Environmentally Responsible Retirement for Old Macs, Rick Lawson, Pioneers in Mac Development, 2008.06.13.Sonnet 100 MHz PowerPC 601 Presto PPC, discontinued.Runs at twice the speed of the original processor (50 MHz) and has a 1 MB level 2 cache (resource: Unofficial PowerPro 601 Page. Daystar Digital PowerPro 601, Apple Knowledge Base Archive.MicroMac Speedy variable speed oscillator (to 38 MHz).Output Enablers 40-45 MHz clock accelerator.MicroMac PDS or slot-free 128 KB L2 cache.
#MAC OS 7.6 VS 8.1 UPGRADE#
#MAC OS 7.6 VS 8.1 MAC OS#
requires System 7.0.1 or later highest version supported without a PPC upgrade is Mac OS 8.1.Got a 68040-based Mac? Join our Vintage Macs Group.See our NuBus Video Card Guide for information on adding a video card. To use the AWS 95 as a standard Mac, you must remove that card. The only difference between the Quadra 950 and the AWS 95 is the presence of the Apple Workgroup Server PDS Card in the AWS 95. The Apple Workgroup Server was a special version of the Quadra 950 designed to run A/UX, Apple’s version of Unix.
Thus, under System 7.0-7.1 (and only under those systems) you must make sure that all devices on both chains have unique IDs. However, the external SCSI bus works the same as on other Macs.Īlthough there are two separate SCSI buses, System 7.0-7.1 “folds” them together so the operating system sees a single virtual SCSI bus. This is the opposite of all other Macs except the Quadra 900. The internal SCSI bus is terminated on the motherboard, so internal SCSI devices should not be terminated. This is obviously designed to be used as a server.Īccording to Apple, the monstrous power supply can support two 25-watt NuBus cards and three of the more typical 15-watt cards. With 16 SIMM slots, you can add incredible amounts of memory, along with plenty of huge hard drives. The Quadra 950 is built like a tank and obviously designed to sit on the floor. The 950 can display 16-bit video on a 19″ monitor without the need for a third-party video card. Because Apple removed some “wait states” from the video section, the 950’s internal video is about 20% faster than the 900’s – and the faster CPU helps things along even more. Apple replaced the Quadra 900 with the 950, boosting CPU speed from 25 MHz to 33 MHz.
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