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The Apple Macintosh IIsi features a 20 MHz 68030 processor, 1 MB or 5 MB of RAM, and a 40 MB or an 80 MB hard drive in a compact, easy-to-expand desktop case. Basically, the Macintosh IIsi is a scaled-down version of the Macintosh IIci, in a smaller, sleeker case with fewer expansion options. The Macintosh IIsi was also the first Mac to support built-in recording capabilities, an option that the IIci lacks.
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| Introduction Date: | October 15, 1990 | Discontinued Date: | March 15, 1993 |
| Processor Type: | 68030 | Processor Speed: | 20 MHz |
| Processor Upgrade: | N/A 1. | FPU: | 68882 (optional) |
| System Bus Speed: | 20 MHz | Lookaside Bus Speed: | N/A |
| ROM Size: | 512k | Data Path: | 32-bit |
| Level 1 Cache: | 0.5k | Level 2 Cache: | N/A |
| RAM Type: | 100 ns 30-pin SIMM | VRAM Type: | Dedicated DRAM 2. |
| Standard RAM: | 1 MB, 5 MB | Maximum RAM: | 65 MB |
| Motherboard RAM: | 1 MB | RAM Slots: | 4 (group of 4) |
| Standard VRAM: | 64k-320k 2. | Maximum VRAM: | 64k-320k 2. |
| Standard Hard Drive: | 40 MB, 80 MB | Int. Hard Drive Type: | SCSI |
| Standard CD-ROM: | N/A | Standard Disk: | 1.44 MB (auto) |
| Standard Modem: | N/A | Standard Ethernet: | N/A |
| Case Type: | Desktop | Form Factor: | Macintosh IIsi |
| Exp. Slots: | NuBus or PDS 3. | Exp. Bays (Free): | None |
| Battery Type: | 3.6V Lithium | Battery Life: | N/A |
| Built-in Display: | N/A | Supported MacOS: | 6.0.7-7.5.1,7.5.3-7.6.1 |
| Dimensions: | 4.0 x 12.4 x 14.9 4. | Avg. Weight: | 10.0 lbs. |
| Original Price: | $3770, $4570 US | Est. Current Price: | N/A 5. |
| Notes: |
1.
Third-party upgrades and accelerators are available. 2. 64k-320k of the system RAM is dedicated to video function. 3. Apple NuBus adapter card also provides FPU. 4. In inches, height x width x depth. 5. As a collector's item it may retain value. 6. Photo Credit: MacUser Magazine (Dec. 1990). |
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