Radius Thunder GT

Physical Specs and Compatibility

The Radius Thunder GT card is a 7" NuBus card compatible with 68K- and PowerPC-based Macs running up to Mac OS 8.1. It may be compatible with higher versions of the Mac OS but no information for Mac OS 8.5-8.6 is available at this time, and it's doubtful that the card is compatible with Mac OS 9.

Acceleration/Resolution/Color Support

The card provides standard QuickDraw acceleration as well support for an optional daughterboard, which turns the Thunder GT into a Thunder IV GX series. The Thunder GT (without optional DSP card) supports the following resolutions in 24-bit color:

640 x 480
832 x 624
1024 x 768 at 75 Hz
1152 x 870

In addition, it supports the following resolutions in 8-bit color:

1152 x 882
1360x1024
1600x1200

Software

Links to Radius and SuperMac software on Gamba's site.
QuickColor 3.3 (part of RadiusWare 3.3) works fine under any Mac OS up to and including Mac OS 9.1.
Dynamic Desktop crashes the Mac OS at startup when installed on Mac OS 8.6 or higher. SwitchRes (shareware) works to change resolutions instead.

Other Notes

Optional daughterboard is incompatible with Mac OS versions over 7.5.5 according to Radius. QuickDraw acceleration remains compatible.

Other Resources

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