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Mac Systems: Apple: Macintosh Quadra: Macintosh Quadra 900 Specs | Ports
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The Apple Macintosh Quadra 900 features a 25 MHz 68040 processor, 4 MB of RAM, and either a 160 MB or 400 MB hard drive in an expandable tower case. In fact, the Quadra 900 was the first Macintosh to come in a tower case. In the picture, the Quadra 900 is on the left and the Quadra 700 is on the right.
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| Introduction Date: | October 21, 1991 | Discontinued Date: | May 18, 1992 |
| Processor Type: | 68040 | Processor Speed: | 25 MHz 1. |
| Processor Upgrade: | N/A | FPU (Integrated): | 68040 |
| System Bus Speed: | 25 MHz | Lookaside Bus Speed: | N/A |
| ROM Size: | 1 MB | Data Path: | 32-bit |
| Level 1 Cache: | 8k | Level 2 Cache: | N/A |
| RAM Type: | 80 ns 30-pin SIMM | VRAM Type: | 80 ns VRAM SIMM |
| Standard RAM: | 4 MB | Maximum RAM: | 256 MB |
| Motherboard RAM: | None | RAM Slots: | 16 (groups of 4) |
| Standard VRAM: | 1 MB | Maximum VRAM: | 2 MB 2. |
| Standard Hard Drive: | 160 MB, 400 MB | Int. Hard Drive Type: | SCSI |
| Standard CD-ROM: | N/A | Standard Disk: | 1.44 MB (auto) |
| Standard Modem: | N/A | Standard Ethernet: | AAUI-15 |
| Case Type: | Tower | Form Factor: | Mac Quadra 900 |
| Exp. Slots: | 5 NuBus, 040 PDS | Exp. Bays (Free): | 1 (5.25") 3. |
| Battery Type: | 3.6V Lithium | Battery Life: | N/A |
| Built-in Display: | N/A | Supported MacOS: | 7.0.1-7.5.1, 7.5.3-8.1 |
| Dimensions: | 18.6 x 8.9 x 20.6 4. | Avg. Weight: | 36.8 lbs. |
| Original Price: | $8500 US | Est. Current Price: | N/A |
| Notes: |
1.
This model is sometimes designated as having a 50 MHz
processor,since
the clock input runs at 50 MHz. However, the processor
itselfis
not "clock doubled", so technically it is only a 25 MHz
processor. 2. 1 MB soldered, four slots can be filled with 256k SIMMs for 2 MB. 3. Remaining 5.25" bay is external. 4. In inches, height x width x depth. 5. Photo Credit: Apple Computer, Inc. (MacUser Advertisement). |
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