Quadra & Centris

PowerPC Upgrades for 040 PDS

Apple Power Mac Upgrade Card
DayStar PowerPro 601
Sonnet Presto PPC 700

Overview

Low End Mac Reader Specials

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The Apple Power Mac Upgrade Card (APMUC) plugs into the processor direct slot (PDS) of the Centris 650, Quadra 650, 700, 800, 900, and 950. With an adapter, it also works in the Centris 610 and Quadra 610.

This card is not compatible with the LC 475, LC 575, LC 580, LC 630, Performa 475-476, Performa 575-578, Performa 580-588, Performa 630 series, Quadra 605, and Quadra 630. These models accept the Apple Power Mac Processor Upgrade.

The APMUC was built by DayStar, which sold several versions under the PowerPro 601 name (see Apple TIL for more details). After DayStar went out of business, Sonnet picked up their 100 MHz design and sold it as the Presto PPC upgrade; it has since been discontinued.

The APMUC has a 66 MHz PowerPC 601 processor, which operates at twice the speed of the '040 processor installed in the computer it is upgrading - or twice bus speed in a chipped machine. All three versions of the card are compatible with Mac OS 8.1; with Sonnet's drivers, their card also supports Mac OS 8.5-8.6.

Details, Apple

Details, DayStar PowerPro

Details, DayStar PowerPro with RAM Expansion

Details, Sonnet Presto PPC 700

Online Resources

Cautions

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