Image Credit:  Macworld, June 1994 Image Credit:  Macworld, June 1994 Introduced: January 3, 1995 Terminated: May 18, 1996 Logic Board Processor:   601 Processor Speed:   66 MHz 2nd Processor:   Intel 486DX2-66 PMMU:   Integrated FPU:   Integrated Bus Speed:   33 MHz Data Path:   64-bit ROM Size:   4 MB Level 1 Cache:   32K Level 2 Cache:   256K Expansion Slots:   PDS filled Battery:   3.6V Lithium (Macworld, January 1995) Intel 486DX2-66 Card installed in PDS Memory RAM Type:   72-pin SIMM RAM Slots:   2 Min - Max RAM:   8 MB - 72 MB Minimum RAM Speed:   80 ns Install in groups of:   2 RAM Sizes:   4, 8, 16, 32 MB Onboard RAM:   8 MB Note: DOS card can accept one 72-pin SIMM (80 ns), up to 32 MB in size Image Credit:  Apple, Inc. Ports ADB:   1 USB:   none FireWire:   none Video:   HDI-45 Floppy:   none SCSI:   DB-25 Geoports:   2 Ethernet:   AAUI-15 Mic Type:   PlainTalk Other ports:   Printer, modem, speaker Note: PC game port also available. SoundBlaster 16 16-bit stereo sound out for PC multimedia compatibility. Video Standard:   640K HDI-45 DRAM (System RAM) Maximum:   640K HDI-45 DRAM (System RAM) Display Resolution: 512 x 384, 16-bit 640 x 480, 16-bit 832 x 624, 8-bit Note: 640K of the system RAM is dedicated to the video function. Storage Standard CD-ROM:   2x Internal Hard Drive:   SCSI (350 - 500 MB) Floppy Disk Drive:   1.44 MB manual Image Credit:  Apple, Inc. Operating System Addressing Modes:   32-bit Original OS:   7.5 Original Enabler:   PowerPC Enabler v1.1.1 Compatible MacOS: 7.5 7.5.1 7.5.3 7.5.5 7.6 7.6.1 8.0 8.1 8.5 8.6 9 Note: Includes Microsoft MS-DOS 6.22 and Windows 3.1 Miscellaneous Codename:   Piltdown Man Form Factor:   Centris 610 Dimensions (Inches):   3.4 H x 16.3 W x 15.6 D Average Weight (lbs):   14 Gestalt ID:   100 Original Price:   $1750, $1950, $2150 US Image Credit:  Wall Data, Inc., 1996