The Apple Macintosh Quadra 900 is a personal computer that was designed, manufactured, and sold by Apple from 1991 to 1992 as part of the Macintosh Quadra series. The computer has been introduced on October 21, 1991, and its price started at $7200.
The new Quadra 900 features a 25 MHz Motorola 68040 processor, 4 MB of RAM, 160 MB or 400 MB hard drive, CD-ROM drive, and 1.44 MB Floppy drive.
This Macintosh has been discontinued on May 18, 1992.
Today Macintosh Quadra 900 is 31 years old!
Macintosh Quadra 900 Release Date and Original Price
Introduced | October 21, 1991 |
Discontinued | May 18, 1992 |
Model Identifier | 28 |
Model Number | M4200 |
Order Number | M4210LL/A (no hard drive) M4230LL/A (160 MB hard drive) |
Original Price | $7,200 $8,500 |
Colors | Platinum |
Weight | 25.3 Ibs. 11.475 KG |
Dimensions | 18.6” H x 8.9” W x 20.6” D 47.24 cm H x 22.6 cm W x 52.32 cm D |
Tech Specs
Processor
Processor | Motorola 68040 |
Processor Speed | 25 MHz |
Architecture | Unknown |
Number of Cores | 1 |
System Bus | 25 MHz |
Cache | 8 KB L1 |
Coprocessor | Integrated FPU |
Storage & Media
Storage | 160 MB 400 MB |
Media | 1 – CD-ROM 1 – 1.44 MB Floppy 1 – DDS-DC drive (Optional) |
Memory
Built-in Memory | 4 MB |
Maximum Memory | 256 MB |
Memory Slots | 16 – 30 pin SIMMs |
Minimum Speed | 80 ns |
ROM | Unknown |
Interleaving Support | No |
Display
Built-in Display | None |
Graphics
Graphics Card | None |
Graphics Memory | 1 – 2 MB (via four sockets) |
Display Connection | 1 – DB-15 |
Expansion
Expansion Slots | 5 – NuBus 1 – PDS (Cache Bus) |
Hard Drive Interface | SCSI |
Software
Original OS | System Software 7.0.1 |
Maximum OS | Mac OS 8.1 |
Firmware | Macintosh ROM |
Connections
Ethernet | AAUI-15 |
Modem | None |
ADB | 1 |
Serial | 2 |
SCSI | 1 – DB-25 |
Floppy Port | None |
Audio In | 1 – 3.5-mm mono input jack |
Audio Out | 1 – 3.5-mm stereo output jack |
Display | 1 – DB-15 |
Power
Backup Battery | 3.6 V lithium |
Maximum Continuous Power | 303 W |
Line Voltage | Unknown |
References:
Apple Support – Macintosh Quadra 900: Technical Specifications