Micromac Powerboy Processor 604 PowerPC

The PowerBoy is a high performance accelerator upgrade for the 6100-series Power Macintosh or Performa model. It features a PowerPC 604 processor and was designed to fit the Processor Direct Slot of the: Power Mac 6100/60 Power Mac 6100/66mHz Performa … Continue reading

Sonnet encore G3

The Sonnet Encore G3 400/1M consists of a 400 MHz PowerPC 750 (G3) processor with 1 MB of backside cache. The card replaces the existing CPU in a G3 computer, providing a significant speed boost. Unlike Powerlogix, the Sonnet G3 … Continue reading

powerforce G4

The PowerLogix PowerForce G4 ZIF 500 incorporates a 500 MHz PowerPC 7400 (G4) cpu with the AltiVec “Velocity Engine” vector processing unit and 1 MB of backside cache. It’s launch replaced the Powerforce G4 450mHz cpu upgrade. The upgrade card … Continue reading

Powerlogix Powerforce G4 450mHz ZIF

The PowerLogix PowerForce G4 ZIF 450 incorporates a 450 MHz PowerPC 7400 (G4) cpu with the AltiVec “Velocity Engine” vector processing unit and 1 MB of backside cache. It’s launch replaced the Powerforce G4 350mHz cpu upgrade. The upgrade card … Continue reading

Sonnet Presto 040

Sonnet’s 68040 processor upgrade for the following Desktop Macs: Mac IIsi, Mac IIvi, Mac IIvx, Performa 600 The upgrade card comes with 128k of on-board cache and significantly boosts the performance of the computer.  The cards were reported as having … Continue reading

Sonnet Allegro LCII 68030

Adding an 88 percent speed boost, the Sonnet Allegro Mac LC II processor upgrade card features a 33 MHz 68030 processor, a 16k level 2 cache, and a 68881 FPU (developed in 1984). The card plugs into the LC PDS … Continue reading

Sonnet Presto Plus

The Presto Plus is an upgrade for a variety LC PDS enabled macs that contain either a 68020 or 68030 processor; it adds a 66/33 MHz 68040 with or without an FPU, plugging directly into the processor direct slot. The … Continue reading