Power Macintosh 7500

Power Macintosh 7500

Mac_specs|
1995|MSRP=3000|CPU=PowerPC 601
CPUspeed=100 MHz|OS=System 7.5.2, Mac OS 8, Mac OS 9| RAM=8 or 16 MiB, expandable to 1 GiB|RAMtype=70 ns 168 pin DIMM|Discontinued=May, 1996 | HD=1gig
The Power Macintosh 7500 was one of the first PCI capable Macs manufactured by Apple Computer. It was released alongside the Power Macintosh 7200, and the Power Macintosh 8500 in October 1995. The 7500 had a PowerPC 601 processor rated at 100 MHz that was upgradeable via a daughtercard. It also featured full composite video and s-video input capability, but no output, as the 7500 was designed to be a video conferencing system, not a multimedia editing machine; this was the 8500's main purpose. The 7500 and 7200 featured a unique swing open chassis called "Outrigger" that allowed for easy upgrades, as the entire motherboard was open to the user.

There were two derivative models: the Power Macintosh 7600, was identical to the 7500 except for the CPU; the 7600 used a PowerPC 604 or 604e processor instead of the 601. The Power Macintosh 7300, was identical to the 7600, but lacked the video inputs found in both the 7500 and 7600.

In the 7500 and its derivatives, the main bus runs at 50 MHz, and the cpu at integer or half-integer multiples of this speed. The bus is temperamental, and can show sensitivity to different kinds of RAM or of L2 cache. Some cpu upgrades attempt to drive the main bus at a faster clock-rate, but success is not assured.

See also

* List of Macintosh models grouped by CPU type
* List of products discontinued by Apple Computer

References

* [http://lowendmac.com/ppc/7500.shtml Power Macintosh 7500] at lowendmac.com
* [http://everymac.com/systems/apple/powermac/stats/powermac_7500_100.html Power Macintosh 7500] at everymac.com
* [http://7k5.info 7K5] Information about Power Macintosh 7500, upgrades and add ons


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