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2. Macintosh 128K/512K technical details - Wikipedia

   en.wikipedia.org/wiki/Macintosh_128K/512K...

   Protected memory was only added to Macintosh computers with the release of the Mac OS X operating system. According to Andy Hertzfeld, the Macintosh used for the introduction demo on January 24, 1984, was a prototype with 512k RAM, even though the first model offered for sale implemented just 128k of non-expandable memory. This prototype was ...

3. PowerBook 1400 - Wikipedia

   en.wikipedia.org/wiki/PowerBook_1400

   System memory modules can be "piggy-backed" onto each other (another feature unique to the 1400), allowing the use of additional RAM. The CPU is located on a removable daughter card, which can be replaced with one containing a faster processor, including a number of commercially available cards with PowerPC G3 processors from vendors such as ...

4. Macintosh SE/30 - Wikipedia

   en.wikipedia.org/wiki/Macintosh_SE/30

   A system extension called MODE32 enables access to installed extra memory under System 6.0.8. Under System 7.0 up to System 7.5.5 the SE/30 can use up to 128 MB of RAM. Alternatively, replacing the ROM SIMM with one from a Mac IIsi or Mac IIfx makes the SE/30 "32-bit clean" and thereby enables use of up to 128 MB RAM and System 7.5 through OS 7 ...

5. Mac Pro - Wikipedia

   en.wikipedia.org/wiki/Mac_Pro

   The Mac Pro Server includes an unlimited [8] Mac OS X Server license and an Intel Xeon 2.8 GHz quad-core processor, with 8 GB of DDR3 RAM. [114] In mid-2012, the Mac Pro Server was upgraded to an Intel Xeon 3.2 GHz quad-core processor. The Mac Pro Server was discontinued on October 22, 2013, with the introduction of the cylindrical Mac Pro.

6. iMac G3 - Wikipedia

   en.wikipedia.org/wiki/IMac_G3

   Despite the reviews the iMac was an immediate commercial success, becoming Apple's fastest-selling computer, selling more than six million units in its lifetime. The original model was revised several times, improving the processor speed, the amount of random-access memory, hard drive space, and other capabilities. The iMac is credited with ...

7. Macintosh SE - Wikipedia

   en.wikipedia.org/wiki/Macintosh_SE

   RAM: The SE came with 1 MB of RAM as standard, and is expandable to 4 MB. The logic board has four 30-pin SIMM slots; memory must be installed in pairs and must be 150 ns or faster. The logic board has four 30-pin SIMM slots; memory must be installed in pairs and must be 150 ns or faster.