introduced later in 1995, offering a theoretical limit of 1.5 GB memory, though System 7.5.2 is unable to use more than 1 GB of memory. Some other firsts for a Macintosh include a regular 10BASE-T ethernet port alongside the AAUI port, as well as support for the new SCSI-2 Fast standard, and a 4X CD-ROM. The basic design of the logic board, called "Tsunami", was used by various Macintosh clone makers as a reference design and a modified version was used in the non-Macintosh Apple Network Server series. Utilizing a third-party G4 CPU upgrade and the XPostFacto installation utility it is possible to run up to Mac OS X v10.5 "Leopard" on a 9500, making it the oldest model capable of running Mac OS X. Models Included as standard with all models are 16 MB RAM, 1 GB HDD, and AppleCD 600i 4x CD-ROM. Introduced June 19, 1995: Power Macintosh 9500/120 Power Macintosh 9500/132: 132 MHz CPU, 2 GB HDD. Introduced October 2, 1995: Power Macintosh 9515/132: Same as the 9500/132, sold in Europe and Asia. Introduced April 22, 1996: Power Macintosh 9500/150: 150 MHz CPU, 16 or 32 MB RAM, 2 GB HDD. Introduced August 7, 1996: Power Macintosh 9500/180MP: Two 180 MHz PowerPC 604e CPUs, 16 or 32 MB RAM, 2 GB HDD, AppleCD 1200i 8x CD-ROM. Power Macintosh 9500/200: 16 or 32 MB RAM, 2 GB HDD, AppleCD 1200i 8x CD-ROM. Timeline References External links Low End Mac's Power Macintosh 9500 page 9500 9500 Macintosh towers Computer-related introductions in 1995