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Mac-Compatible Upgrade Cards: XLR8: MACh Speed G3 300 Specs
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The XLR8 MACh Speed G3 300 features a 300 MHz PowerPC 750 (G3) processor with either 512k of backside cache on a 120 MHz bus (2.5:1) or 1MB of backside cache on a 200 MHz bus (1.5:1). The card plugs into the daughtercard slot, replacing the original daughtercard. The MACh Speed G3 series allows you to "tweak" the backside bus speed and ratio for maximum performance by using either DIP switches or a dial. |
| Introduction Date: | July 7, 1998 | Discontinued Date: | September 1, 2000 |
| Processor Type: | PowerPC 750 (G3) | Processor Speed: | 300 MHz |
| Card Type: | Daughtercard | Speed Control: | Variable 1. |
| Relative Speed Boost: | 500-650% 2. | FPU (Integrated): | PowerPC 750 (G3) |
| Backside Bus Speed: | 120, 200 MHz | Data Path: | 64-bit |
| Level 1 Cache: | 64k | Level 2 Cache: | 512k, 1MB (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. 3. | Supported MacOS: | 8.0-9.0 4. |
| Dimensions: | 6.7 x 3.8 5. | Avg. Weight: | N/A |
| Original Price: | $1450, $1650 US | Est. Current Price: | N/A |
| Notes: |
1.
Backside bus speed and ratio can be changed, possibly
improving speed. 2. Maximum speed boost as provided by manufacturer. 3. Includes Power Mac 7300-7600, 8500-9600, Power PCI, Umax S900. 4. Apple provides no official support for third-party upgrade cards. 5. In inches, width x depth. 6. Photo Credit: XLR8. |
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