![]() ATi cards perform slightly worse on the Mac platform as a result (it takes time to 'byte swap'). ![]() So, Mac drivers usually have to change data from Big-endian to little-endian before giving it to the card. ![]() and because of the larger x86 installed base, cards are designed to be little-endian. Mac Pro (Late 2013) Dual AMD FirePro D300 Dual AMD FirePro D500 Dual AMD FirePro D700 Mac Pro (Mid 2010) and Mac Pro (Mid 2012) ATI Radeon HD 5770 ATI Radeon HD 5870 Learn about graphics cards supported in macOS 10.14 Mojave on Mac Pro (2010) and Mac Pro (Mid 2012). The PPC is Big-endian, the x86 little-endian. Little-endian was easier to work with when going from 8-bit to 16-bit chips (Reading from memory was easier to implement from existing design).īyte-swapping is changing from Big-endian to little-endian or the other way around.įlashing firmware is taking new software, and putting it into the erasable ROM (usually a FLASH ROM, hence the term 'flashing'). Big-endian systems are easier to debug manually (it reads like a series of normal numbers), while little-endian systems are there from older design like the x86 and 68k (it takes more time to read through numbers, as chunks are 'out of order' in left->right languages). Endian-ness refers to how the 4 bytes (or 8 in the case of the G5) of a value are organized in memory.
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