Wallstreet Presto! G4/500mhz upgrade G4 Power for the Wallstreet. Finally here, at an affordable price! Presto: Adverb- In a very fast tempo, usually considered to be faster than allegro. G4/500mhz processor 1mb L2 (backside) 250mhz cache Runs 25% cooler than competetive kits! 100% OSX compatable - 10.0-->10.4* 100% OS9 Compatable NO ROM Upgrade necessary! NO SOFTWARE INSTALLATION! Supports from 32 to 512MB Good for Mac OS 8.1-Jaguar!! 1yr Warranty Fits ALL G3 Wallstreet Powerbooks! This upgrade currently unavailable due to availability issues on the Motorola chipset Please check this page for availability.   Our upgrade design philosophy is simple: We expect 100% compatability, simple & fast installation, and rugged reliability. The Presto! meets these requirements and more. We combined current build technology--the ultra-cool G4/7410 processor with current fast 250mhz L2 cache. The result is a very powerful processor, running very cool (average temps are less than 45 degrees Celcius-about 112F!) Our ultra-fast backside L2 cache (1mb running at 250mhz!) ensures an excellent performance boost, with performance increases in excess of 10X's the speed of your original Wallstreet card! We use 100% Apple ROM - no "firmware upgrades", no required software to install, no issues, no hassle. Just install our card, reboot your Wallstreet, and you're ready to enjoy the power and speed! Kit includes Upgrade processor, installation guide, and upgraded cooling shield. In addition we send a full tool set,with the kit, so you have everything you need to do the installation. Then when you've installed your card, just send the old parts back with the tools for the rebate! Order the upgrade today. We'll send your new card, then you can return your old core components & tools for the core refund rebate. Purchase requires return of your original Wallstreet card. A $30 core charge will be refunded upon receipt of test good wallstreet series II cards. Core boards must have cache installed to qualify for core rebate. Partially working or series I cards may be eligible for partial rebate. Please allow up to 10 business days for testing and rebate. Warranty: units are warranted for 1yr from date of purchase. Original cards missing cache on board are not eligible for core rebate. *Note on OSX Our cards are AS compatable as original Apple cards. If you wish to upgrade to 10.3 or higher, you will still need to install a 3rd party driver (such as XpostFacto), to allow yourr Wallstreet to boot running 10.3 or higher. OSX installation WILL work-we hear from many users who have We do not offer OSX software support for Wallstreets-you should see the folks from XpostFacto--they have a complete forum for support.   What is cache, and why should I care? Wanna less expensive upgrade? Try our $99 G3/400mhz upgrade, the Avanti.

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