Upgradable microprocessor
=========================
* PowerPC 604 microprocessor running at 150 MHz, upgradable to a higher-speed processor when available (up to 250 MHz)
* Integrated floating-point unit and 32K cache
* High-speed system bus (up to 50 MHz)
Memory
======
* 16 MB or 32 MB of RAM, expandable to 768 MB via 12 DIMM sockets
* 4 MB of ROM
* 512K level 2 cache
Disk drives
===========
* Internal 2 GB high-performance SCSI hard disk
* Internal Apple SuperDrive floppy disk drive
- Accepts high-density 1.4MB disks and 800K disks
- Reads, writes, and formats Macintosh, Windows, MS-DOS, OS/2, and ProDOS
disks
* Internal AppleCD 600i quadruple-speed (4X) CD-ROM drive
* One open expansion bay for additional 3.5-inch hard disks
Interfaces
==========
* Six 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
* 16-bit stereo sound input and output ports
* DB-15 connector for monitor (on accelerated graphics card, if included)
Graphics support
================
* 2 MB of VRAM, expandable to 4 MB
* 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
* Third-party displays, including VGA and SVGA monitors
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 ADB 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: 16.9 in. (43.0 cm)
* Width: 7.7 in. (19.6 cm)
* Depth: 15.75 in. (40.0 cm)
* Weight: 28 lb. (12.7 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.
18 Jul 1996 - Changed number of open bays to one.
19 Apr 1996 - Updated information.