Microprocessor
* 66-MHz PowerPC 601 RISC Processor
Memory
* 4 MB ROM
* 256 bytes of non-volatile parameter memory
* 8 MB of RAM standard, expandable to 136 MB
* 4 SIMM slots (2 pairs)
* SIMMs can be 4 MB, 8 MB, 16 MB or 32 MB, but must be installed in pairs of the same size.
* Possible RAM configurations up to 136 MB.
* 80 ns SIMMs or faster
* L2 Cache Slot for Optional Macintosh Cache Card
RAM note: All 8MB RAM configurations come with 8MB of RAM soldered onto the logic board
Form Factor
* Modular desktop enclosure (similiar to Quadra 650 enclosure)
Disk Drives
* One Built-in Apple SuperDrive 1.4 MB floppy disk drive that uses high-density floppy disks and reads, writes, and formats Macintosh, MS-DOS, and OS/2 disks.
* Support for two internal SCSI devices, one of which may be used for a one-half height, 5.25-inch removable media drive, such as an internal CD-ROM drive.
* One internal hard disk
* Optional internal Apple CD-ROM drive (see above)
* Optional external SCSI hard disk drive (many capacities available)
Video Display
* DRAM based video: 16 bit on 14-inch monitors, 8 bit on 16-inch monitors 640k of non-expandable DRAM-based video
* VRAM based video: 1MB: 16 bit on 16-inch monitors, 8 bit on 21-inch monitors. 2MB: 24 bit on 16-inch monitors, 16 bit on 21-inch monitors.
*NOTE - NTSC and PAL display modes supported only on AV configurations.
Interfaces
* Three internal Nubus 90 slots, support block transfers to and from main memory, 2x block transfers card to card.
* One Apple Desktop Bus (ADB) port, supporting a keyboard, mouse, and other devices.
* One AAUI-15 Ethernet connector.
* Two serial (RS-232/RS-422) ports. (Printer & Modem/GeoPort)
* SCSI interface for connecting up to a total of seven SCSI devices.
* Sound output port for stereo compact disc audio and stereo computer- generated sound.
* Sound input port for stereo sound input (supports 16-bit stereo audio)
* One AV Display Connector supports the Apple AudioVision 14 Display.
* The available Video Adapter Cable (Part #M2681LL/A) allows you to connect a monitor with a standard DB-15 connector to your Power Macintosh built-in video.
* One internal 601 PDS (processor direct slot)
* One internal L2 (Level 2) cache slot
Audio System
* 16-bit stereo in and out
* Sample rates of 48, 44.1, 24, 22.05 kilohertz (kHz)
* Input line level: 1 volt peak-to-peak
* Output line level: 1 volt peak-to-peak
* Input SNR (signal-to-noise ratio): 82 decibels (dB) with no audible discrete tones
* Output SNR: 85 dB with no audible discrete tones
* Bandwidth: 20 Hz-20 kHz (+/- 2 dB) at 44.100 kHz sample rate
* THD+N (Total harmonic distortion plus noise): Less than 0.05 percent; measured 20 Hz-20kHz with a 1-Vrms sine wave input.
Networking
* Built-in Ethernet
* Serial port for AppleTalk
* Integrated GeoPort telecommunications architecture for data, fax, and voice connectivity.
Keyboard
* Several Apple Desktop Bus keyboards with numeric keypads available.
Mouse
* Apple Desktop Bus Mouse II; mechanical tracking, optical shaft, or contact encoding.
Clock/Calendar
* CMOS custom chip with long-life lithium battery.
Apple PlainTalk Microphone (optional)
* The microphone is unidirectional and optimized for use with speech recognition.
Disability Access
* Easy Access, and visible beep included with system software. These built-in features and third-party options provide alternative input and output tools for people with disabilities.
Electrical Requirements
* Line voltage: 100 to 240 VAC, RMS single phase, automatically configured
* Frequency: 50 to 60 hertz, single phase
* Power Supply Output Rating (Power available for internal devices)
- Continuous output 112W
* A/C Line Input (Power drawn by the Power Macintosh 7100/66)
- Maximum continuous 167W
- Peak input 230W
ADB Power Requirements
* Maximum current draw for all ADB devices: 500 milliamps (a maximum of three Apple Desktop Bus devices is recommended)
* Mouse draws 10 milliamps.
* Keyboard draws 25 to 80 milliamps, depending on the keyboard model used.
Size and Weight
Height: 6 inches (15.3 cm)
Width: 13 inches (32.8 cm)
Depth: 16.5 inches (42 cm)
Weight: 25 lb. (11.32 kg)
*Weight varies based on internal devices installed
Operating Environment
* Operating temperature: 50 degrees to 104 degrees F (10 degrees to 40 degrees C)
* Storage temperature: -40 degrees to 116.6 degrees F (-40 degrees to 47 degrees C)
* Relative humidity: 5 to 95 percent, noncondensing
* Maximum altitude: 10,000 ft. (3,048m)
System Software Requirements
Requires System 7.1.2 or later.