Hosting and bandwidth provided by MacHost.
![]() |
The Mactell PowerJolt G3 300/512k (1M) features a 300 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. The Mactell PowerJolt G3 series allows you to "tweak" the backside bus speed and ratio for maximum performance by using DIP switches. |
| Introduction Date: | April 6, 1998 | Discontinued Date: | April 15, 1999 1. |
| Processor Type: | PowerPC 750 (G3) | Processor Speed: | 300 MHz |
| Card Type: | Daughtercard | Speed Control: | Variable 2. |
| Relative Speed Boost: | N/A | FPU (Integrated): | PowerPC 750 (G3) |
| Backside Bus Speed: | 150, 200, 300 MHz 3. | 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. 4. | Supported MacOS: | 8.0-9.0 5. |
| Dimensions: | 6.7 x 3.8 6. | Avg. Weight: | N/A |
| Original Price: | $950, $1200, $1800 | Est. Current Price: | N/A |
| Notes: |
1.
The configurations w/ 1 MB of backside cache were
discontinued earlier. 2. Backside bus speed and ratio can be changed, possibly improving speed. 3. 150 MHz bus with 512k of backside cache, 200 or 300 MHz with 1 MB. 4. Includes Power Mac 7300-7600, 8500-9600, Power PCI, Umax S900. 5. Apple provides no official support for third-party upgrade cards. 6. In inches, width x depth. 7. Photo Credit: Mactell. |
||
Home: Mac-Compatible Upgrade Cards: By Manufacturer: Mactell: PowerJolt G3 300/512k (1M) Specs
EveryMac.com is provided "as is" without warranty of any kind whatsoever. EveryMac.com, and the author thereof, shall not be held responsible or liable, under any circumstances, for any damages resulting from the use or inability to use the information within. For complete disclaimer and copyright information please read and understand the Terms of Use and the Privacy Policy before using EveryMac.com. Use of any content or images without expressed permission is not allowed, although links to any page are welcomed and appreciated.