Logic Board | Ports | Power |
Processor: | 68040, 25 | PMMU: | integrated | FPU: | integrated | Data Path: | 32, 25 | L1 Cache: | 8K | L2 Cache: | none | 2nd Processor: | none | Slots: | 5 NuBus, 1 PDS |
| USB: | | ADB: | 1 | Video: | DB-15 | Floppy: | none | SCSI: | DB-25 | Geoports: | | Ethernet: | AAUI-15 | FireWire: | | Mic Type: | Omni | AirPort Ready: | | Other Ports: | Printer Modem Speaker , |
| Max Watts: | 303 | Amps: | 10 | BTU per Hr: | 1036.26 | Voltage: | 100-240 | Freq Range: | 50-60 Hz | Battery Type: | 3.6V lithium | Soft Power: | yes | Pass Through: | yes |
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Memory | Video Memory |
Logic Board: | none | RAM Slots: | 16, 30-pin SIMM | Min - Max RAM: | 4 MB - 256 MB | Min RAM Speed: | 80 | RAM Sizes: | 1, 4, 8, 16 MB | Install in Groups of: | 4 | Notes: | 8MB & 16MB SIMMs may be used, but are not supported by Apple. |
| Resolution | Video Memory 1MB VRAM (built in) | Video Memory 2MB VRAM (4x256K) | 512 x 384 | 24-bit | 24-bit | 640 x 400 | n/a-bit | n/a-bit | 640 x 480 | 8-bit | 24-bit | 800 x 600 | n/a-bit | n/a-bit | 832 x 624 | 8-bit | 24-bit | 1024 x 768 | n/a-bit | n/a-bit | 1152 x 870 | 8-bit | 8-bit | 1280 x 1024 | n/a-bit | n/a-bit |
Notes: 512K VRAM SIMMs may be installed, but only 256K of each SIMM will be used. |
Physical | Software | Storage |
Introduced: | 10/21/1991 | Discontinued: | 5/18/1992 | Form Factor: | Quadra 900 | Gestalt ID: | 20 | Weight (lbs): | 36.8 | Dimensions (in): | 18.6 H x 8.9 W x 20.6 D |
| Addressing Modes: | 24-, 32-bit | Orig SSW: | 7.0.1 | Orig Enabler: | none | ROM ID: | $067C | ROM Ver: | n/a | ROM Size: | 1MB | AppleTalk Ver: | 56.0.2 | Mac OS Supported: | 7.0.1 7.1 7.1.1 (Pro) 7.5 7.5.1 7.5.3 7.5.5 7.6 7.6.1 8.0 8.1 |
| Floppy Size: | 1.44MB | Floppy Inject: | auto | Min. Int HD Size: | 80-160MB | Int HD Interface: | SCSI | Orig CD Speed | 2x | Int CD Support: | yes |
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