This machine uses the "Catalyst" style logic board, developed by Apple.
System Software
- Mac OS 7.5.3 or newer supported
Microprocessor
- 604/166, 604/180
- 55.3MHz bus speed for 604/166
- 60MHz bus speed for 604/180
- Upgradable via daughter card
- Integrated floating point unit and 32K cache
Memory
- Minimum 8M, expandable to 256M
- 4 DIMM slots supporting 168 pin, 60ns or faster, Fast Page Mode DIMMs; non-interleaved (604/180 requires gold connector)
- Level 2 cache 512k standard
- 8k of non-volatile parameter memory
- 4M read only ROM
SCSI
- Single internal/external SCSI bus at 5M/sec
- SCSI bus supports up to 7 devices
- Connections are available to the SCSI buses via an internal 50 pin or external 25 pin connector.
Disk Drives
- 1.4 MB high-density MFM/GCR floppy disk drive supporting Mac OS, DOS, and ProDOS diskettes
- Internal hard disk drive, 1G 5400 rpm minimum. Other capacities and speeds available.
- Internal 4x CD-ROM drive (other speeds up to 16x available)
Serial Ports
- Two RS-232/RS422 serial ports, Geoport compatible, 230.4 Kbits/s maximum (up to 2.048 Mbits/s clocked externally)
Keyboard and Mouse
- Supports ADB keyboards with numeric keypads
- Comes with keyboard and mouse
Network
- Built in AAUI port
- Built in 10baseT
- LocalTalk available through serial port
Bus Expansion
- Three internal PCI slots
Video Support
- Built-in high performance video with 1M, 2M, or 4M of VRAM. With 4M VRAM, millions of colors supported through 1152x870.
- Available resoltuions from 512x384 to 1280x1024
- Mac 15-pin and SVGA connectors available
Audio
- Stereo output port, mini-style jack
- Stereo input port, mini-style jack (requires line-level input, such as a PlainTalk Mic)
- Built-in speaker
- Stereo sound generator capable of driving stereo mini-plug headphones or audio equipment
- CD Quality 16-bit stereo, 44.1 kHz sample rate, input and output
- Sample rates of 44.1 kHz, 22.05 kHz, and 11.025 kHz
- Input line level: 2 volts peak to peak nominal into 6.5 kOhms
- Input through output signal-to-noise ratio: >86 decibels (dB) with no audible discrete tones
- Bandwidth: 10Hz-19 kHz (+/- 2 dB) at 44.1 kHz sample rate
- Total harmonic distortion plus noise: Less than 0.06% measured 30Hz-60kHz with a 2V p-p sine wave input
Enclosures
- Minitower: Three front accessible, full-height 5 1/4" bays One internal, full-height 3 1/2" bay
- All full-height bays can hold two half-height drives or one full-height drive.
Dimensions
Minitower: 7"(W) X 15"(H) X 16"(D); 22 lb (10.5 kg)
Electrical Requirements and compliance
- Line voltage: 100-240 V AC, RMS single phase (not auto-ranging)
- Frequency: 50 to 60 Hz
- Power: 200w, not including display
ADB power requirements
- Maximum power draw for all devices: 500mA
- Mouse power: up to 10mA
- Keyboard power: 25-80mA (varies with keyboard
Environmental Requirements
- Operating temperature: 10 - 40 degrees C (50 - 104 degrees F)
- Storage Temperature: -40 - 50 degrees C (-40 - 122 degrees F)
- Relative Humidity: 5% - 95% noncondensing
- Altitude: 0 - 3048m (0 - 10000 ft)
Machines Affected: PowerTower series