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Mac-Compatible Upgrade Cards: Bottom Line: RailGun G3 250 Specs
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The Bottom Line RailGun G3 250 features a 250 MHz PowerPC 750 (G3) processor with either 512k or 1 MB of backside cache. The card plugs into the daughtercard slot, replacing the original daughtercard. All cards in the Bottom Line RailGun series have switches to adjust the backside bus speed and ratio for optimum performance. |
| Introduction Date: | March 1, 1998 | Discontinued Date: | December 31, 1999 |
| Processor Type: | PowerPC 750 (G3) | Processor Speed: | 250 MHz |
| Card Type: | Daughtercard | Speed Control: | Variable 1. |
| Relative Speed Boost: | N/A | FPU (Integrated): | PowerPC 750 (G3) |
| Backside Bus Speed: | 125/250 MHz (2:1/1:1) | Data Path: | 64-bit |
| Level 1 Cache: | 64k | Level 2 Cache: | 512k, 1 MB (backside) |
| RAM Type: | N/A | VRAM Type: | N/A |
| Standard RAM: | N/A | Maximum RAM: | N/A |
| Onboard RAM: | None | RAM Slots: | N/A |
| Standard VRAM: | N/A | Maximum VRAM: | N/A |
| Supported Systems: | PM 7300, 7500, et al. 2. | Supported MacOS: | 8.0-9.0 3. |
| Dimensions: | 6.7 x 3.8 4. | Avg. Weight: | N/A |
| Original Price: | N/A | Est. Current Price: | N/A |
| Notes: |
1.
Backside bus speed and ratio can be changed, possibly
improving speed. 2. Includes Power Mac 7300-7600, 8500-9600, Power PCI, Umax S900. 3. Apple provides no official support for third-party upgrade cards. 4. In inches, width x depth. 5. Photo Credit: Bottom Line. |
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