Macintosh Quadra 900
Codename: "Darwin, Eclipse, IIex, Premise 500"
Introduced: October 1991
Discontinued: May 1992
Processor: Motorola 68040
Processor Speed: 25 MHz
Cache: 8 k L1
Data Path: 32 bit
System Bus: 25 MHz
Hard Drive Size: 80 - 160 MB
Media: CD-ROM 2x, 1.44 MB Floppy
Weight and Dimensions: 25.3 lbs., 18.6" H x 8.9" W x 20.6" D
Original Mac OS: Mac OS 7.0.1
Maximum Mac OS: Mac OS 8.1
Machine ID: 78
Motherboard RAM: 0 MB
Maximum RAM: 256 MB
Number of Sockets: 16 - 30 pin SIMM
Minimum RAM Speed: 80 ns
Graphics Card: None
Video Memory: 1 - 2 MB (four sockets)
Built-in Display: None
Display Connection: DB-15
Slots: 5 NuBus, 1 PDS
Hard Drive Bus: SCSI
Modem: None
PRAM: 3.6v Lithium
Power: 303 Watts
ADB: 1
Serial: 2
SCSI: DB-25
USB: None
FireWire: None
Ethernet: AAUI-15
Sound In: mono 8 bit
Sound Out: stereo 16 bit
History: Released in October 1991, The Quadra 900 was a more expandable version of the Quadra 700. It had 5 Nubus slots and had room for 3 half-height internal bays instead of the 700's one. The Quadra 900 sold for $7,200 U.S.

