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Mac Systems: Apple: Macintosh PowerBook Duo: PowerBook Duo 250 Specs | Ports
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The Apple PowerBook Duo 250 features a 33 MHz 68030 processor, 4 MB of RAM, and a 200 MB hard drive in a lightweight portable case with a sharp 9.1" grayscale active-matrix display. The PowerBook Duo series provides both a portable computer and the option to set up a full-powered desktop Macintosh with a compatible Duo Dock.
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| Introduction Date: | October 21, 1993 | Discontinued Date: | May 16, 1994 |
| Processor Type: | 68030 | Processor Speed: | 33 MHz |
| Processor Upgrade: | N/A | FPU: | N/A |
| System Bus Speed: | 33 MHz | Lookaside Bus Speed: | N/A |
| ROM Size: | 1 MB | Data Path: | 32-bit |
| Level 1 Cache: | 0.5k | Level 2 Cache: | N/A |
| RAM Type: | 70 ns DRAM card | VRAM Type: | Built-in (80 ns) |
| Standard RAM: | 4 MB | Maximum RAM: | 32 MB 1. |
| Motherboard RAM: | 4 MB | RAM Slots: | 1 (Duo) |
| Standard VRAM: | N/A | Maximum VRAM: | N/A |
| Standard Hard Drive: | 200 MB | Int. Hard Drive Type: | SCSI |
| Standard CD-ROM: | N/A | Standard Disk: | None |
| Standard Modem: | N/A | Standard Ethernet: | N/A |
| Case Type: | Portable (Med. Gray) | Form Factor: | PowerBook Duo |
| Exp. Slots: | Modem, Dock (PDS) | Exp. Bays (Free): | None |
| Battery Type: | Duo NiMH Type II | Battery Life: | 2.0-6.0 hours |
| Built-in Display: | 9.1" Grayscale 2. | Supported MacOS: | 7.1-7.5.1, 7.5.3-7.6.1 |
| Dimensions: | 1.4 x 10.9 x 8.5 3. | Avg. Weight: | 4.2 lbs. |
| Original Price: | $2600 US | Est. Current Price: | N/A |
| Notes: |
1.
With a 32 MB card installed motherboard RAM cannot be
addressed. 2. 9.1" Grayscale active-matrix (4-bit, 16 grays) LCD display. 3. In inches, height x width x depth (while closed). 4. Photo Credit: MacUser Magazine, December 1993. |
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