Upgradable microprocessor
=========================
* PowerPC 604 microprocessor running at 132 MHz or 150 MHz, upgradable to a higher-speed processor when available (up to 250 MHz)
* Integrated floating-point unit, 32K cache, and three integer units
* High-speed system bus (up to 50 MHz)
Memory
======
* 16 MB of RAM, expandable to 512 MB via 8 DIMM sockets
* 4 MB of ROM
* 256K level 2 cache
Disk drives
===========
* Internal 1.2 GB or 2 GB high-performance SCSI hard disk
* Internal Apple SuperDrive floppy disk drive
- Accepts high-density 1.4 MB disks and 800K disks
- Reads, writes, and formats Macintosh, Windows, MS-DOS, OS/2, and ProDOS disks
* Internal quadruple-speed
* Expansion bay for additional 3.5-inch hard disk
Interfaces
==========
* Three PCI expansion slots compatible with PCI 2.0-compliant cards
* Two high-speed DMA serial (RS-232/RS-422) ports compatible with LocalTalk and GeoPort cables
* 10BASE-T and AAUI-15 Ethernet connectors; optional PC Compatibility Cards provide multinode support for simultaneous network connections
* Internal Fast SCSI bus (up to 10 MB/s)
* External SCSI bus (up to 5 MB/s)
* Apple Desktop Bus (ADB) expansion port
* RCA phono jacks for line-level stereo audio input and output
* Mini jacks for stereo audio input and output
* All sound ports support 16-bit audio and up to 44.1-kHz sampling rate
* DB-15 connector for monitor
* Composite connectors (RCA phono jacks) for composite video input and output
* S-video input and output connectors
* Internal digital audio/video (DAV) connector for video compression/decompression cards
Video input/output subsystem
============================
* 24-bit video input
- Real-time video playthrough of up to 640x480 pixels with NTSC; 768x576 pixels with PAL and SECAM
- Up to 320x240-pixel capture up to 25 frames per second with NTSC (with 2 GB drive)
- Maximum capture size of 640x480 pixels
with NTSC
* 24-bit video output
- Support for NTSC and PAL
- Convolution for flicker reduction at all bit depths
Graphics support
================
* 2 MB of VRAM, expandable to 4 MB
* Fast 64-bit data path to VRAM
* Support for display resolutions of up to 1,280x1,024 pixels
* 24-bit color up to 1,152x870-pixel resolution
* Refresh rate of up to 75 Hz
GeoPort telephony (Requires GeoPort Telecom Adapter)
====================================================
* 14.4-Kbit/s modem support
* V.17 fax support
* GeoPort Fax and GeoPort Telephony software included
* Speakerphone and answering-machine capability
Clock/calendar
==============
* Custom integrated circuit with long-life battery
Keyboard and mouse
==================
* Supports ADB keyboards with numeric keypads
* Comes with an ADB Mouse II
Electrical requirements and compliance
======================================
* Line voltage: 100 to 240 V AC, RMS single phase, automatically configured
* Frequency: 50 to 60 Hz, single phase
* Power: 225 W maximum, not including display
ADB power requirements
======================
* Maximum current draw for all devices: 500 mA
(a maximum of three ADB devices is recommended)
* Mouse draws 10 mA
* Keyboard draws 25 to 80 mA (varies with keyboard used)
Size and weight
===============
* Height: 14 in. (35.6 cm)
* Width: 7.7 in. (19.6 cm)
* Depth: 15.75 in. (40.0 cm)
* Weight: 25 lb. (11.3 kg)
Environmental requirements
==========================
* Operating temperature: 50í to 104í F (10í to 40í C)
* Storage temperature: -40í to 116í F (-40í to 47í C)
* Relative humidity: 5% to 95% noncondensing
* Maximum altitude: 10,000 ft. (3,048 m)
Article Change History:
19 Sep 1996 - Updated processor card support.
12 Jul 1996 - Added additional informatin.
19 Apr 1996 - Updated information