includes System 7.5 and a 250 MB hard drive. Includes software bundle #1. Macintosh Performa 6112CD: Same specifications as the 6100/60; includes System 7.5 and a 250 MB hard drive. Includes software bundle #2. Macintosh Performa 6115CD: Same specifications as the 6100/60; includes System 7.5 and a 350 MB hard drive. Includes software bundle #1. Macintosh Performa 6117CD: Same specifications as the 6100/60; shipped with System 7.5.1 and a 700 MB hard drive Macintosh Performa 6118CD: Same specifications as the 6100/60; includes System 7.5 and a 500 MB hard drive. Includes both software bundles. Introduced January 3, 1995: Power Macintosh 6100/66 Power Macintosh 6100/66AV Power Macintosh 6100/66 DOS Compatible Introduced April 3, 1995: Apple Workgroup Server 6150/66 Introduced July 17, 1995: Macintosh Performa 6116CD: Same specifications as the 6100/60; shipped with System 7.5.1 and a 350 MB hard drive Specifications Codename: Piltdown Man CPU: PowerPC 601 CPU Speed: 60/66 MHz FPU: integrated Bus Architecture: NuBus Bus Speed: 30/33 MHz Data Path: 64 bit ROM: 4 MB Old World ROM RAM Type: 72 pin EDO or FPM SIMMs (install in pairs of equal MB amounts and equal types) Maximum (fastest) RAM Speed: 60 ns Minimum (slowest) RAM Speed: 80 ns Onboard RAM: 8 MB soldered to logic board RAM Slots: 2 Maximum RAM: 72 MB (Apple's old official amount), 264 MB (with two 128 MB SIMMs) Level 1 Cache: 16 KB data, 16 KB instruction (32 KB total) Level 2 Cache: optional VRAM: 640 KB DRAM "borrowed" from system RAM (2 MB w/ Power Macintosh AV card) Maximum Resolution: 1152×870 at 256 colors and 800x600 at thousands of colors (w/ AV card) Slots: PDS or 7" NuBus (AV card fills both) Floppy Drive: 1.44 MB SuperDrive Optical Drive: optional 2× CD-ROM Apple 300i (internal 50-pin SCSI) Hard Disk: 120 MB - 700 MB (internal 50-pin SCSI) Ethernet: AAUI-15 ADB: 1 Serial: 2 (printer & fax/modem) SCSI: DB-25 Video Out: HDI-45 Audio Out: stereo 16 bit mini Audio In: stereo 16 bit mini Speaker(s): mono Gestalt ID: 75 Power: 210 watts Weight: 14.5 lb (7 kg) Dimensions: 3.4" H × 16.3" W × 15.6" D (86 mm × 414 mm × 396 mm) Minimum OS: 7.1.2 (60 MHz version), 7.5 (66 MHz version), MS-DOS 6.22 and Windows 3.1 (66 MHz PC Compatible model on DOS Compatibility card) Maximum OS: 9.1 References External links Power Mac 6100 Upgrade Guide Power Mac 6100 Service